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For these companies How to use Partners structure Since our founding in 1946, we have been a manufacturer specializing in audio design, incorporating the sensory perception into our technology, rather than relying solely on measuring instruments for evaluation. We are working with Tokyo University of Agriculture on research into the effects of musical vibrations on yeast under the theme of "applying audio design, which enhances the purity of reproduction and musical expression through physical correctness, to food products and using the natural power of music to bring out the full potential of the ingredients. We are currently working with Tokyo University of Agriculture to elucidate the effects of musical vibrations on yeast. Under the slogan of "Matured by Onkyo," we will continue to offer value-added proposals in many fields in the future, in pursuit of optimal music vibration and taste for each environment. Kashinshu Special Page Music Food Catalog An emotional experience of food created by sound The power of music brings out even more flavor in food products. music food Companies that makefermented foods such as sake and soy sauce Companies that make fermented foods suchas sake and soy sauce Seeking a better taste of their products Seeking a better taste of their products We want to differentiate ourselves from our competitors. We want to differentiate ourselves from our competitors. I want to increase sales per customer. I want to increase sales per customer. I want to try sustainable methods. I want to try sustainable methods. For these companies For these companies As a limited time and quantity item Because it is difficult to mass-produce music food, it is suitable for limited-time and limited-quantity sales due to its increased scarcity value. set of drinks to compare The taste changes between unshaken and shaken, and even non-professionals can tell the difference! We recommend you to try the set to compare the different flavors of the different songs. As a special edition of a standard product As a special version of a standard product. Use as a commercial product when you want to rejuvenate your customers or expand your target audience. How to use Vibration Mechanism Shaking of fermentation barrels Plants and yeast do not have ears, so they cannot hear music as humans do. The Music Food Service delivers music as a wavelength "excitation" to the object to affect its growth. We will design and vibrate the equipment for your chosen brewing tanks (enamel or other vibration-transmitting equipment). The equipment can be rented free of charge. Difference between excitation and speaker Normal speakers produce sound by vibrating a diaphragm, which is not suitable for use in water or humid environments. Shakers generate sound by vibrating panels and other materials, so they can be installed and sounded even in spaces that need to be waterproof and airtight. Even in large brewing tanks where alcoholic beverages are fermented, vibrations can be applied to the entire tank. We are continuing to study the effects of musical vibration on yeast from a scientific standpoint through joint research with Tokyo University of Agriculture. Vibration Mechanism evidence evidence We are conducting scientific verification and research on the possibility of "music brewing". 2023] Analysis of Fermentation Process of Sake Brewing under Shaking Conditions Yoshiki Asai1 , Hiroaki Negoro1 , Hiroki Ishida1 , Norimasa Kitagawa2 , Koichi Sadaie2 (1Gekkeikan Co.) 2023 Annual Meeting of the Japanese Society of Brewing Science and Technology (organized by the Brewers Association of Japan and the Japanese Society of Brewing Science and Technology) For more details, click here . We are conducting scientific verification and research on the possibility of "music brewing". 2023] Analysis of Fermentation Process of Sake Brewing under Shaking Conditions Yoshiki Asai1 , Hiroaki Negoro1 , Hiroki Ishida1 , Norimasa Kitagawa2 , Koichi Sadaie2 (1Gekkeikan Co.) 2023 Annual Meeting of the Japanese Society of Brewing Science and Technology (organized by the Brewers Association of Japan and the Japanese Society of Brewing Science and Technology) For more details, click here . evidence evidence We are conducting scientific verification and research on the possibility of "music brewing". 2023] Analysis of Fermentation Process of Sake Brewing under Shaking Conditions Yoshiki Asai1 , Hiroaki Negoro1 , Hiroki Ishida1 , Norimasa Kitagawa2 , Koichi Sadaie2 (1Gekkeikan Co.) 2023 Annual Meeting of the Japanese Society of Brewing Science and Technology (organized by the Brewers Association of Japan and the Japanese Society of Brewing Science and Technology) For more details, click here . evidence We are conducting scientific verification and research on the possibility of "music brewing". 2023] Analysis of Fermentation Process of Sake Brewing under Shaking Conditions Yoshiki Asai1 , Hiroaki Negoro1 , Hiroki Ishida1 , Norimasa Kitagawa2 , Koichi Sadaie2 (1Gekkeikan Co.) 2023 Annual Meeting of the Japanese Society of Brewing Science and Technology (organized by the Brewers Association of Japan and the Japanese Society of Brewing Science and Technology) For more details, click here . evidence We are conducting scientific verification and research on the possibility of "music brewing". 2023] Analysis of Fermentation Process of Sake Brewing under Shaking Conditions Yoshiki Asai1 , Hiroaki Negoro1 , Hiroki Ishida1 , Norimasa Kitagawa2 , Koichi Sadaie2 (1Gekkeikan Co.) 2023 Annual Meeting of the Japanese Society of Brewing Science and Technology (organized by the Brewers Association of Japan and the Japanese Society of Brewing Science and Technology) For more details, click here . We are conducting scientific verification and research on the possibility of "music brewing". 2023] Analysis of Fermentation Process of Sake Brewing under Shaking Conditions Yoshiki Asai1 , Hiroaki Negoro1 , Hiroki Ishida1 , Norimasa Kitagawa2 , Koichi Sadaie2 (1Gekkeikan Co.) 2023 Annual Meeting of the Japanese Society of Brewing Science and Technology (organized by the Brewers Association of Japan and the Japanese Society of Brewing Science and Technology) For more details, click here . evidence evidence We are conducting scientific verification and research on the possibility of "music brewing". 2023] Analysis of Fermentation Process of Sake Brewing under Shaking Conditions Yoshiki Asai1 , Hiroaki Negoro1 , Hiroki Ishida1 , Norimasa Kitagawa2 , Koichi Sadaie2 (1Gekkeikan Co.) 2023 Annual Meeting of the Japanese Society of Brewing Science and Technology (organized by the Brewers Association of Japan and the Japanese Society of Brewing Science and Technology) For more details, click here . Introduction of Kashinshu What's Kashinshu? Partners Music Foods serves a wide variety of companies. evidence evidence evidence evidence Plants and yeast do not have ears, so they cannot hear music as humans do. The Music Food Service delivers music as a wavelength "excitation" to the object to affect its growth. We will design and vibrate the equipment for your chosen brewing tanks (enamel or other vibration-transmitting equipment). The equipment can be rented free of charge. Plants and yeast do not have ears, so they cannot hear music as humans do. The Music Food Service delivers music as a wavelength "excitation" to the object to affect its growth. We will design and vibrate the equipment for your chosen brewing tanks (enamel or other vibration-transmitting equipment). The equipment can be rented free of charge. Plants and yeast do not have ears, so they cannot hear music as humans do. The Music Food Service delivers music as a wavelength "excitation" to the object to affect its growth. We will design and vibrate the equipment for your chosen brewing tanks (enamel or other vibration-transmitting equipment). The equipment can be rented free of charge. Partners Music Foods serves a wide variety of companies. Partners Music Foods serves a wide variety of companies. Since our founding in 1946, we have been a manufacturer specializing in audio design, incorporating the sensory perception into our technology, rather than relying solely on measuring instruments for evaluation. We are working with Tokyo University of Agriculture on research into the effects of musical vibrations on yeast under the theme of "applying audio design, which enhances the purity of reproduction and musical expression through physical correctness, to food products and using the natural power of music to bring out the full potential of the ingredients. We are currently working with Tokyo University of Agriculture to elucidate the effects of musical vibrations on yeast. Under the slogan of "Matured by Onkyo," we will continue to offer value-added proposals in many fields in the future, in pursuit of optimal music vibration and taste for each environment. Kashinshu Special Page Music Food Catalog An emotional experience of food created by sound The power of music brings out even more flavor in food products. music food Plants and yeast do not have ears, so they cannot hear music as humans do. The Music Food Service delivers music as a wavelength "excitation" to the object to affect its growth. We will design and vibrate the equipment for your chosen brewing tanks (enamel or other vibration-transmitting equipment). The equipment can be rented free of charge. Plants and yeast do not have ears, so they cannot hear music as humans do. The Music Food Service delivers music as a wavelength "excitation" to the object to affect its growth. We will design and vibrate the equipment for your chosen brewing tanks (enamel or other vibration-transmitting equipment). The equipment can be rented free of charge. Plants and yeast do not have ears, so they cannot hear music as humans do. The Music Food Service delivers music as a wavelength "excitation" to the object to affect its growth. We will design and vibrate the equipment for your chosen brewing tanks (enamel or other vibration-transmitting equipment). The equipment can be rented free of charge.

We think freely like music, create value with sounds that are enjoyable, and solve social issues with sounds that are useful. Business Overview Change the world with sound Business Overview Business Overview An example of business for consumers: hearing aid OHS-D31 OHS-D21 OHS-EH21 Shipping units of "ONKYO" brand digital hearing aids exceeded total 200,000 units in January 2025. Click here to business introduction of health care and medical care An example of business for consumers: hearing aid Shipping units of "ONKYO" brand digital hearing aids exceeded total 200,000 units in January 2025. Click here to business introduction of health care and medical care OHS-D31 OHS-D21 OHS-EH21 Business direction We are circulating the cycle to license our technologies that are created by our R&D and to invest our profit that is generated by the license to our R&D. Further, we are strengthening our licensing business by increasing exposing of Onkyo brand and increasing Onkyo brand value. In addition, it is the material for our decision of our R&D direction to feed back market trend to our R&D. Under our slogan "change the world with sound", we are advancing our R&D by extending "sound" technologies that have been developed over years as a long-established audio maker to medical care, food, infrastructure and industry and performing marketing for increasing Onkyo brand degree of recognition with our entire company. Business direction We are circulating the cycle to license our technologies that are created by our R&D and to invest our profit that is generated by the license to our R&D. Further, we are strengthening our licensing business by increasing exposing of Onkyo brand and increasing Onkyo brand value. In addition, it is the material for our decision of our R&D direction to feed back market trend to our R&D. Under our slogan "change the world with sound", we are advancing our R&D by extending "sound" technologies that have been developed over years as a long-established audio maker to medical care, food, infrastructure and industry and performing marketing for increasing Onkyo brand degree of recognition with our entire company. Click here to business introduction of health care and medical care Business direction Click here to business introduction of health care and medical care We are circulating the cycle to license our technologies that are created by our R&D and to invest our profit that is generated by the license to our R&D. Further, we are strengthening our licensing business by increasing exposing of Onkyo brand and increasing Onkyo brand value. In addition, it is the material for our decision of our R&D direction to feed back market trend to our R&D. Under our slogan "change the world with sound", we are advancing our R&D by extending "sound" technologies that have been developed over years as a long-established audio maker to medical care, food, infrastructure and industry and performing marketing for increasing Onkyo brand degree of recognition with our entire company. R&D Under our slogan "change the world with sound", we are broadening our technologies relating to sound and vibration to the world. We are filing patent applications so that inventions created from R&D are patented, profits are generated from patents and we invest generated profits to R&D. Medical care Infrastructure Food Industry Medical care Aiming the acoustic biomarker that is involved in diagnosis by sound and vibration We obtain biological sound precisely and easily by technologies relating to sound and vibration that have been developed in connection with audio, help diagnosis in medical care by combining biological sound with AI and aim “acoustic biomarker” that is involved in diagnosis by sound and vibration. Digital stethoscope We are performing R&D of the digital stethoscope so as to aim using in the online medical treatment. *Proto type of developing digital stethoscope *Future image to use the digital stethoscope It is estimated to upload biological sound recorded by using the digital stethoscope at home to the DB on the cloud, to be diagnosed by the doctor based on uploaded biological sound and to alert for seeing the doctor by AI. We performed joint R&D of the digital stethoscope for remote medical care with Kanazawa Medical University and KOCHI UNIVERSITY OF TECHNOLOGY. We filed three patent applications regarding inventions that were created in process of joint R&D. ・JP2021-120549 Stethoscope and stethoscope system ・JP2022-051404 Stethoscope and stethoscope system ・JP2022-051405 Stethoscope and stethoscope system Joint R&D with Kanazawa Medical University and KOCHI UNIVERSITY OF TECHNOLOGY Patent applications / Patent rights (as of December 2025) Japan • JP7518357 Stethoscope system, stethoscope and method • JP7662932 Stethoscope system, stethoscope and method • JP7747965 Stethoscope system and stethoscope • JP2022-021976 Stethoscope • JP2022-116832 System and method • JP2022-129826 Electronic device • JP2022-139018 Stethoscope • JP2022-209443 Electronic device • JP2022-129826 Electronic device • JP2022-139018 Stethoscope • JP2022-209443 Electronic device Japan • JP7518357 Stethoscope system, stethoscope and method • JP7662932 Stethoscope system, stethoscope and method • JP7747965 Stethoscope system and stethoscope • JP2022-021976 Stethoscope • JP2022-116832 System and method United States • US18/108586 Stethoscope • US18/125760 Stethoscope • US18/230209 Electronic device China • 202310138421.X Stethoscope • 202311034448.0 Electronic device Application using bowel sound (Gut note) Application using bowel sound (Gut Note) We performed R&D support of the application using bowel sound "Gut note". Suntory Global Innovation Center Ltd. developed "Gut note" that measures and evaluates bowel sound and suggests gut activity. Application using bowel sound (Gut note) Application using bowel sound (Gut note) ”Gut note” is the unprecedented application that suggests gut activity based on bowel sound recorded by the smartphone. “Gut note“ that was being developed at that time was exhibited to CES 2023 that was held on January 2023 at Las Vegas, US and prized for “CES 2023 Innovation Awards” that prizes products and services that should be paid attention from exhibitions that year. Credit to indicate that we performed R&D support is displayed in “Gut note”. In R&D of “Gut note”, we are supporting effective bowel sound obtaining method and AI analysis and evaluation of obtaining biological sound. Voice recognition engine (Onkyo SPEECH) We are performing R&D of voice recognition engine as our goal to use it as the acoustic biomarker. Thesis (as of January 2024) [2021] O-COCOSDA 2021 Best Paper AwardNobuya Tachimori (Onkyo Corporation, Japan)，Sakriani Sakti and Satoshi Nakamura(Nara Institute of Science and Technology, Japan)MULTI-ENCODER SEQUENTIAL ATTENTION NETWORK FOR CONTEXT-AWARE SPEECH RECOGNITION IN JAPANESE DIALOG CONVERSATION https://ieeexplore.ieee.org/document/9660580 Patent applications / Patent rights (as of December 2025) Japan • JP7776742 Voice recognition system and voice recognition method • JP2022-198287 Voice recognition system and voice recognition method • JP2022-198288 Voice recognition system and voice recognition method • JP2023-108240 Voice recognition system and voice recognition method Voice recognition engine (Onkyo SPEECH) Click here to business introduction of health care and medical care Click here to business introduction of Onkyo SPEECH Food Being involved in daily life of consumers in sound and vibration and food We are aiming that we are involved in daily life of the consumers by using technologies relating sound and vibration to food that is consumed every day. In our activity, we are performing R&D with universities and companies that have knowledge of food. Kashinshu (Matured alcohol by music vibration) We are progressing R&D regarding influence music vibration with the following theme. The theme is to increase reproduction purity by physical accuracy, to apply audio design that brings out music expressiveness to food and to bring out potential of material by using natural power that is had by music. Publishing pursuit of appropriate music vibration corresponding to each environment and taste as “Matured by Onkyo”, we are performing our R&D. Click here to business introduction of health care and medical care Joint R&D with Tokyo University of Agriculture Regarding fermentation mechanism, we concluded the agreement relating to joint R&D with Tokyo University of Agriculture and are performing joint R&D of fermentation technology as we announced “R&D of fermentation technology using vibration and sound by exciter -starting joint R&D relating to “food” with Tokyo University of Agriculture-” dated on July 1, 2020. With professor: Hiroharu Tokuda, Department of Brewing and Fermentation, Tokyo University of Agriculture (as of January 2024), we are attempting to reveal effective how to provide the exciter, how to vibrate and influence that is given to fungus increasing, flavor component and various organic acids by differences of sound frequency bands. Professor: Hiroharu Tokuda Department of Brewing and Fermentation Tokyo University of Agriculture Profile: http://dbs.nodai.ac.jp/html/397_ja.html Tokyo University of Agriculture: https://www.nodai.ac.jp/ Professor: Hiroharu Tokuda Department of Brewing and Fermentation Tokyo University of Agriculture Joint R&D with Gekkeikan Sake Company, Limited We performed inspection regarding possibility to mature sake by music based on joint R&D with Research Institute, Gekkeikan Sake Company, Limited and revealed that specific sound wave influences increasing and decreasing fermentation component by performing analysis of fermentation process under acoustic vibration condition. We announced this R&D result under the title of “analysis of fermentation process of sake brewing under vibration” at “2023 contest of Brewing Society of Japan” on October 4, 2023. Thesis (as of January 2024) Analysis of fermentation process of brewing sake under vibration condition Yoshiki Asai1, Hiroaki Negoro1, Hiroki Ishida1, Norimasa Kitagawa, Koichi Sadaie (1 Gekkeikan Sake Company, Limited, 2 Onkyo Corporation) 2023 Contest of the Brewing Society of Japan (Organizer: Brewing Society of Japan) Patent applications / Patent rights (as of December 2025) Japan • JP7620208 System, method, manufacturing method, food and sake • JP7698211 System, method, manufacturing method, food and sake • JP2022-159405 Not published • JP2023-161797 Device, manufacturing device of sake, food and sake • JP2023-202775 Manufacturing method of macerated liquor, manufacturing device of macerated liquor and macerated liquor • JP2023-217484 Manufacturing method of macerated liquor and macerated liquor Fermented food Fermented food We are performing our R&D of influence by vibration regarding fermented foods such as butter and say sauce. We filed patent application regarding the result of our R&D of butter. Plant We concluded the agreement relating to joint R&D with NARA INSTITUTE and SCIENCE and TECHNOLOGY and performed joint R&D of plant growth environment using vibration and sound by the exciter. Joint R&D with NARA INSTITUTE of SCIENCE and TECHNOLOGY In this joint R&D, we performed R&D regarding influence that stress using the exciter gives to growth process of seedling body (Arabidopsis thalina). We attempted to reveal change of gene expression in growth of seeding body by giving different vibration signals. Shiitake mushroom We concluded the agreement relating to Joint R&D with NIPPON INSTITUTE OF TECHNOLOGY (NIT) and performed joint R&D regarding growth promotion technology of shiitake mushroom using vibration and sound by the exciter. Joint R&D with Nippon Institute of Technology In this joint R&D, our purpose is to realize controlling growth of shiitake mushroom by vibration and sound. Concretely, in R&D of shiitake mushroom growth promotion technology by thunder sound that was progressed by NIT, we provided knowledge and technology relating to sound and vibration that were had by us and the purpose is to realize controlling growth in the view of sound and vibration. Click here to business introduction of "Music food" Infrastructure Existence value with sound and vibration in social activity Sound and vibration exist everywhere such as a road, a bridge, and a car. Our goal is to show our value in social activity by sensing sound and vibration in various places and detecting abnormal including deterioration and natural disaster from sound and vibration. Traffic volume investigation We are performing R&D to obtain road vibration when vehicle and pedestrian pass by using the vibration sensor that has little influence to privacy, to perform machine learning and deep learning of vibration signal and to judge passing. *Vibration sensor "Ototorukun" Adopted R&D 2022 / 2023 New road technology conference Road bureau, Ministry of Land, Infrastructure, Transport and Tourism FS (Feasibility Study) research for realizing road administration needs Research theme Technology research and development using vibration sensor for easily realizing measurement of traffic flow (vehicle and pedestrian) Thesis (as of January 2024) 2019 〇Japan Consideration of indoor traffic flow of human by vibration using multiple piezoelectric elements Shinya Akiyama, Makoto Yoshida, Yumiko Moriyama, Yusuke Kondo (Onkyo) Hirohiko Suwa, Keiichi Yasumoto (NAIST) DPSWS 27th multimedia communication and dispersion processing workshop (DPSWS2019) Information Processing Society of Japan • JP2020-114660 Sensor • JP2022-161162 Not published • JP2022-001969 Moving body detection system and moving body detection method • JP2021-195538 Trigger device, system and method • JP2022-194554 Not published Japan • JP2021-178421 Electronic device and method • JP2021-109776 Sensor • JP2021-079409 System and method • JP2021-109777 Sensor and method • JP2021-163990 Detection device and detection method •JP2021-178422 System and method • JP2022-067620 Sensor • JP2023-001768 Not published • JP2023-173324 Not published • JP2023-128073 Not published Japan • JP2020-114660 Sensor • JP2021-079409 System and method • JP2021-109776 Sensor • JP2021-109777 Sensor and method • JP2021-163990 Detection device and detection method • JP2021-178421 Electronic device and method • JP2021-178422 System and method • JP2021-195538 Trigger device and method 2020 〇International Estimation of Walking Direction with Vibration Sensor based on Piezoelectric Device. Shinya Akiyama, Makoto Yoshida and Yumiko Moriyama (Onkyo Corporation, Japan); Hirohiko Suwa and Keiichi Yasumoto (Nara Institute of Science and Technology, Japan). PerLS 2020 : The Fourth International Workshop on Pervasive Smart Living Spaces The Fourth International Workshop on Pervasive Smart Living Spaces | PerLS 2020 – IOTAP (mau.se) 〇Japan Consideration of traffic volume estimation system by vibration sensor provided on road side Makoto Yoshida, Tomoki Okuro, Nobunari Tachimori, Yumiko Moriyama, Yoshitada Takeshima (Onkyo) Hirohiko Suwa (NAIST / RIKEN), Keiichi Yasumoto (NAIST) 2021 〇English thesis journal Traffic Census Sensor Using Vibration Caused by Passing Vehicles Makoto Yoshida, Shinya Akiyama, Yumiko Moriyama, Yoshitada Takeshima, Yusuke Kondo, Hirohiko Suwa, and Keiichi Yasumoto Patent applications / Patent rights (as of December 2025) Japan • JP7522341 Sensor • JP7654326 System and method • JP7730012 Sensor and method • JP2022-001969 Moving body detection system and moving body detection method • JP2022-161162 Moving body detection system and moving body detection method • JP2022-194554 System • JP2023-001768 Vehicle detection system and vehicle detection method • JP2023-128073 Moving body detection system and moving body detection method • JP2023-173324 The number of axle shafts detection system and the number of axle shafts detection method Japan • JP2020-114660 Sensor • JP2021-079409 System and method • JP2021-109776 Sensor • JP2021-109777 Sensor and method • JP2021-163990 Detection device and detection method • JP2021-178421 Electronic device and method • JP2021-178422 System and method • JP2021-195538 Trigger method, system and method Analysis of bridge The problem that the bridges age simultaneously and demand of reinforcement and update increase is estimated. We would like to contribute for solving this problem by performing various analysis of the bridges. Cooperation by Kyoto University We are performing "research of structure evaluation using vibration and sound" with Kyoto University. Adopted R&D 2023 Construction technology R&D assistant system of Ministry of Land, Infrastructure and Transport R&D theme R&D of estimation system of vehicle weight and axle load that construction is easy by using acceleration date in bridge Establishment of estimation technology using acceleration data connects to R&D of BWIM (Bridge Weigh in Motion) system that has high portability and easiness. It is expected to apply to reinforcement of various bridges and decision of update priority from large bridge such as highway to small bridge that is managed by local government. Abnormal detection We are performing our R&D for detecting various abnormal such as abnormal of the device. Providing the engine inspection system to Komatsu Ltd. We developed and provided the engine inspection system that diagnoses condition from operation sound of the engine to Komatsu Ltd. by joint R&D with Komatsu. In the engine inspection system developed by us, it makes the learning model that diagnoses condition based on engine operation sound obtained in advance, analyze engine sound obtained by the microphone, diagnoses condition of the engine by the learning model and outputs inspection result. It is possible to perform higher accuracy goods quality inspection by performing diagnosis by using AI not only human ear. Patent applications / Patent rights (as of December 2025) ・JP2021-154121 Abnormal detection device and abnormal detection method Click here to business introduction of traffic volume investigation Automobile We are analyzing noise (example: noise generated by contacting tire and road) by automobile. Analyzation support relating to tire quietness for Sumitomo Rubber Industries, Ltd. We used our sound analyzation technology and supported tire noise analyzation for Sumitomo Rubber. We made tire model, used BEM (Boundary Element Method) and supported noise analyzation. In analyzation, we changed parameters such as tire diameter and width and simulated noise generation situation. Abnormal detection We are performing our R&D for detecting various abnormal such as abnormal of the device. Industry Sound and vibration solution in the life We are performing R&D for the purpose of providing sound and vibration solution in the life and R&D of technologies to be used for technical license. Call center (Onkyo IVR) We are performing our R&D of call center using voice recognition engine developed by us. Call center (Onkyo IVR) Patent applications / Patent rights Technical support against the bone conduction glasses developed by TDK Corporation Technical support against the bone conduction glasses developed by TDK corporation We performed R&D support of acoustic part of AR (Augmented Reality) glasses developed by TDK Corporation. We suppose that AR glasses becomes main streaming as next generation interface of the smartwatch such as Apple Watch in the future and focus on the bone conduction system that is appropriate for the glasses type wearable device such as AR glasses and does not block the ear. In R&D of the bone conduction device that is the base of R&D support to TDK, we succeeded downsizing and thinning. Further, we suggested special mechanism that can surely fit to heads of many users and developed smart bone conduction glasses that does not let them feel mounting stress with TDK. In addition, we are concerned with sound leak in the bone conduction system; however, we attempted to suppress sound leak by using our knowledge of sound and vibration technologies. Click here to business introduction of Onkyo IVR Click here to business introduction of Onkyo IVR Click here to business introduction of Onkyo IVR R&D relating to sound R&D relating to sound We are performing R&D so as to further deepen R&D that has supported technologies of audio product and speaker of Onkyo brand. Magnesium diaphragm balanced armature driver (Mg-BA driver) Realizing high quality sound which does not exist conventionally Extending high frequency reproduction by lightweighting vibration system maximumly Reducing noise component preventing sound source reproduction by holding high shock absorbing property and increasing rigidity by special surface processing technology developed newly. It is said that Magnesium is the lightest in operational metal materials. A diaphragm which impregnates ceramic layer into inside of Magnesium material by special surface processing technology and realizes high rigidity is used for Mg-BA driver. High frequency reproduction can be extended, noise components which prevent sound source are decreased by high vibration absorbing property which is specific to material and sounds which are smoother and faithful to original sounds are realized. Mg-BAドライバー Mg-BAドライバー断面図 マグネシウム振動板 Realizing high rigidity by impregnating ceramic layer into inside of Magnesium material. Biomimetics diaphragm “Biomimetics” means applying structure and element which exist in the natural world to industrial products to solve complicated phenomena. For the purpose of “coexisting of light weight and high rigidity” and “resonance dispersion” and realizing these, we considered applying structures and configurations of creatures which survive the natural world to a speaker diaphragm shape. Shape to which “wing vein structure” and “three-dimensional structure of a shell” are applied is applied to a speaker diaphragm. Dragonfly wing vein evolving for flying （JP7299454B2 / US10805732B2） 飛翔動作のため進化した、 トンボの翅脈構造 （特許7299454） Speaker unit using biomimetics diaphragm ODMD (speaker diaphragm) "ODMD" means "Onkyo Double-Molding Diaphragm". A diaphragm, a gasket and an edge are integrated by two-color molding. Features are following. members are welded strongly, joining strength is high and divided vibrations are small. Problem that variation of coating quantity of adhesive does not occur and quality stability is superior. The number of parts and man-hours are decreased. CLUSTRON driver CLUSTRON driver is whole surface driving type unit. Structure that thin and long grating diaphragms are lined in one line and they are driven by connected voice coils is adopted. Although it is a thin speaker, it has wide directionality that "sound field broadens to 180 degrees" and it realizes high energy feeling and flat characteristics over wide frequency. Exciter: Vibtone What is an exciter? Difference between exciter and speaker Patent applications / Patent rights (as of December 2025) (1) Circuit / amplifier Japan • JP5207155 Current / voltage conversion circuit • JP5333520 Amplification circuit • JP7096478 Amplification device • JP7206472 Amplification device etc. (2) Speaker and exciter Japan • JP7185116 Diaphragm or dust cap and speaker unit • JP7299454 Diaphragm or dust cap and speaker unit • JP7397271 Exciter • JP7212264 Diffuser and speaker having thereof and electronic music instrument • JP7323756 Diaphragm, speaker unit, headphone and earphone having thereof • JP7415129 Speaker mounting member, speaker and electronic music instrument having thereof • JP2024-008967 Diaphragm and speaker unit etc. (3) Software Japan • JP5590111 Frequency decision device • JP6160604 ΔΣ modulator and grogram thereof etc. (4) The others • JP6908833 Signal processing device, signal processing method and speaker device • JP6837391 Music reproduction device • JP6789497 Music reproduction device • JP2022-052717 Electronic device • JP2022-175330 Electronic device • JP2024-067859 Electronic device • JP2024-067860 Electronic device etc. Difference between excitation and speaker Exciter Vibtone We are performing R&D so as to further deepen R&D that has supported technologies of audio product and speaker of Onkyo brand. Branding To expand Onkyo brand license and technology license, branding for increasing Onkyo brand recognition is important and we perform actions illustrated in this figure. At our EC site "ONKYO DIRECT" and our stores "ONKYO DIRECT ANIME STORE" and "ONKYO DIRECT ANIME STORE -Lifestyle-", we are selling various collaboration products. ONKYO DIRECT https://onkyodirect.jp/shop/default.aspx ONKYO DIRECT ANIME STORE https://onkyoanime.com/ ONKYO DIRECT ANIME STORE-Lifestyle- https://onkyoanime.com/

We aim to create new value with the unlimited potential of sound, technology, and ideas, and to realize a prosperous future society, We aim to realize a prosperous society of the future by creating new value with the unlimited potential of sound, technology and ideas. What we value is the moment when you can feel happiness. Why don't you join us in creating something that will touch your heart and soul? Click here to enter We create new value with the unlimited potential of sound, technology, and ideas. We aim to create new value and realize a prosperous future society, We aim to create new values and realize a prosperous future society. What we value is the moment when you can feel happiness. Why don't you join us in creating something that will touch your heart and soul? We are, We create new value with the unlimited potential of sound, technology, and ideas. and technology and ideas to create new value We aim to realize a prosperous society of the future and the realization of a prosperous society of the future. What is important to us the moment when we can feel happiness. moments of happiness. Why don't you join us and create something that will touch your heart? Message Internships are We are always accepting applications. For more information, please Please contact us for more information. Internships are available at any time. Please contact us for more information. インターンシップ実績 2023年　夏季　1名　東京工業高等専門学校 　　秋季　1名　北陸先端科学技術大学院大学（留学生） 2024年　春季　2名　東京電機大学 　　　　　　　　　　東海大学 秋季　3名　信州大学大学院 　　　　　　　　　　群馬大学（留学生） 　　　　　　　　　　奈良工業高等専門学校 2025年 冬季　2名　 大阪工業大学大学院 　　　　　　　　　　弘前大学 　 春季 2名　 近畿大学大学院 　　　　　　　　　　東北大学大学院 　 夏季 3名　 愛知工業大学 　　　　　　　　　　 電気通信大学 東京理科大学 　 秋季 2名　 東京電機大学大学院 　　　　　　　　　 愛知工業大学 2026年 冬季　1名 三重大学 2023年 夏季 １名 東京工業高等専門学校 秋季 １名 北陸先端科学技術大学院大学（留学生） 2024年 春季 ２名 東京電機大学 　　　　 東海大学 秋季 3名 信州大学大学院 　　　　 群馬大学（留学生） 奈良工業高等専門学校 2025年 冬季 2名 大阪工業大学大学院 　　　　弘前大学 春季 2名 近畿大学大学院 　　　　東北大学大学院 夏季 3名 愛知工業大学 　　　　電気通信大学 東京理科大学 秋季 2名 東京電機大学大学院 　　　　愛知工業大学 Contact Us Application Guidelines graduate recruitment Mid-career: Software Engineer

Health Care & Medical The "biological sound" visualization technology is expected to be used in the medical field for early detection of diseases, improvement of diagnostic accuracy, optimization of treatment planning, and automation of patient monitoring. Combined with AI, it can also provide physicians with prompt and accurate information. Healthcare and Medical Visualization, Recording, and DB of "Biological Sounds" for More Accurate Medical Treatment Elderly and physically challenged people and those living on remote islands face the problem of lost opportunities for disease detection, as the burden of visiting the hospital reduces the frequency of hospital visits. To solve this problem, Onkyo is supporting activities to help AI Hospital Remote Medical Services. By utilizing Onkyo's biometric sound analysis technology, we aim to establish a system that will enable doctors to quickly and accurately detect abnormalities and diagnose them. Please contact us if you are interested in this project by filling out the inquiry form. We are looking for partners to promote AI hospital and remote treatment Preservation of intestinal condition Physical condition of animals Health Management Support App remote medical examination Visualization of heart/lung sounds core technology By utilizing technologies related to biometric sound visualization and PC/smartphone applications, the development of various medical/healthcare-related services and technologies can be expected. Click here to rent a demo unit. *This technology demo sample is not medically certified. Please note that it cannot be used directly for medical treatment. Almost the same sound quality as an analog stethoscope through tuning with a physician Heart sounds can be recorded with high sound quality even over clothing Easy-to-apply unique 2-channel structure covers a wide area of the body for auscultation. ■ Features Technical demo samples are available for customers considering telemedicine and digital stethoscope-based solutions and services. Digital Stethoscope Technology Demo Samples Available for Rent

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Hearing Aids Frequently Asked Questions Hearing Aids Frequently Asked Questions 自分の聞こえを確認したい You can easily check the status of your "hearing" with the check sheet . 誰でも使用できますか？ This is for people with mild to moderate hearing loss. The degree of "hearing" in daily life and whether or not the following applies to the hearing loss category is a guideline for classification. ■Hearing guidelines 耳鼻科に行かなくても購入できますか？ Available for purchase. If any of the following 8 conditions apply to you, please be sure to see an ENT (hearing aid consultant). If you are purchasing a hearing aid for the first time, we recommend that you see a hearing aid consultant for a hearing aid evaluation prior to purchasing a hearing aid. Have undergone ear surgery. Has had an ear leak in the last 3 months. Has had a hearing loss in the last two months. Sudden increase in tinnitus within the last month. Pain or itching in the ear canal. There is a lot of earwax in the ear canal. The average difference in hearing acuity between right and left is more than 25dB. The results of audiometry show a difference of more than 20 dB between the right and left sides of the mean hearing at 500, 1,000, and 2,000 Hz. そもそも補聴器とはどんなものですか？ Hearing aids assist people with hearing loss in hearing. It functions to process incoming sound to make it easier to hear and to make it louder. Only those hearing aids that meet the criteria of the Pharmaceutical Affairs Law (Law Concerning Quality, Efficacy and Safety Assurance of Drugs and Medical Devices) and are certified by the Ministry of Health, Labour and Welfare are called "hearing aids". 集音器との違いは何ですか？ Hearing aids are medical devices approved by the Ministry of Health, Labour and Welfare, meeting the criteria of the Pharmaceutical Affairs Law (Law Concerning Quality, Efficacy and Safety Assurance of Pharmaceuticals, Medical Devices and Other Products). Hearing aids "increase the volume of sounds that are lacking in accordance with the hearing ability. A sound collector is generally "one that makes all sounds louder. 補聴器はいつから使い始めるといいですか？ There is no clear timing for when to start using hearing aids, but if you notice that you hear back more often or have difficulty hearing sounds from the TV or telephone, your hearing may be deteriorating, and we recommend that you consider hearing aids. 補聴器をつけると何でも聞こえるようになりますか？ Because everyone hears differently, the degree of improvement in hearing with a hearing aid will vary. 補聴器をつけるとすぐ良く聞こえるようになりますか？ When you use a hearing aid for the first time, you will hear many sounds that you did not hear before. This may cause some discomfort, such as being surprised at how loud the sound is, being bothered by noise, hearing other people's voices differently, or hearing your own voice differently. It takes some time to get used to the new sounds you hear in your hearing aids. We recommend that you start with a short period of use in a quiet environment and get used to using your hearing aids in and around your home. 雑音が多いと聞いたことがあるけど本当ですか？ When you use a hearing aid for the first time, you will hear many sounds that you did not hear before. Just as you feel dazzled when you suddenly go from a dark place to a bright place, you will suddenly hear sounds that you did not hear before. At first, you may perceive such sounds as the rustling of newspapers or the clattering of dishes as louder than you expected. 耳あな型と耳かけ型の違いは何ですか？ The in-the-ear type fits snugly in the ear. The earpiece type is used by hanging the hearing aid behind the ear. The earpiece type is popular because it does not get in the way when wearing a mask or glasses. OHS-D21とD31の違いは何ですか？ The size and shape are the same; the D31 is much easier to hear than the D21 because it processes noise by splitting the incoming sound into smaller pieces. The D31 also has a remote control for easy volume control, while the D21's volume can be adjusted using the buttons on the hearing aid itself. OHS-D31とSC1の違いは何ですか？ The size and shape are the same; the D31 is much easier to hear than the D21 because it processes noise by splitting the incoming sound into smaller pieces. The D31 also has a remote control for easy volume control, while the D21's volume can be adjusted using the buttons on the hearing aid itself. 保証期間は何年ですか？ One year after purchase. チャンネルって何ですか？ Think of it as an expression of how finely the sound can be divided and adjusted by frequency. For example, 8 channels means that the frequencies are divided into eight, and noise suppression and volume are adjusted for each of the divided frequencies. As the number of channels increases, the noise and sound quality can be adjusted more finely, which makes it easier to hear. 音量調節はどのようにしますか？ The volume can be adjusted using the volume control buttons on the hearing aid. With the OHS-D31 series hearing aids with remote control, the volume can be easily adjusted at your fingertips using the remote control. OHS-D31のリモコンは左右の補聴器を別々に音量調節できますか？ OHS-D31のリモコンで音量調節しますと、左右の補聴器は同じ動作をします。 左右の補聴器を別の音量設定にしたいときは、補聴器本体の「音量選択ボタン」でそれぞれ「小」「中」「大」から音量を選択したあと、リモコンの「＋」「－」ボタンで音量調節してください。 OHS-SC1のリモコンは左右の補聴器を別々に音量調節ができますか？ OHS-SC1のリモコンで音量調節しますと、左右の補聴器は同じ動作をします。 OHS-SC1は左右の補聴器同士で通信し、同期をするため、左右別々の音量調節はできません。 OHS-D31の「左耳用」「右耳用」を別々に購入した場合、リモコンが2台になります。リモコン1台で左右両方を操作できますか？ 一方のリモコンと左右両方の補聴器を再接続していただくと操作が可能になります。 再接続の方法については、次の動画をご参照ください。 https://www.youtube.com/watch?si=rqOklr0pHbUZOL4-&t=313&v=N_33Eg3xh0A&feature=youtu.be OHS-SC1の「左耳用」「右耳用」を別々に購入した場合、リモコンが2台になります。リモコン1台で左右両方を操作できますか？ 一方のリモコンと左右両方の補聴器を再接続していただくと操作が可能になります。 再接続の方法については、次の動画をご参照ください。 https://youtu.be/fNv4egJShRM?si=zOADFfc-G_F3-I0G&t=296 電池の入手方法や処分方法を教えてください Please contact your dealer for batteries. They are also available at the Onkyo Hearing Aid Support Center. Please dispose of used batteries in accordance with your local government's instructions. 濡れても平気ですか？ Do not get your OHS-D21/OHS-D31 wet. Always remove the hearing aid when taking a bath or shower. Do not leave the hearing aid in damp places such as kitchens or bathrooms. If you drop your hearing aid in water or select it with your clothes, take out the batteries, drain the water well, dry it in the shade and send it in for repair. If the OHS-EH21 is placed in a washing machine or dropped into seawater or sewage, take out the battery, wash it once in fresh water, drain it well, dry it in the shade, and send it in for repair. The OHS-EH21 has obtained a dustproof and waterproof protection rating of IP67. It can be used safely for daily washing, rain, and sweating. However, since it is not completely waterproof, please avoid immersion in liquids, washing, and exposure to high temperature, low temperature, and high humidity for a long period of time. 補聴器をつけたまま電話できますか？ It is possible to make a phone call while wearing a hearing aid. If you do so, you may hear a beeping sound (howling) from the hearing aid if the receiver is placed snugly against your ear. To avoid covering the hearing aid with the handset, place it on your ear so that there is a small space between the handset and the hearing aid. Try to orient the receiver in a way that makes it easier to speak and less likely to cause feedback. 補聴器は両方の耳につけたほうがいいですか？ If your left and right hearing is almost the same, it is recommended that you wear them on both ears. When the left and right hearing is balanced, it is easier to sense the direction of sound, easier to hear in noisy environments, and easier to hear sound in three dimensions. 補聴器のお手入れやメンテナンスは簡単ですか？ Please clean the hearing aid with the brush provided, as clogged earwax can weaken the sound and cause it to malfunction. Moisture can also harm the hearing aid components, so we recommend storing the hearing aid in a drying case (sold separately). 子どもでも使えますか？ If you are considering the use of hearing aids for your child, please consult an ENT physician. 使っているうちに聞こえが悪くなった場合、どうすればよいですか？ Ear wax clogging in the ear canals can cause hearing loss. Use the cleaning brush provided to remove the dirt or, if it cannot be removed, replace the earplugs with new ones. If the problem persists, please contact the Onkyo Hearing Aid Support Center. ハウリング（ピーピー音）が起きることはありますか？また、ハウリングがおきたらどうすればいいですか？ First, don't panic if you hear a beeping sound. The beeping is a sign that your hearing aid is working well. The beeping will stop when the hearing aid fits into your ear without gaps. If the beeping continues, your ear buds may not be the right size. Try a larger size earplug. 補聴器が故障した場合はどうすればいいですか？ If you are experiencing difficulty hearing with your hearing aids, try cleaning the ear wires or replacing the batteries. If the problem persists, please contact the Onkyo Hearing Aid Support Center. If it is determined that repair is necessary, you will be guided through the repair process. 補聴器の購入について、補助金等の公的支援を受けることができますか？ If you are experiencing difficulty hearing with your hearing aids, try cleaning the ear wires or replacing the batteries. If the problem persists, please contact the Onkyo Hearing Aid Support Center. If it is determined that repair is necessary, you will be guided through the repair process. 問い合わせしたい場合はどうすればいいですか？ Please contact the Onkyo Hearing Aid Support Center if you have any problems after purchase, such as how to use the product.

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