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For the Inventor, By the Inventor

Osaka, Japan

Onkyo Corporation


USPTO Granted Patents = 183



Trademarks = 12

Forward Citations = 658

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157 inventors (with patents filed for the assignee):

goldMedal Mamoru Sekiya (16 out of 16 patents)

silverMedal Yoshinori Nakanishi (15 out of 16 patents)

bronzeMedal Tsuyoshi Kawaguchi (12 out of 13 patents)

4.  Tadaharu Sunaga (12 out of 13 patents)

5.  Kazunari Ito (11 out of 11 patents)

6.  Susumu Takemura (11 out of 11 patents)

7.  Takeshi Fujitani (10 out of 10 patents)

8.  Toshinobu Sano (10 out of 10 patents)

9.  Hiroyuki Fukuma (9 out of 10 patents)

10.  Norimasa Kitagawa (8 out of 8 patents)

11.  Youichi Kudoh (8 out of 8 patents)

12.  Sadatoshi Hisamoto (8 out of 8 patents)

13.  Koichi Sadaie (8 out of 9 patents)

14.  Yasushi Ikeda (8 out of 8 patents)

15.  Yushi Ono (7 out of 7 patents)


Core Competencies:
Speaker Device
Audio Processing Device
Diaphragm Manufacturing
Wireless Communication
Vibrator Technology
Amplifier Design
Headphone Innovation
Sound Field Control
Music Reproducing
Firmware Update
Signal Processing
Digital Audio

183 patents:

1. 11277684 - Diffuser (2022-03-15),
2. 10999662 - Speaker device (2021-05-04),
3. 10897673 - Diaphragm, speaker unit using same, headphones, and earphones (2021-01-19),
4. 10882075 - Vibrator (2021-01-05),
5. 10805735 - Diaphragm, speaker unit using same, headphone and earphone, and diaphragm manufacturing method (2020-10-13),
6. 10805732 - Diaphragm or dust cap and speaker unit (2020-10-13),
7. D891401 - Earphone (2020-07-28),
8. 10713032 - Firmware update system, server, and electronic device (2020-07-14),
9. 10602274 - Audio input/output device (2020-03-24),
10. 10593499 - Relay drive circuit with a current mirror circuit (2020-03-17),
11. 10575079 - Speaker device (2020-02-25),
12. 10567881 - Vibrator and elastic coupling member forming same (2020-02-18),
13. D875064 - Amplifier rear face (2020-02-11),
14. 10560785 - Electronic device (2020-02-11),
15. 10496197 - Electronic device (2019-12-03),
Onkyo Corporation is a leading manufacturer of high-quality audio and home entertainment products. With over 70 years of experience, the company is renowned for its commitment to delivering superior sound performance and innovative technology. Onkyo's product range includes receivers, amplifiers, speakers, headphones, and other audio components, designed to enhance the audio experience for both home and personal use. With its passion for audio excellence, Onkyo has established a strong reputation among audiophiles and home theater enthusiasts worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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183 Patents

#77 in Osaka

#731 in Japan

#4,439 in the World

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Osaka, Japan

Onkyo Corporation

Forward Citations = 658

157 inventors:

goldMedal Mamoru Sekiya (16 out of 16 patents)

silverMedal Yoshinori Nakanishi (15 out of 16 patents)

bronzeMedal Tsuyoshi Kawaguchi (12 out of 13 patents)

4.  Tadaharu Sunaga (12 out of 13 patents)

5.  Kazunari Ito (11 out of 11 patents)

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