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For the Inventor, By the Inventor

Osaka, Japan

Onkyo Corporation


USPTO Granted Patents = 184

% Expired Patents = 71.7



Trademarks = 7

Forward Citations = 686

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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
Amplifier
Earphone
Audio Processing
Music Reproducing Device
Vibrator
Firmware Update
Signal Modulation
Sound Field Control
Thermal Protection Circuit
Wireless Communication

184 patents:

1. 12514531 - Stethoscope (2026-01-06),
2. 11277684 - Diffuser (2022-03-15),
3. 10999662 - Speaker device (2021-05-04),
4. 10897673 - Diaphragm, speaker unit using same, headphones, and earphones (2021-01-19),
5. 10882075 - Vibrator (2021-01-05),
6. 10805735 - Diaphragm, speaker unit using same, headphone and earphone, and diaphragm manufacturing method (2020-10-13),
7. 10805732 - Diaphragm or dust cap and speaker unit (2020-10-13),
8. D891401 - Earphone (2020-07-28),
9. 10713032 - Firmware update system, server, and electronic device (2020-07-14),
10. 10602274 - Audio input/output device (2020-03-24),
11. 10593499 - Relay drive circuit with a current mirror circuit (2020-03-17),
12. 10575079 - Speaker device (2020-02-25),
13. 10567881 - Vibrator and elastic coupling member forming same (2020-02-18),
14. D875064 - Amplifier rear face (2020-02-11),
15. 10560785 - Electronic device (2020-02-11),
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 - Sep 15 2026

Onkyo Corporation
184 Patents

#81 in Osaka

#752 in Japan

#4,542 in the World

Osaka, JP
Osaka, Japan

Onkyo Corporation

Forward Citations = 686

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)

Please report any incorrect information to [email protected]
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