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For the Inventor, By the Inventor

Tokyo, Japan

Koyo Electronics Industries Co., Ltd.

Calculating rank
USPTO Granted Patents = 29

% Expired Patents = 6.9


Forward Citations = 403

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28 inventors (with patents filed for the assignee):

goldMedal Norio Shimizu (17 out of 21 patents)

silverMedal Yuichi Watanabe (7 out of 45 patents)

bronzeMedal Yumiko Otsuka (3 out of 4 patents)

4.  Hitoshi Manta (3 out of 3 patents)

5.  Hiroshi Osaka (3 out of 10 patents)

6.  Teruo Matsuno (3 out of 4 patents)

7.  Shigeki Nagase (2 out of 46 patents)

8.  Akira Sugimoto (2 out of 2 patents)

9.  Toshiki Natsui (2 out of 2 patents)

10.  Katsuji Toyooka (2 out of 2 patents)

11.  Shingo Iwasawa (2 out of 2 patents)

12.  Kiichi Naoi (2 out of 2 patents)

13.  Kouichi Uchimura (1 out of 58 patents)

14.  Motoo Nakai (1 out of 11 patents)

15.  Hitoshi Ueda (1 out of 15 patents)


Core Competencies:
Motor Control Device
Electric Power Steering
Programmable Controller
Data Sharing System
Electronic Counter
Bicycle Torque Detection
Surveillance Camera
Television Camera
Remote Control Unit
Data Display
Control Method

29 patents:

1. 8681506 - Motor control device and vehicle steering system (2014-03-25),
2. 8037964 - Electric power steering apparatus (2011-10-18),
3. 7978465 - Function expanding method for small-sized display device (2011-07-12),
4. 7032080 - Plural station memory data sharing system (2006-04-18),
5. D477288 - Programmable controller (2003-07-16),
6. 6320927 - Electronic counter (2001-11-20),
7. 6239986 - Housing body of electronic equipment (2001-05-29),
8. D418483 - Programmable controller (2000-01-04),
9. D418115 - Programmable controller (1999-12-28),
10. 5816599 - Bicycle torque detection apparatus and bicycle including the same (1998-10-06),
11. D359954 - Data display for settable controller (1995-07-04),
12. D358369 - Program set controller (1995-05-16),
13. 5404456 - Controlled method of operating a programmable controller with a (1995-04-04),
14. D351827 - Programmable electronic cam-operated switch (1994-10-25),
15. D351374 - Programmable electronic cam-operated switch (1994-10-11),
Company Overview
Koyo Electronics Industries Co., Ltd. is a prominent player in the electronics sector, specializing in the development and manufacturing of advanced electronic components and systems. The company focuses on a diverse range of applications, including automotive electronics, industrial automation, and consumer electronics. With a commitment to innovation, Koyo integrates cutting-edge technology to enhance performance and reliability in its products, catering to both domestic and international markets from its headquarters in Tokyo, Japan.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

29 Patents

#1,094 in Tokyo

#2,368 in Japan

#22,595 in the World

Tokyo, JP
Tokyo, Japan

Koyo Electronics Industries Co., Ltd.

Forward Citations = 403

28 inventors:

goldMedal Norio Shimizu (17 out of 21 patents)

silverMedal Yuichi Watanabe (7 out of 45 patents)

bronzeMedal Yumiko Otsuka (3 out of 4 patents)

4.  Hitoshi Manta (3 out of 3 patents)

5.  Hiroshi Osaka (3 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Koyo Electronics Industries Co., Ltd.. Retrieved from https://idiyas.com/company/koyo-electronics-industries-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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