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For the Inventor, By the Inventor

Tokyo, Japan

Kogyo Gijutsuin


USPTO Granted Patents = 12

Forward Citations = 123

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33 inventors (with patents filed for the assignee):

goldMedal Shoei Kataoka (3 out of 32 patents)

silverMedal Yasuo Tarui (3 out of 6 patents)

bronzeMedal Yutaka Hayashi (3 out of 11 patents)

4.  Nobuo Saito (2 out of 11 patents)

5.  Shigeru Yoshizawa (2 out of 13 patents)

6.  Hiroshi Tateno (2 out of 5 patents)

7.  Hideo Yamada (1 out of 24 patents)

8.  Atsushi Asano (1 out of 12 patents)

9.  Tsuguo Yamaoka (1 out of 34 patents)

10.  Hirokazu Aoki (1 out of 29 patents)

11.  Nobuyasu Shiba (1 out of 10 patents)

12.  Yasuo Watanabe (1 out of 13 patents)

13.  Hideyo Iida (1 out of 14 patents)

14.  Kunihiro Ichimura (1 out of 6 patents)

15.  Toru Shibuya (1 out of 6 patents)


12 patents:

1. 5475560 - Current limiting device with a superconductor and a control coil (1995-12-12),
2. 4564580 - Photosensitive resin composition (1986-01-14),
3. 4500743 - Amorphous semiconductor solar cell having a grained transparent electrode (1985-02-19),
4. 4441324 - Thermal shield structure with ceramic wall surface exposed to high (1984-04-10),
5. 4182964 - Negative resistance element circuit combinations (1980-01-08),
6. 4156203 - Negative resistance element circuit combinations (1979-05-22),
7. 4101971 - Magnetic bubble information writing device (1978-07-18),
8. 4101970 - Magnetic bubble module (1978-07-18),
9. 4023196 - Negative resistance element composed of a semiconductor element (1977-05-10),
10. 4015283 - High speed element of an integrated circuit with a majority carrier (1977-03-29),
11. 3950777 - Field-effect transistor (1976-04-13),
12. 3946424 - High frequency field-effect transistors and method of making same (1976-03-23),
Company Overview
Kogyo Gijutsuin is a prominent organization based in Tokyo, specializing in advanced engineering and technology solutions. The company focuses on research and development in various fields, including automotive engineering, industrial machinery, and electronic systems. With a commitment to innovation, Kogyo Gijutsuin plays a vital role in enhancing technological capabilities and contributing to the advancement of industries in Japan and beyond. Its expertise supports a diverse range of applications, driving progress in engineering and manufacturing sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#1,729 in Tokyo

#3,935 in Japan

#48,163 in the World

Tokyo, JP
Tokyo, Japan

Kogyo Gijutsuin

Forward Citations = 123

33 inventors:

goldMedal Shoei Kataoka (3 out of 32 patents)

silverMedal Yasuo Tarui (3 out of 6 patents)

bronzeMedal Yutaka Hayashi (3 out of 11 patents)

4.  Nobuo Saito (2 out of 11 patents)

5.  Shigeru Yoshizawa (2 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kogyo Gijutsuin. Retrieved from https://idiyas.com/company/kogyo-gijutsuin

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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