% Expired Patents = 100.0

Forward Citations = 6

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14 inventors (with patents filed for the assignee):

Sakae Kikuchi (1 out of 13 patents)

Bunshi Kuratomi (1 out of 12 patents)

Fukumi Shimizu (1 out of 13 patents)

4. Fumio Murakami (1 out of 5 patents)

5. Kenichi Imura (1 out of 11 patents)

6. Yoshihiko Kobayashi (1 out of 8 patents)

7. Susumu Sato (1 out of 7 patents)

8. Toshihiko Kyogoku (1 out of 2 patents)

9. Tadashi Kodu (1 out of 1 patent)

10. Kiyoharu Mochiduki (1 out of 1 patent)

11. Akio Ishidu (1 out of 1 patent)

12. Masashi Maruyama (1 out of 11 patents)

13. Iwamichi Kojiro (1 out of 1 patent)

14. Katsushige Namiki (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 7262480 - Semiconductor device, and method and apparatus for manufacturing semiconductor device (2007-08-28),

2. 7144755 - Fabrication method of semiconductor integrated circuit device (2006-12-05),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#4,361 in Tokyo

#11,124 in Japan

Tokyo, Japan

Eastern Japan Semiconductor Technologies, Inc.

Forward Citations = 6

14 inventors:

Sakae Kikuchi (1 out of 13 patents)

Bunshi Kuratomi (1 out of 12 patents)

Fukumi Shimizu (1 out of 13 patents)

4. Fumio Murakami (1 out of 5 patents)

5. Kenichi Imura (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eastern Japan Semiconductor Technologies, Inc.. Retrieved from https://idiyas.com/company/eastern-japan-semiconductor-technologies

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]