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For the Inventor, By the Inventor

Sendai, Japan

Semiconductor Research Foundation


USPTO Granted Patents = 24

Forward Citations = 300

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26 inventors (with patents filed for the assignee):

goldMedal Jun-ichi Nishizawa (21 out of 162 patents)

silverMedal Tadahiro Ohmi (4 out of 201 patents)

bronzeMedal Mitsuhiro Kimura (4 out of 4 patents)

4.  Takashige Tamamushi (2 out of 30 patents)

5.  Ichiemon Sasaki (2 out of 2 patents)

6.  Kentaro Nakamura (2 out of 2 patents)

7.  Takashi Kitsuregawa (2 out of 3 patents)

8.  Kazuo Tsubouchi (1 out of 41 patents)

9.  Katsuhiko Ishida (1 out of 13 patents)

10.  Nobuo Mikoshiba (1 out of 33 patents)

11.  Takeo Seki (1 out of 3 patents)

12.  Yasuo Okuno (1 out of 1 patent)

13.  Ken Suto (1 out of 1 patent)

14.  Syoji Tauchi (1 out of 1 patent)

15.  Noboru Kozuma (1 out of 1 patent)


24 patents:

1. 4641167 - Semiconductor optoelectro transducer (1987-02-03),
2. 4629901 - Photo coupler with static induction transistor type detector (1986-12-16),
3. 4608587 - Semiconductor optoelectro transducer (1986-08-26),
4. 4540466 - Method of fabricating semiconductor device by dry process utilizing (1985-09-10),
5. 4506281 - GaAs semiconductor device (1985-03-19),
6. 4504865 - Image signal readout methd for solid-state image sensor (1985-03-12),
7. 4479845 - Vapor growth with monitoring (1984-10-30),
8. 4454526 - Semiconductor image sensor and the method of operating the same (1984-06-12),
9. 4448525 - Crystal defects analyzer (1984-05-15),
10. 4408304 - Semiconductor memory (1983-10-04),
11. 4377817 - Semiconductor image sensors (1983-03-22),
12. 4333989 - Sapphire single crystal substrate consisting essentially of Ga.sub.2 O.sub. (1982-06-08),
13. 4320410 - GaAs Semiconductor device (1982-03-16),
14. 4292374 - Sapphire single crystal substrate for semiconductor devices (1981-09-29),
15. 4292373 - Sapphire single crystal substrate for semiconductor devices (1981-09-29),
Company Overview
The Semiconductor Research Foundation, based in Sendai, Japan, is dedicated to advancing semiconductor technology through collaborative research initiatives. The organization focuses on developing innovative solutions in areas such as integrated circuits, materials science, and electronic systems. By fostering partnerships among academia, industry, and government, the foundation aims to drive technological progress and enhance the global semiconductor landscape, ensuring sustainable growth and competitiveness in the sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

24 Patents

#8 in Sendai

#2,633 in Japan

#26,660 in the World

Sendai, JP
Sendai, Japan

Semiconductor Research Foundation

Forward Citations = 300

26 inventors:

goldMedal Jun-ichi Nishizawa (21 out of 162 patents)

silverMedal Tadahiro Ohmi (4 out of 201 patents)

bronzeMedal Mitsuhiro Kimura (4 out of 4 patents)

4.  Takashige Tamamushi (2 out of 30 patents)

5.  Ichiemon Sasaki (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Semiconductor Research Foundation. Retrieved from https://idiyas.com/company/semiconductor-research-foundation

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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