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For the Inventor, By the Inventor

Tokyo, Japan

Seiko Instruments & Electronics Ltd.


USPTO Granted Patents = 127


Forward Citations = 2,129

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165 inventors (with patents filed for the assignee):

goldMedal Hitoshi Kamamori (12 out of 21 patents)

silverMedal Mitsuru Suginoya (11 out of 22 patents)

bronzeMedal Koji Iwasa (11 out of 19 patents)

4.  Yumiko Terada (11 out of 11 patents)

5.  Yutaka Sano (10 out of 10 patents)

6.  Masaaki Taguchi (6 out of 18 patents)

7.  Takamasa Harada (6 out of 42 patents)

8.  Shinya Watanabe (5 out of 89 patents)

9.  Kenichi Matsushima (5 out of 10 patents)

10.  Masafumi Shimbo (5 out of 16 patents)

11.  Yoshio Shimada (5 out of 7 patents)

12.  Fumihiro Tanaka (5 out of 7 patents)

13.  Kaneo Yamaguchi (5 out of 5 patents)

14.  Hideo Hoshi (4 out of 14 patents)

15.  Masaaki Kamiya (4 out of 40 patents)


Core Competencies:
Non-Volatile Memory
Liquid Crystal Display
Electro-Optical Device
Color Member
Industrial Robot
Sensor Technology
Data Collection System
Thin-Film Transistor
Piezoelectric Crystal
Color Hard Copy
Electromagnetic Detection
Objective Lens

127 patents:

1. 5126809 - Semiconductor non-volatile memory (1992-06-30),
2. 5122847 - Non-volatile semiconductor memory with CVD tunnel oxide (1992-06-16),
3. 5086230 - Apparatus for forming, correcting pattern (1992-02-04),
4. 5049657 - Process for hydrolysis of peptide or protein (1991-09-17),
5. 5017494 - Bio-thermo tip sensor (1991-05-21),
6. 4999094 - Method for manufacturing a color member (1991-03-12),
7. 4989955 - Liquid crystal electro-optical element and process for preparation (1991-02-05),
8. 4961823 - Method of manufacturing calcium carbonate single crystal (1990-10-09),
9. 4939003 - Liquid crystal element (1990-07-03),
10. D304930 - Portable data input terminal (1989-12-05),
11. 4865994 - Detection method for amino acid derivatives (1989-09-12),
12. 4863240 - Apparatus for actuating objective lens (1989-09-05),
13. 4853682 - Data stored display device (1989-08-01),
14. 4839854 - Data collection system having stationary unit with electromagnetic (1989-06-13),
15. 4839300 - Method of manufacturing semiconductor device having trapezoidal shaped (1989-06-13),
Company Overview
Seiko Instruments & Electronics Ltd., based in Tokyo, specializes in advanced semiconductor memory technologies. The company focuses on the development and manufacturing of non-volatile memory solutions, liquid crystal displays, and electro-optical devices. Additionally, it is engaged in innovative fields such as sensor technology, industrial robotics, and data collection systems. With a commitment to research and development, Seiko Instruments plays a significant role in enhancing electronic components and systems across various industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

127 Patents

#479 in Tokyo

#975 in Japan

#6,327 in the World

Tokyo, JP
Tokyo, Japan

Seiko Instruments & Electronics Ltd.

Forward Citations = 2,129

165 inventors:

goldMedal Hitoshi Kamamori (12 out of 21 patents)

silverMedal Mitsuru Suginoya (11 out of 22 patents)

bronzeMedal Koji Iwasa (11 out of 19 patents)

4.  Yumiko Terada (11 out of 11 patents)

5.  Yutaka Sano (10 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiko Instruments & Electronics Ltd.. Retrieved from https://idiyas.com/company/seiko-instruments-and-electronics

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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