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Seiko Instruments & Electronics Ltd.

USPTO Granted Patents = 127

CIPO Patents = 1

Forward Citations = 2,129

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165 inventors (with patents filed for the assignee):

Hitoshi Kamamori (12 out of 21 patents)

Mitsuru Suginoya (11 out of 22 patents)

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: Sort by Forward Citations

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),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

127 Patents

#479 in Tokyo

#973 in Japan

#6,311 in the World

Seiko Instruments & Electronics Ltd.

Forward Citations = 2,129

165 inventors:

Hitoshi Kamamori (12 out of 21 patents)

Mitsuru Suginoya (11 out of 22 patents)

Koji Iwasa (11 out of 19 patents)

4. Yumiko Terada (11 out of 11 patents)

5. Yutaka Sano (10 out of 10 patents)

Please report any incorrect information to [email protected]

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