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Tokyo, undefined

Kabushiki Kaisha Suwa Seikosha

USPTO Granted Patents = 446

Forward Citations = 6,343

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286 inventors (with patents filed for the assignee):

Shinji Morozumi (13 out of 25 patents)

Yoshikazu Kawamura (13 out of 16 patents)

Haruhiko Koto (11 out of 16 patents)

4. Susumu Suzuki (11 out of 13 patents)

5. Minoru Hosokawa (10 out of 15 patents)

6. Hiroyuki Chihara (10 out of 11 patents)

7. Kenichiro Arai (9 out of 27 patents)

8. Masayuki Ikeda (9 out of 35 patents)

9. Hitomi Aizawa (9 out of 14 patents)

10. Kenichi Ushikoshi (9 out of 9 patents)

11. Shuji Maezawa (8 out of 9 patents)

12. Yoshihiro Mitsui (8 out of 10 patents)

13. Tatsushi Asakawa (8 out of 8 patents)

14. Sakiho Okazaki (7 out of 11 patents)

15. Izuhiko Nishimura (7 out of 8 patents)

Core Competencies:

Electronic Thermometer

Liquid Crystal Display

Ophthalmic Lenses

Magnetic Recording

Ink Jet Printing

Semiconductor Devices

Electronic Timepieces

Portable Computers

Sound Generators

Voltage Regulators

Photochromic Coatings

Analog Displays

446 patents: Sort by Forward Citations

1. 4838707 - Electronic Thermometer (1989-06-13),

2. D284869 - Electronic calculator (1986-07-29),

3. D284170 - Wristwatch (1986-06-10),

4. 4583866 - Watch dial and method for preparation (1986-04-22),

5. 4582395 - Active matrix assembly for a liquid crystal display device including an (1986-04-15),

6. 4580883 - Progressive multifocal ophthalmic lenses (1986-04-08),

7. D283014 - Watch (1986-03-18),

8. 4577203 - Ink jet recording apparatus (1986-03-18),

9. 4576851 - Semiconductor substrate (1986-03-18),

10. 4575777 - Magnetic recording and reproducing head (1986-03-11),

11. 4575743 - Double layer ROM integrated circuit (1986-03-11),

12. D282843 - Portable electronic computer (1986-03-04),

13. 4574323 - Flexible magnetic disk drive (1986-03-04),

14. 4571102 - Ribbon mask device (1986-02-18),

15. 4570115 - Voltage regulator for liquid crystal display (1986-02-11),

Suwa Seikosha Co., Ltd., was a Japanese company which was a member of the Seiko Group. It was founded in 1942 as a watch and clock manufacturing company and later expanded into other electronic and mechanical devices. Suwa Seikosha played a crucial role in the development of the famous Seiko brand. In 1983, the company merged with another Seiko subsidiary to form Seiko Epson Corporation, now known as Epson. Visit the website for more information.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

446 Patents

#2 in Tokyo

#2 in J

#2,073 in the World

Tokyo, undefined

Kabushiki Kaisha Suwa Seikosha

Forward Citations = 6,343

286 inventors:

Shinji Morozumi (13 out of 25 patents)

Yoshikazu Kawamura (13 out of 16 patents)

Haruhiko Koto (11 out of 16 patents)

4. Susumu Suzuki (11 out of 13 patents)

5. Minoru Hosokawa (10 out of 15 patents)

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