For the Inventor, By the Inventor

Enter assignee name

Daikyo Gomu Seiko, Ltd.

USPTO Granted Patents = 12

Forward Citations = 563

Loading Chart...

Loading Chart...

12 inventors (with patents filed for the assignee):

Morihiro Sudo (7 out of 32 patents)

Tomoyasu Muraki (7 out of 7 patents)

Eiji Kawachi (6 out of 6 patents)

4. Yasushi Kawachi (6 out of 11 patents)

5. Tamotsu Okuda (3 out of 4 patents)

6. Denpei Sudo (2 out of 3 patents)

7. Masamichi Sudo (1 out of 21 patents)

8. Hideo Yoshitaka (1 out of 2 patents)

9. Tatsuya Matsunaga (1 out of 2 patents)

10. Yutaka Tatsumi (1 out of 2 patents)

11. Mirihiro Sudo (1 out of 1 patent)

12. Yoshiharu Matukura (1 out of 4 patents)

12 patents: Sort by Forward Citations

1. 6007520 - Medical instrument (1999-12-28),

2. 5994465 - Rubber composition containing an organic compound having two maleimide (1999-11-30),

3. 5908686 - Modified polysiloxane composition and a sanitary rubber article coated (1999-06-01),

4. 5723189 - Container for a sanitary article (1998-03-03),

5. 5288560 - Laminated sanitary rubber article (1994-02-22),

6. 5208012 - Anti-inflammatory or anti-sunburn cosmetic composition (1993-05-04),

7. 5114794 - Modified polysiloxane-coated sanitary rubber article and a process for (1992-05-19),

8. 5110621 - Process for the production of modified polysiloxane-coated sanitary (1992-05-05),

9. 5009646 - Sliding stopper for a syringe (1991-04-23),

10. 4997423 - Laminated sliding stopper for a syringe (1991-03-05),

11. 4915243 - Resin-laminated rubber closure for a medical vial (1990-04-10),

12. 4441621 - Pierceable closure member for vial (1984-04-10),

Daikyo Gomu Seiko, Ltd. is a prominent Japanese company specializing in the development and manufacturing of rubber and plastic products. With a strong focus on precision engineering, the company serves various industries, including automotive, electronics, and medical sectors. Daikyo Gomu Seiko is recognized for its innovative solutions in sealing technologies and custom rubber components, contributing to advancements in product reliability and performance. The company's commitment to quality and research positions it as a key player in the global market.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#1,729 in Tokyo

#3,934 in Japan

#48,129 in the World

Daikyo Gomu Seiko, Ltd.

Forward Citations = 563

12 inventors:

Morihiro Sudo (7 out of 32 patents)

Tomoyasu Muraki (7 out of 7 patents)

Eiji Kawachi (6 out of 6 patents)

4. Yasushi Kawachi (6 out of 11 patents)

5. Tamotsu Okuda (3 out of 4 patents)

Please report any incorrect information to [email protected]

Loading…