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Daikyo Gomu Seiko, Ltd.

USPTO Granted Patents = 12

Forward Citations = 550

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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 leading manufacturer of rubber and plastic products, specializing in gaskets, seals, and other custom rubber components. With over 50 years of industry experience, the company has a reputation for quality, precision, and reliability. Their products are used in a wide range of industries, including automotive, aerospace, and medical. Daikyo Gomu Seiko, Ltd. is committed to innovation and continuous improvement, ensuring customer satisfaction and long-term partnerships.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

12 Patents

#1,516 in Tokyo

#3,840 in Japan

#46,762 in the World

Daikyo Gomu Seiko, Ltd.

Forward Citations = 550

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)

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