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Hiroshima, Japan

Hayakawa Rubber Company Limited

USPTO Granted Patents = 25

EPO Patents = 2

Forward Citations = 400

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43 inventors (with patents filed for the assignee):

Toshihiro Fujii (9 out of 9 patents)

Hiroki Nii (5 out of 5 patents)

Ban Tanaka (4 out of 4 patents)

4. Sekiji Yokota (4 out of 4 patents)

5. Hirofumi Kakimoto (3 out of 4 patents)

6. Tetsuya Kimura (3 out of 3 patents)

7. Kosaku Yamada (3 out of 3 patents)

8. Yoshinobu Ishido (3 out of 3 patents)

9. Hideo Tanaka (3 out of 3 patents)

10. Katsumi Sakamoto (2 out of 2 patents)

11. Takashi Miya (2 out of 6 patents)

12. Shuichi Koshio (2 out of 9 patents)

13. Tadashi Hayakawa (2 out of 5 patents)

14. Osamu Kiso (2 out of 2 patents)

15. Hideo Kushida (2 out of 10 patents)

25 patents: Sort by Forward Citations

1. 11053357 - Spherical powder containing crosslinked body formed having polyrotaxane, and method for producing same (2021-07-06),

2. 8720908 - Vehicle component and sealing member (2014-05-13),

3. 7691303 - Method and apparatus for manufacturing base member bearing projections, and base member bearing projections (2010-04-06),

4. 6672426 - Sound-insulating floor structures, sound-insulating floor members and method for constructing said sound-insulating floor structures (2004-01-06),

5. 6602586 - Elastic blocks and process for producing the same (2003-08-05),

6. 6001301 - Method of molding a lamina into a protective member (1999-12-14),

7. 5722644 - Pre-shaped vibration-damping member for deformed portion (1998-03-03),

8. 5712022 - Printed thermoplastic resin products and method for printing such (1998-01-27),

9. 5587405 - Ink compositions (1996-12-24),

10. 5509230 - Lawn protecting method and elastic body for lawn protection (1996-04-23),

11. 5283265 - Photopolymerizable rubber (1994-02-01),

12. 5200438 - Ultraviolet ray-curable ink (1993-04-06),

13. 5185234 - Photosensitive flexographic printing plate composition (1993-02-09),

14. 5085697 - Method of forming a tentative surface protective coating (1992-02-04),

15. 4929469 - Method of forming a tentative surface protective coating (1990-05-29),

Hayakawa Rubber Company Limited is a global leader in rubber manufacturing. With over 50 years of experience, the company specializes in the production of high-quality rubber products. Hayakawa Rubber offers a wide range of rubber solutions for various industries including automotive, electronics, healthcare, and more. Their commitment to innovation and customer satisfaction has earned them a strong reputation in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

25 Patents

#16 in Hiroshima, 729-3431

#2,515 in Japan

#24,950 in the World

Hiroshima, Japan

Hayakawa Rubber Company Limited

Forward Citations = 400

43 inventors:

Toshihiro Fujii (9 out of 9 patents)

Hiroki Nii (5 out of 5 patents)

Ban Tanaka (4 out of 4 patents)

4. Sekiji Yokota (4 out of 4 patents)

5. Hirofumi Kakimoto (3 out of 4 patents)

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