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For the Inventor, By the Inventor

Fukushima, Japan

Toshihiko Omokawa

This inventor holds 12 USPTO granted patents. Top assignee: Sumitomo Rubber Industries Limited. Active years: 1996-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Omokawa. Retrieved from https://idiyas.com/inventor/toshihiko-omokawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 12

% Patents Active = 75.0

Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 41(Granted Patents)


Location History:

  • Shirakawa, JP (1996)
  • Iwase-gun, JP (1999 - 2001)
  • Fukushima-ken, JP (1996 - 2002)
  • Kobe, JP (2003 - 2009)

Company Filing History:

goldMedal12 out of 4,544 
 
Sumitomo Rubber Industries Limited
 patents

Years Active: 1996-2009

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12 patents (USPTO):Explore Patents
1. 7491284 - Manufacturing method of rubber member for tire (2009-02-17),
2. 6511565 - Method of making green tire (2003-01-28),
3. 6491081 - Method of manufacturing radial tire having wound band (2002-12-10),
4. 6258189 - Method and apparatus for manufacturing tire (2001-07-10),
5. 6251205 - Method of manufacturing radial tire having wound band (2001-06-26),
6. 5972142 - Method of manufacturing radial tire having wound band (1999-10-26),
7. 5938870 - Pneumatic radial tire having inner carcass ply cord tension smaller than (1999-08-17),
8. 5882452 - Method and apparatus for manufacturing tire with reduced radial runout (1999-03-16),
9. 5769976 - Pneumatic tire and method of making the same (1998-06-23),
10. 5656108 - Pneumatic radial tire having inner carcass ply cord tension smaller than (1997-08-12),
11. 5538572 - Method of making a pneumatic radial tire having inner carcass ply cord (1996-07-23),
12. 5516058 - Method and apparatus for taking up narrow sheet member (1996-05-14),

Title: Innovations by Toshihiko Omokawa

Introduction

Toshihiko Omokawa is a notable inventor based in Fukushima-ken, Japan. He has made significant contributions to the field of tire manufacturing, holding a total of 12 patents. His work focuses on improving the quality and efficiency of tire production processes.

Latest Patents

Among his latest patents is a manufacturing method of a rubber member for tires. This invention aims to reduce the steps involved in creating rubber strips, even when they are made thicker. It also addresses issues related to uniformity, tire quality, and the outer appearance of tires. The design of the rubber strip can take various shapes, including scalene triangular, trapezoidal, or parallelogram, with specific dimensions for the bottom line and thickness.

Another significant patent is a method of making a green tire. This method involves winding a carcass ply of rubberized cords around a building drum to form a cylindrical body. The process includes pressing the cylindrical body against the drum to prevent movement of the carcass cords, constricting the edge portions, and setting bead cores around these portions. The method ensures that the cylindrical body can swell effectively while maintaining the necessary dimensions.

Career Highlights

Toshihiko Omokawa is currently employed at Sumitomo Rubber Industries Limited, where he continues to innovate in tire technology. His expertise and inventions have contributed to advancements in the industry, enhancing the performance and durability of tires.

Collaborations

He has collaborated with notable coworkers, including Masayuki Sakamoto and Kazuya Suzuki, who share his commitment to innovation in tire manufacturing.

Conclusion

Toshihiko Omokawa's contributions to tire manufacturing through his patents and collaborative efforts highlight his role as a key innovator in the industry. His work continues to influence the quality and efficiency of tire production processes.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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