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For the Inventor, By the Inventor

Kobe, Japan

Kohei Takemura

This inventor holds 8 USPTO granted patents. Top assignee: Sumitomo Rubber Industries Limited. Active years: 1999-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohei Takemura. Retrieved from https://idiyas.com/inventor/kohei-takemura

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

USPTO Granted Patents = 8

% Patents Active = 87.5

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 278(Granted Patents)


Location History:

  • Nara, JP (1999 - 2003)
  • Kobe, JP (2002 - 2005)

Company Filing History:

goldMedal8 out of 4,544 
 
Sumitomo Rubber Industries Limited
 patents

Years Active: 1999-2005

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8 patents (USPTO):Explore Patents
1. 6864305 - Puncture sealing agent for a tire, and process for producing the same (2005-03-08),
2. 6688992 - Golf ball (2004-02-10),
3. 6626770 - Multi-piece solid golf ball (2003-09-30),
4. 6569036 - Multi-layer solid golf ball (2003-05-27),
5. 6541574 - Golf ball with core and surrounding cover, and manufacturing method thereof (2003-04-01),
6. 6464600 - Golf ball (2002-10-15),
7. 6361455 - Golf ball (2002-03-26),
8. 5967907 - Multi-piece solid golf ball (1999-10-19),

Title: Innovations of Kohei Takemura

Introduction

Kohei Takemura is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of materials and product design, holding a total of 8 patents. His work primarily focuses on enhancing the performance and durability of everyday products.

Latest Patents

Among his latest innovations is a puncture sealing agent for tires. This agent comprises a rubber latex, an adhesive agent, and an antifreezing agent, with propylene glycol used as the antifreezing agent. The ratio of propylene glycol to the total weight of the puncture sealing agent is set between 20 to 40% by weight. Another notable invention is a golf ball designed to excel in resilience performance, cut resistance, and spin performance. This golf ball consists of a core and a cover, with the cover made from a composition that includes organic short fiber blended with a polymer component primarily made of thermoplastic elastomer. The cover composition has a flexural rigidity of 80-300 MPa and a Shore D hardness of 41-56.

Career Highlights

Kohei Takemura is associated with Sumitomo Rubber Industries Limited, where he continues to innovate and develop new products. His work has significantly impacted the rubber and sports equipment industries.

Collaborations

He has collaborated with notable coworkers such as Seigou Sakagami and Kazuhisa Fushihara, contributing to various projects and innovations.

Conclusion

Kohei Takemura's inventive spirit and dedication to improving product performance have led to several valuable patents. His contributions continue to influence the industry and enhance consumer products.

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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