Tokyo, Japan

Shinichi Sekikawa

This inventor holds 12 USPTO granted patents and 3 published patent applications and 13 EPO patents. Top assignees: Asahi Kasei Kabushiki Kaisha, Asahi Kasei Chemicals Corporation, Bridgestone Corporation. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinichi Sekikawa. Retrieved from https://idiyas.com/inventor/shinichi-sekikawa

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 = 100.0

 

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 52(Granted Patents)


Location History:

  • Yokohama, JP (2002)
  • Chiyoda-ku, JP (2015)
  • Tokyo, JP (2014 - 2024)

Company Filing History:


Years Active: 2002-2025

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12 patents (USPTO):Explore Patents

Title: The Innovations of Shinichi Sekikawa

Introduction

Shinichi Sekikawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of polymer science, particularly in the development of conjugated diene-based polymers. With a total of 12 patents to his name, Sekikawa's work has had a substantial impact on various industries, including tire manufacturing.

Latest Patents

Sekikawa's latest patents include innovative advancements in conjugated diene-based polymers. One notable patent describes a conjugated diene-based polymer that features a branch number (Bn) of 8 or more, with a change (ΔT) of an oxidation onset temperature of 11.9° C. or less. This polymer contains an aromatic vinyl compound monomer unit, enhancing its performance characteristics. Another significant patent focuses on a conjugated diene-based polymer composition that excels in rolling resistance, grip performance on wet surfaces, and abrasion resistance when used in tires. This composition comprises a blend of two types of conjugated diene-based polymers, each with specific glass transition temperatures and molecular weight requirements.

Career Highlights

Throughout his career, Shinichi Sekikawa has worked with notable companies such as Asahi Kasei and Asahi Kasei Chemicals Corporation. His experience in these organizations has allowed him to collaborate on various projects that push the boundaries of polymer technology.

Collaborations

Sekikawa has collaborated with esteemed colleagues, including Miki Kyo and Junichi Yoshida. Their combined expertise has contributed to the successful development of innovative polymer solutions.

Conclusion

Shinichi Sekikawa's contributions to the field of polymer science are noteworthy and continue to influence the industry. His innovative patents and collaborations highlight his commitment to advancing technology in this area.

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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