Hiratsuka, Japan

Yoshifumi Koishikawa

This inventor holds 21 USPTO granted patents and 5 published patent applications and 4 EPO patents, primarily in Automobile Tires. Top assignee: The Yokohama Rubber Co., Ltd.. Active years: 2008-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Koishikawa. Retrieved from https://idiyas.com/inventor/yoshifumi-koishikawa

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

USPTO Granted Patents = 21 

% Patents Active = 90.5

 

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 315(Granted Patents)


Location History:

  • Kanagawa, JP (2012 - 2018)
  • Hiratsuka, JP (2008 - 2023)

Company Filing History:


Years Active: 2008-2025

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Areas of Expertise:
Automobile Tire
Pneumatic Tire
Tire Tread
Sub-Grooves
Sipes
Tire Design
Tire Manufacturing
Tire Performance
Tire Durability
Tire Technology
Tread Patterns
Tire Innovation
21 patents (USPTO):Explore Patents

Title: The Innovative Mind of Yoshifumi Koishikawa in Automotive Tire Technology

Introduction

Yoshifumi Koishikawa, an accomplished inventor based in Hiratsuka, Japan, has made significant strides in the field of automotive tire technology. With a remarkable portfolio boasting 20 patents, Koishikawa's contributions are pivotal in enhancing both the performance and safety of vehicles on the road.

Latest Patents

Among his most recent innovations is a patent for an advanced automobile tire. This development reflects Koishikawa’s ongoing commitment to pushing the boundaries of tire technology and addressing the evolving needs of the automotive industry. His work not only improves vehicle performance but also contributes to safer driving experiences.

Career Highlights

Koishikawa is currently associated with The Yokohama Rubber Co., Ltd., a leading company specializing in tire manufacturing. His career spans numerous years of dedicated research and development, establishing him as a prominent figure in tire innovation. Throughout his tenure, he has consistently focused on enhancing tire durability, performance, and environmental sustainability.

Collaborations

In his innovative journey, Koishikawa collaborates with talented coworkers such as Makoto Ishii and Takumi Morito. Together, they form a dynamic team that thrives on creativity and technical precision, combining their expertise to deliver groundbreaking tire solutions that meet the rigorous demands of the automotive sector.

Conclusion

Yoshifumi Koishikawa stands out as a brilliant inventor whose patents have significantly impacted the automotive industry. His ongoing work at The Yokohama Rubber Co., Ltd. and collaborations with fellow innovators highlight his dedication to excellence in tire technology. As he continues to advance in his field, the future promises even more exciting developments from this visionary inventor.

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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