Tokyo, Japan

Koujiro Yamaguchi

This inventor holds 4 USPTO granted patents. Top assignee: Bridgestone Tire Company Limited. Active years: 1984-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koujiro Yamaguchi. Retrieved from https://idiyas.com/inventor/koujiro-yamaguchi

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 62(Granted Patents)


Company Filing History:


Years Active: 1984-1986

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4 patents (USPTO):Explore Patents

Title: **Koujiro Yamaguchi: Pioneering Innovations in Automotive Technology**

Introduction

Koujiro Yamaguchi is a notable inventor based in Tokyo, Japan. With a dedication to advancing automotive technology, he has secured a total of four patents throughout his career. His contributions have significantly impacted the industry, particularly in the realm of tire development.

Latest Patents

Among his latest innovations is the automobile tire, which showcases his commitment to enhancing vehicle performance and safety. Yamaguchi's work in this area reflects his keen understanding of automotive needs and consumer demands.

Career Highlights

Yamaguchi is currently employed at Bridgestone Tire Company Limited, a prestigious name in the tire and rubber industry. His role at Bridgestone allows him to work on cutting-edge projects and collaborate with other brilliant minds in the field.

Collaborations

Throughout his career, Yamaguchi has had the opportunity to collaborate with esteemed colleagues, including Misao Kawabata and Hiroshi Kojima. Together, they have contributed to various projects that drive innovation in automotive technology and improve tire performance.

Conclusion

Koujiro Yamaguchi stands as a significant figure in the world of automotive inventions. His dedication to improving tire design and performance continues to influence the industry, marking him as an inventor to watch in the future.

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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