Kobe, Japan

Hisashi Shirashoji

This inventor holds 6 USPTO granted patents. Top assignees: Dunlop Gmbh, Sumitomo Rubber Industries Limited, Rubber Industries, Ltd.. Active years: 1979-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Shirashoji. Retrieved from https://idiyas.com/inventor/hisashi-shirashoji

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 = 1.8

ph-index = 4

Forward Citations = 61(Granted Patents)


Company Filing History:


Years Active: 1979-1991

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6 patents (USPTO):Explore Patents

Title: Hisashi Shirashoji: Innovator in Motorcycle Tire Technology

Introduction

Hisashi Shirashoji is a prominent inventor based in Kobe, Japan, known for his significant contributions to motorcycle tire technology. With a total of 6 patents to his name, Shirashoji has developed innovative solutions that enhance the performance and safety of motorcycle tires.

Latest Patents

One of his latest patents is a motorcycle tire featuring a non-zero degree band radially outward of the breaker. This design includes a tread, sidewalls, and a toroidal reinforcement carcass composed of reinforcement cords. The tire is engineered to provide resistance to wear, excellent grip, and stable high-speed running properties. Another notable patent involves radial tires for motorcycles, which are designed with specific shoulder and center grooves to prevent cracking, ensuring durability and performance.

Career Highlights

Shirashoji has worked with reputable companies in the tire industry, including Dunlop GmbH and Sumitomo Rubber Industries Limited. His experience in these organizations has allowed him to refine his expertise in tire design and innovation.

Collaborations

Throughout his career, Shirashoji has collaborated with notable colleagues such as Eiji Nakasaki and Katsuyuki Hoshikawa. These partnerships have contributed to the advancement of tire technology and the successful development of his patented inventions.

Conclusion

Hisashi Shirashoji's work in motorcycle tire innovation has made a significant impact on the industry. His patents reflect a commitment to enhancing tire performance and safety for riders worldwide.

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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