Hiratsuka, Japan

Kiyoshi Tomioka

This inventor holds 3 USPTO granted patents. Top assignee: The Yokohama Rubber Co., Ltd.. Active years: 1992-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Tomioka. Retrieved from https://idiyas.com/inventor/kiyoshi-tomioka

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 = 2.3

ph-index = 3

Forward Citations = 86(Granted Patents)


Company Filing History:


Years Active: 1992-1993

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3 patents (USPTO):Explore Patents

Title: Kiyoshi Tomioka: Innovator in Tire Technology

Introduction

Kiyoshi Tomioka is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of tire technology, holding a total of 3 patents. His innovative designs focus on enhancing the performance and safety of pneumatic tires under various road conditions.

Latest Patents

Tomioka's latest patents include a method of fitting pneumatic tires for wet and dry road conditions. This method involves fitting tires with tread patterns that have sub-grooves diagonally disposed in the same direction. The tires are arranged such that imaginary lines extending from the sub-grooves of the left- and right-hand tires intersect on the front side of the automobile for dry road running, while they intersect on the rear side for wet road running. Another notable patent is for a pneumatic tire characterized by chamfered tread blocks. In this design, the edge of each block on the tire tread surface is chamfered to create a curved surface that connects smoothly to the tread surface.

Career Highlights

Kiyoshi Tomioka is currently employed at The Yokohama Rubber Co., Ltd., where he continues to innovate in tire technology. His work has significantly impacted the automotive industry, particularly in enhancing tire performance and safety.

Collaborations

Throughout his career, Tomioka has collaborated with esteemed colleagues such as Susumu Watanabe and Tuneo Morikawa. These collaborations have fostered a creative environment that has led to groundbreaking advancements in tire design.

Conclusion

Kiyoshi Tomioka's contributions to tire technology exemplify his dedication to innovation and safety in the automotive industry. His patents reflect a deep understanding of the complexities involved in tire performance, making him a key figure in this field.

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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