Osaka, Japan

Yoshiro Sumiya

This inventor holds 3 USPTO granted patents. Top assignee: Toyo Tire Rubber Co., Ltd.. Active years: 1997-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiro Sumiya. Retrieved from https://idiyas.com/inventor/yoshiro-sumiya

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 = 2.0

ph-index = 3

Forward Citations = 18(Granted Patents)


Location History:

  • Minoo, JP (1997)
  • Osaka, JP (1999 - 2001)

Company Filing History:


Years Active: 1997-2001

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3 patents (USPTO):Explore Patents

Title: Yoshiro Sumiya: Innovator in Tire Technology

Introduction

Yoshiro Sumiya is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of tire technology, holding a total of 3 patents. His work focuses on improving the performance and efficiency of tires, particularly in analyzing frictional energy and enhancing tire construction.

Latest Patents

One of Sumiya's latest patents is a method of analyzing frictional energy of a rolling tire. This innovative method allows for the easy measurement of in-plane pressure and vertical pressure at a specific point on the tire tread. By calculating the static frictional force, Sumiya's method determines the frictional energy by identifying the slipping region corresponding to the static frictional force.

Another significant patent is for a pneumatic radial tire designed for heavy loads, which incorporates a unique rubber filler. This tire features a hard rubber filler with a JIS A hardness of at least 85, combined with a softer rubber filler. The design ensures that the interface between these fillers is strategically placed to enhance performance and durability.

Career Highlights

Yoshiro Sumiya is currently employed at Toyo Tire Rubber Co., Ltd., where he continues to innovate in tire technology. His expertise and dedication to research have positioned him as a key figure in the industry. Sumiya's work not only contributes to the advancement of tire design but also enhances safety and efficiency for consumers.

Collaborations

Sumiya collaborates with fellow inventor Hiroaki Sugimoto, working together to push the boundaries of tire technology. Their combined efforts have led to advancements that benefit both the company and the broader automotive industry.

Conclusion

Yoshiro Sumiya's contributions to tire technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the design and performance of tires, ensuring safer and more efficient vehicles on the road.

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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