Osaka, Japan

Rinichi Nakayama

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Toyo Tire Rubber Co., Ltd.. Active years: 1989-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rinichi Nakayama. Retrieved from https://idiyas.com/inventor/rinichi-nakayama

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 4

Forward Citations = 52(Granted Patents)


Location History:

  • Takatsuki, JP (1994)
  • Osaka, JP (1989 - 2001)

Company Filing History:


Years Active: 1989-2001

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Rinichi Nakayama

Introduction: Rinichi Nakayama is a prominent inventor based in Osaka, Japan. Renowned for his creative contributions to the field of tire technology, he holds a total of four patents. His inventions reflect his dedication to enhancing tire performance and safety.

Latest Patents: Nakayama's most recent patents include groundbreaking developments in run-flat tire technology. One noteworthy invention is the run-flat tire featuring a side-reinforcing rubber pad and a fibrous layer. This innovative tire design enables it to function even when flat or uninflated due to punctures. The tire comprises a carcass ply with a turned-up end that reaches the underlying belt layer, providing increased stability. The crescent-shaped side-reinforcing rubber pad features both outer-surface-side and inner-surface-side pads that sandwich a fibrous layer. Importantly, the inner pad is thicker than the outer, enhancing overall durability. Additionally, Nakayama's invention also encompasses a unique rubber composition that integrates leather powder or gelatin powder, resulting in a tire tread that offers superior performance.

Career Highlights: Nakayama has made significant strides in the tire manufacturing industry through his work at Toyo Tire & Rubber Co., Ltd., a leading company in tire technology. His contributions have been pivotal in the advancement of tire safety and performance metrics.

Collaborations: Throughout his career, Nakayama has had the privilege of collaborating with talented coworkers such as Satoshi Iwama and Yasunori Yoshida. Together, they have combined their expertise to foster innovation in the industry.

Conclusion: Rinichi Nakayama stands out as a notable inventor in the realm of tire technology. His dedication to innovation is evident through his patent portfolio and collaborative efforts within his company. As tire technology continues to evolve, Nakayama's contributions will likely leave a lasting impact on the industry.

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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