Kobe, Japan

Tetsuo Koishi

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Rubber Industries Limited. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Koishi. Retrieved from https://idiyas.com/inventor/tetsuo-koishi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Tetsuo Koishi: Innovator of the Three Layer Cushion Tire

Introduction

Tetsuo Koishi is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of tire technology, particularly for industrial and construction vehicles. His innovative designs have improved the performance and comfort of vehicles such as forklift trucks.

Latest Patents

Tetsuo Koishi holds a patent for a unique invention known as the Three Layer Cushion Tire. This tire features a triple layered structure that includes a base rubber layer, a middle rubber layer, and a tread rubber layer arranged radially outwardly. The middle rubber layer is designed with a hollow part that extends circumferentially around the tire. This innovative design softens the ride while maintaining durability and driving stability at an optimal level. He has 1 patent to his name.

Career Highlights

Koishi is associated with Sumitomo Rubber Industries Limited, a company renowned for its advancements in rubber technology and tire manufacturing. His work has contributed to the development of tires that enhance the efficiency and safety of industrial vehicles.

Collaborations

Throughout his career, Tetsuo Koishi has collaborated with talented individuals such as Takashi Nishimura and Kouji Ichikawa. These partnerships have fostered innovation and have led to the successful development of new tire technologies.

Conclusion

Tetsuo Koishi's contributions to tire technology, particularly through his invention of the Three Layer Cushion Tire, have made a significant impact on the industry. His work continues to influence the design and functionality of tires for industrial vehicles, showcasing the importance of innovation in enhancing vehicle performance.

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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