Toyota, Japan

Kunihiko Mizutani

This inventor holds 2 USPTO granted patents. Top assignee: Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihiko Mizutani. Retrieved from https://idiyas.com/inventor/kunihiko-mizutani-tsosmjad

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 = 2.4

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1976

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2 patents (USPTO):Explore Patents

Title: Kunihiko Mizutani: Innovator in Rotary Engine Technology

Introduction

Kunihiko Mizutani is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of rotary engine technology, holding 2 patents that showcase his innovative approach to engineering challenges.

Latest Patents

Mizutani's latest patents include a protective device for rotary engine oil seals and an oil seal assembly for rotary engines. The protective device is designed to prevent harmful combustion gases from damaging the oil sealing assemblies on each side of the engine rotor. It features annular grooves that extend completely around the sealing assembly, located radially outward from the sealing assemblies. A seal ring is fitted within each groove, with spring means urging the ring against the engine housing. The oil seal assembly patent describes an annular groove formed in the side of the engine rotor, where an oil seal ring is fitted. This ring is pressed against the side wall of the engine housing by annular spring means, with detent means inserted to restrain relative motion during rotor rotation.

Career Highlights

Kunihiko Mizutani works at Toyota Jidosha Kogyo Kabushiki Kaisha, a leading automotive manufacturer known for its innovative engineering and commitment to quality. His work has contributed to advancements in rotary engine design, enhancing performance and reliability.

Collaborations

Mizutani collaborates with talented coworkers such as Kazuhiro Kawamura and Takami Aoyama. Together, they work on projects that push the boundaries of rotary engine technology.

Conclusion

Kunihiko Mizutani's contributions to rotary engine technology through his patents reflect his dedication to innovation and engineering excellence. His work continues to influence the automotive industry and improve engine 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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