Kanagawa, Japan

Hiroshi Tosaka

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Nissan Motor Company Limited. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tosaka. Retrieved from https://idiyas.com/inventor/hiroshi-tosaka-c8lhpnr3

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

Calculating rank

 

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Hiroshi Tosaka: Innovator in Low Friction Sliding Mechanisms

Introduction

Hiroshi Tosaka is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of engineering, particularly in the development of sliding mechanisms. His innovative work focuses on enhancing the performance and durability of mechanical systems.

Latest Patents

Hiroshi Tosaka holds a patent for a low friction sliding mechanism. This invention is designed to provide excellent seizure resistance. The mechanism includes a lubricating oil interposed at a sliding surface between a DLC coating sliding member (A) and a sliding member (B). The DLC coating sliding member (A) features a DLC film covering a base material, with metal films in an island configuration on the surface of the DLC film. This design aims to improve the efficiency and longevity of sliding components in various applications.

Career Highlights

Hiroshi Tosaka is currently employed at Nissan Motor Company Limited, where he applies his expertise in mechanical engineering. His work at Nissan has allowed him to contribute to the advancement of automotive technologies. With a focus on innovation, he continues to explore new solutions that enhance vehicle performance.

Collaborations

Hiroshi has collaborated with esteemed colleagues such as Seiichi Nakano and Yutaka Mabuchi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Hiroshi Tosaka's contributions to the field of low friction sliding mechanisms exemplify his commitment to innovation and engineering excellence. His work not only enhances the performance of mechanical systems but also sets a standard for future advancements in 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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