Toyota, Japan

Yukihisa Hirano

This inventor holds 1 USPTO granted patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukihisa Hirano. Retrieved from https://idiyas.com/inventor/yukihisa-hirano

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 = 3.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: The Innovations of Yukihisa Hirano

Introduction

Yukihisa Hirano is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of internal combustion engines. His innovative designs have the potential to enhance engine performance and efficiency.

Latest Patents

Hirano holds a patent for an engine cam designed for use in overhead-type internal combustion engines. This cam features a unique mechanism that linearly decreases the force holding the valve against the valve seat during the transition from valve closing to valve opening. The design includes lobes for opening the engine valve and a base circle portion for closing it. This innovation aims to improve the functionality and reliability of engine operations.

Career Highlights

Hirano is associated with Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer. His work at Toyota has allowed him to focus on advancing engine technology. His contributions are recognized within the company and the broader automotive industry.

Collaborations

Hirano has collaborated with esteemed colleagues such as Toshio Imamura and Syouzo Kobayashi. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Yukihisa Hirano's work exemplifies the spirit of innovation in the automotive industry. His patent for an engine cam reflects his commitment to enhancing engine performance. His contributions will likely have a lasting impact on the field of internal combustion engines.

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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