Hiroshima, Japan

Nobuyasu Hisashige

This inventor holds 1 USPTO granted patent. Top assignee: Mazda Motor Corporation. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyasu Hisashige. Retrieved from https://idiyas.com/inventor/nobuyasu-hisashige

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 = 38(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Nobuyasu Hisashige: Innovator in Engine Exhaust Technology

Introduction

Nobuyasu Hisashige is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of engine exhaust technology. His innovative approach has led to the development of a unique exhaust apparatus that enhances engine performance while minimizing noise.

Latest Patents

Hisashige holds a patent for an engine exhaust apparatus. This invention features a silencer with a cylindrical shell, front and rear end plates, and multiple partition walls that create several chambers. The design includes an inlet pipe that connects to the third chamber and has small holes directed towards the first and second chambers. Additionally, the outlet pipe connects the first chamber to the rear end plate and also contains small holes facing the third and fourth chambers. This innovative design is aimed at reducing engine noise effectively.

Career Highlights

Nobuyasu Hisashige is currently employed at Mazda Motor Corporation. His work at Mazda has allowed him to apply his inventive skills in a practical setting, contributing to the company's reputation for engineering excellence. His dedication to innovation has made him a valuable asset to the team.

Collaborations

Hisashige has collaborated with notable coworkers such as Fukuichi Yokogawa and Makoto Shinhama. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in the automotive industry.

Conclusion

Nobuyasu Hisashige's contributions to engine exhaust technology exemplify the spirit of innovation. His patent reflects a commitment to improving engine performance and reducing noise pollution. His work at Mazda Motor Corporation and collaborations with esteemed colleagues further highlight his impact in the field.

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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