Saitama, Japan

Masaki Yoneyama

This inventor holds 6 USPTO granted patents and 3 EPO patents. Top assignee: Honda Motor Co., Ltd.. Active years: 2008-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Yoneyama. Retrieved from https://idiyas.com/inventor/masaki-yoneyama

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


% Patents Active = 50.0


Average Co-Inventor Count = 5.0

ph-index = 3

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 2008-2012

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6 patents (USPTO):Explore Patents

Title: The Innovations of Masaki Yoneyama

Introduction

Masaki Yoneyama is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of automotive technology, particularly in clutch systems. With a total of 6 patents to his name, Yoneyama's work has had a considerable impact on vehicle performance and efficiency.

Latest Patents

Yoneyama's latest patents include a multiple disc clutch apparatus and a clutch that incorporates damper springs. The multiple disc clutch apparatus features a cam member that is annular in shape and extends radially, ensuring that its outer circumferential surface abuts against a cylindrical face on the inner circumferential surface of a clutch center member. The clutch with damper springs is designed to effectively prevent the clutch outer from tilting when torque varies. This innovative clutch includes damper springs that transmit torque from a driven gear to the clutch outer, along with a thrust washer that regulates the positional change of the clutch outer in relation to the driven gear.

Career Highlights

Yoneyama is currently employed at Honda Motor Co., Ltd., where he continues to develop advanced automotive technologies. His work has been instrumental in enhancing the performance and reliability of Honda's vehicles.

Collaborations

Throughout his career, Yoneyama has collaborated with talented individuals such as Yoshiki Nagahashi and Kohji Minami. These collaborations have fostered innovation and creativity within the automotive sector.

Conclusion

Masaki Yoneyama's contributions to automotive technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of more efficient and reliable vehicle systems.

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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