Toyota, Japan

Mitsumasa Yamagata

This inventor holds 4 USPTO granted patents and 2 EPO patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2010-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsumasa Yamagata. Retrieved from https://idiyas.com/inventor/mitsumasa-yamagata

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



Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2010-2013

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4 patents (USPTO):Explore Patents

Title: Mitsumasa Yamagata: Innovator in Automotive Engineering

Introduction

Mitsumasa Yamagata is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of automotive engineering, particularly in the development of innovative components for internal combustion engines. With a total of 4 patents to his name, Yamagata's work reflects a commitment to enhancing engine performance and efficiency.

Latest Patents

One of Yamagata's latest patents is a pump apparatus designed for cooling systems in internal combustion engines. This pump apparatus features a first housing member with a circular recess, a pump rotor, and a second housing member that defines a pump operation chamber. The design includes a discharge passageway for cooling water, ensuring effective temperature regulation within the engine.

Another significant invention is a piston for internal combustion engines. This piston has a unique top surface with a depression that creates a center region to enhance tumble flow. The design also includes side regions that generate a side tumble flow, optimizing combustion efficiency and performance.

Career Highlights

Mitsumasa Yamagata is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to innovate and develop advanced automotive technologies. His work has been instrumental in improving engine designs and enhancing overall vehicle performance.

Collaborations

Yamagata has collaborated with notable colleagues, including Kazuyoshi Abe and Daisuke Uchida. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Mitsumasa Yamagata's contributions to automotive engineering exemplify the spirit of innovation. His patents reflect a deep understanding of engine mechanics and a dedication to improving vehicle performance. Through his work at Toyota, he continues to influence the future of automotive technology.

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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