Toyota, Japan

Mitsuru Hasegawa

This inventor holds 1 USPTO granted patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuru Hasegawa. Retrieved from https://idiyas.com/inventor/mitsuru-hasegawa-ddy461cy

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Mitsuru Hasegawa: Innovator in Turbo-Charger Cooling Systems

Introduction

Mitsuru Hasegawa is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of internal combustion engines, particularly in the area of turbo-charger cooling systems. His innovative approach has led to the development of a unique cooling system that enhances engine performance and efficiency.

Latest Patents

Hasegawa holds a patent for a cooling system of an internal combustion engine having a turbo-charger. This patent describes a water jacket in the turbo-charger that is positioned at the same level or higher than a water jacket in the engine cylinder head. The design includes a cooling water circulation passageway with a water volume or tank positioned at a level higher than the turbo-charger cooling portion. This volume is connected to a cooling water reservoir tank via a pressure relief valve, which opens when pressure exceeds a predetermined value to supply cooling water to the volume or tank.

Career Highlights

Mitsuru Hasegawa is associated with Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer. His work has been instrumental in advancing the technology behind turbo-chargers, contributing to improved engine performance and reliability. His innovative designs reflect a deep understanding of engine mechanics and thermal dynamics.

Collaborations

Hasegawa has collaborated with fellow inventor Tamotsu Fukuda, working together to enhance automotive technologies. Their partnership has fostered a creative environment that encourages innovation and the development of cutting-edge solutions in the automotive industry.

Conclusion

Mitsuru Hasegawa's contributions to turbo-charger cooling systems exemplify the spirit of innovation in the automotive sector. His patent reflects a commitment to improving engine efficiency and performance, showcasing the importance of inventive thinking in modern engineering.

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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