Sakai, Japan

Mitsumasa Isoda

This inventor holds 3 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1984-1990.

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

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 = 1.7

ph-index = 2

Forward Citations = 42(Granted Patents)


Location History:

  • Sakaishi, JP (1984 - 1988)
  • Sakai, JP (1990)

Company Filing History:


Years Active: 1984-1990

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3 patents (USPTO):Explore Patents

Title: Mitsumasa Isoda: Innovator in Engine Cooling Systems

Introduction

Mitsumasa Isoda is a notable inventor based in Sakaishi, Japan. He has made significant contributions to the field of engine cooling systems, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency of internal combustion engines through advanced cooling techniques.

Latest Patents

Isoda's latest patents include a waste heat recovery system for liquid-cooled internal combustion engines. This system incorporates a water jacket that absorbs heat from the engine cooling liquid. It features a first heat exchanger that captures heat from exhaust gases and a second heat exchanger that recovers waste heat from the engine cooling liquid. The design allows for forced or natural circulation of the cooling liquid, optimizing the engine's thermal efficiency.

Another significant patent is a closed evaporative cooling system for engines. This system includes a water jacket with an opening, a condenser with an upper tank, and a pressure regulating valve. The design aims to maintain optimal internal pressure while effectively managing the cooling process, ensuring the engine operates efficiently under various conditions.

Career Highlights

Mitsumasa Isoda is currently associated with Kubota Corporation, a leading company in the manufacturing of agricultural and industrial machinery. His work at Kubota has allowed him to focus on innovative solutions that improve engine performance and sustainability.

Collaborations

Isoda has collaborated with notable coworkers such as Tamotsu Nishitsuji and Yoshimichi Takamatsu. Their combined expertise has contributed to the development of advanced cooling technologies in the automotive industry.

Conclusion

Mitsumasa Isoda's contributions to engine cooling systems reflect his commitment to innovation and efficiency. His patents demonstrate a deep understanding of thermal dynamics and engineering principles, making him a valuable figure in the field 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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