Hiroshima, Japan

Kazufumi Kumakura

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Mazda Motor Corporation. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazufumi Kumakura. Retrieved from https://idiyas.com/inventor/kazufumi-kumakura

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 = 15.7

ph-index = 1


Company Filing History:


Years Active: 2020-2025

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2 patents (USPTO):Explore Patents

Title: Kazufumi Kumakura: Innovator in Vehicle Technology

Introduction

Kazufumi Kumakura is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the automotive industry, particularly in vehicle cooling systems and engine control devices. With a total of 2 patents, his work reflects a commitment to enhancing vehicle performance and efficiency.

Latest Patents

Kumakura's latest patents include a "Vehicle Cooling Device" and a "Controller for Multi-Cylinder Engine." The Vehicle Cooling Device features a unique design that incorporates multiple coolant circuits to effectively manage the cooling of both internal combustion engines and electric drive systems. This innovative approach ensures optimal performance and reliability in vehicles. The Controller for Multi-Cylinder Engine is designed to enhance engine efficiency by controlling the lift timing of intake and exhaust valves, particularly during low engine load conditions. This technology allows for improved fuel efficiency and reduced emissions.

Career Highlights

Kumakura is currently employed at Mazda Motor Corporation, where he continues to develop cutting-edge automotive technologies. His work at Mazda has positioned him as a key player in the advancement of vehicle engineering and design.

Collaborations

Some of his notable coworkers include Keitaro Ezumi and Kazuhiro Takemoto. Their collaborative efforts contribute to the innovative environment at Mazda, fostering advancements in automotive technology.

Conclusion

Kazufumi Kumakura's contributions to vehicle technology through his patents and work at Mazda Motor Corporation highlight his role as an influential inventor in the automotive industry. His innovative solutions continue to shape the future of vehicle performance and efficiency.

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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