Tokyo, Japan

Yusuke Tomizawa

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Mitsubishi Electric Corporation. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yusuke Tomizawa. Retrieved from https://idiyas.com/inventor/yusuke-tomizawa-w5ut5jkb

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 = 2.4

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Yusuke Tomizawa: Innovator in Vacuum Circuit Breaker Technology

Introduction

Yusuke Tomizawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of vacuum circuit breakers. His innovative approach has led to the creation of a patented technology that enhances the efficiency and reliability of electrical systems.

Latest Patents

Yusuke Tomizawa holds a patent for a vacuum circuit breaker. This invention features a coupling bellows that includes a first bellows and a second bellows, which has a higher spring constant than the first. A coupling member is joined to each of the bellows, and it includes a hole for a movable shaft. The pressing member moves in the axial direction of the movable shaft, pressing the coupling member and contracting the second bellows as the movable contactor separates from the fixed contactor. This design improves the performance and safety of electrical systems.

Career Highlights

Yusuke Tomizawa is currently employed at Mitsubishi Electric Corporation, a leading company in the electrical and electronic equipment industry. His work at Mitsubishi Electric has allowed him to focus on innovative solutions that address modern electrical challenges. His expertise in vacuum circuit breaker technology has positioned him as a key player in the field.

Collaborations

Yusuke collaborates with talented coworkers, including Takuma Sasai and Masao Akiyoshi. Their combined efforts contribute to the advancement of technology within their organization.

Conclusion

Yusuke Tomizawa's contributions to vacuum circuit breaker technology exemplify his innovative spirit and dedication to improving electrical systems. His patent and work at Mitsubishi Electric Corporation highlight his role as a significant inventor in the industry.

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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