Saitama, Japan

Tsuneo Fujiwara

This inventor holds 1 USPTO granted patent. Top assignee: Fuji Electric Co., Ltd.. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuneo Fujiwara. Retrieved from https://idiyas.com/inventor/tsuneo-fujiwara-yaahnqi6

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

Calculating rank

Average Co-Inventor Count = 9.0

ph-index = 1


Company Filing History:


Years Active: 2003

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1 patent (USPTO):Explore Patents

Title: Tsuneo Fujiwara: Innovator in Circuit Breaker Technology

Introduction

Tsuneo Fujiwara is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of electrical engineering, particularly in the design of circuit breakers. His innovative approach has led to the development of a unique breaking mechanism that enhances the functionality and reliability of circuit breakers.

Latest Patents

Fujiwara holds a patent for a breaking mechanism for circuit breakers. This mechanism includes a latch receiver that engages a latch, allowing a movable contact shoe to be closed. It features a tripping device that rotationally drives the latch receiver to disengage the latch, thereby opening the movable contact shoe. The design incorporates a projecting circular surface on the latch and a recessed circular surface on the latch receiver, ensuring consistent performance regardless of the engaging point's location.

Career Highlights

Fujiwara is associated with Fuji Electric Co., Ltd., where he has been instrumental in advancing circuit breaker technology. His work has not only improved the safety and efficiency of electrical systems but has also contributed to the company's reputation as a leader in electrical equipment manufacturing.

Collaborations

He has collaborated with notable colleagues such as Kentaro Toyama and Naoshi Uchida, working together to push the boundaries of innovation in their field.

Conclusion

Tsuneo Fujiwara's contributions to circuit breaker technology exemplify the impact of innovative thinking in engineering. His patent reflects a commitment to enhancing electrical safety and efficiency, marking him as a significant figure 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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