Mito, Japan

Osamu Tsuji

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Electric Systems Co., Ltd., Hitachi, Ltd.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Tsuji. Retrieved from https://idiyas.com/inventor/osamu-tsuji-82tjxe0a

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 = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: The Innovations of Osamu Tsuji

Introduction

Osamu Tsuji, an esteemed inventor based in Mito, Japan, is recognized for his significant contributions to the field of electrical engineering. With a total of one patent to his name, his innovation has advanced the functionality and efficiency of gas insulated circuit breakers.

Latest Patents

Tsuji's notable patent is for a Gas Insulated Circuit Breaker. This groundbreaking invention includes a closed tank filled with an insulation gas, paired with separable contacts, and a supporting frame. The design also encompasses an opening spring and closing spring for operational dynamics, alongside an actuating mechanism box that houses the opening and closing coils. These systems enable the circuit to open and close efficiently in response to external commands, ensuring reliable performance in electrical applications.

Career Highlights

Throughout his career, Osamu Tsuji has contributed to major technological advancements while working with leading companies such as Hitachi, Ltd. and Hitachi Electric Systems Co., Ltd. His work within these organizations highlights the intersection of innovative ideas and industry application, reflecting his technical expertise and dedication to engineering.

Collaborations

In his professional journey, Tsuji has collaborated with esteemed colleagues, including Naoyuki Yamamoto and Akira Suzuki. These partnerships have allowed for the exchange of ideas and enhanced innovation, fostering advancements in electrical engineering and related technologies.

Conclusion

Osamu Tsuji's innovative spirit and dedication to engineering have led to significant advancements in circuit breaker technology. His contributions through his patent exemplify the importance of innovation in creating more efficient and reliable electrical systems. As technology continues to evolve, the impact of his work remains pertinent 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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