Hitachi, Japan

Yashuharu Seki

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yashuharu Seki. Retrieved from https://idiyas.com/inventor/yashuharu-seki

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 = 4.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Yashuharu Seki: Innovator in Gas Circuit Breaker Technology

Introduction

Yashuharu Seki is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of gas circuit breakers. His innovative designs have improved the efficiency and functionality of these essential devices.

Latest Patents

Yashuharu Seki holds a patent for a gas circuit breaker. This invention features a pair of contactors with separable contact portions, an insulating nozzle made of electrically insulating material, and a puffer chamber designed to compress gas during the separation operation of the contact portions. The design allows for reduced flow resistance and a lower operational force, enhancing the performance of the gas circuit breaker.

Career Highlights

Seki has dedicated his career to advancing electrical engineering technologies. His work at Hitachi, Ltd. has positioned him as a key figure in the development of innovative electrical solutions. His patent reflects his commitment to improving safety and efficiency in electrical systems.

Collaborations

Throughout his career, Yashuharu Seki has collaborated with esteemed colleagues, including Masanori Tsukushi and Yukio Kurosawa. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Yashuharu Seki's contributions to gas circuit breaker technology exemplify his innovative spirit and dedication to engineering excellence. His work continues to influence the industry and improve electrical safety standards.

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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