Hitachi, Japan

Keiichi Tsuzura

This inventor holds 8 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2001-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Tsuzura. Retrieved from https://idiyas.com/inventor/keiichi-tsuzura

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 = 4.6

ph-index = 5

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 2001-2003

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8 patents (USPTO):Explore Patents

Title: Innovations by Inventor Keiichi Tsuzura in Gas Insulated Switchgear

Introduction

Keiichi Tsuzura is an accomplished inventor based in Hitachi, Japan. With a total of eight patents to his name, Tsuzura's contributions significantly advance technology in the power distribution sector. His work primarily focuses on innovations that enhance the efficiency and cost-effectiveness of electrical components.

Latest Patents

Among his latest inventions is a groundbreaking gas insulated switchgear design. This innovation aims to shorten the connection bus lengths and reduce associated costs. Tsuzura's approach involves arranging multiple T-branched circuit breaker units in a direction perpendicular to the T-branch direction. These units are interconnected through first and second connection bus units, which are arranged in a rectangular wave pattern on a horizontal plane, maintaining a consistent height relative to the T-branch portions of the circuit breakers. This arrangement helps in minimizing the length of the connection buses while effectively avoiding vertical extensions.

Career Highlights

Throughout his career at Hitachi, Ltd., Tsuzura has been recognized for his inventive solutions that cater to the evolving needs of the power industry. His patents have significantly contributed to enhancing the reliability and efficiency of electrical infrastructure.

Collaborations

Tsuzura has collaborated with notable colleagues, including Kazuhiko Takahashi and Junzo Kida. Together, they have worked on various projects to push the boundaries of technology in their field.

Conclusion

Keiichi Tsuzura's innovative spirit continues to shape the landscape of electrical engineering through his patents and collaborative efforts. With each new invention, he underscores the importance of adaptability and efficiency in technology, ultimately aiding in the advancement of 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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