Hikone, Japan

Keiichi Mitsuhashi

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., The Kansai Electric Power Co., Inc.. Active years: 1992-1993.

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

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 = 8.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1992-1993

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2 patents (USPTO):Explore Patents

Title: Keiichi Mitsuhashi: Innovator in Power Conversion Technology

Introduction

Keiichi Mitsuhashi is a notable inventor based in Hikone, Japan. He has made significant contributions to the field of semiconductor power conversion systems. With a total of 2 patents, his work focuses on enhancing the efficiency and reliability of power conversion technologies.

Latest Patents

Mitsuhashi's latest patents include a system for fault protection in multiphase bridge power converters. This innovative semiconductor power conversion system features a multiphase bridge circuit that incorporates semiconductor devices with controllable firing functions and reverse blocking characteristics. The system is designed to detect commutation failures and implement protective measures to ensure the stability of the multiphase bridge circuit. Another patent involves an improved electric power conversion system that prevents inner defects by monitoring the AC input current and DC output current, allowing for continued operation under certain conditions while safeguarding against temperature-related issues in thyristors.

Career Highlights

Throughout his career, Mitsuhashi has worked with prominent companies such as Hitachi, Ltd. and Kansai Electric Power Co., Inc. His experience in these organizations has contributed to his expertise in power conversion technologies and semiconductor applications.

Collaborations

Mitsuhashi has collaborated with notable colleagues, including Akira Bando and Chikara Tanaka. Their joint efforts have further advanced the field of power conversion systems.

Conclusion

Keiichi Mitsuhashi's contributions to semiconductor power conversion technology demonstrate his innovative spirit and commitment to enhancing electrical systems. His patents reflect a deep understanding of the complexities involved in power conversion, making him a significant figure in this field.

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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