Tokyo, Japan

Takeichi Sakurai

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1983-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeichi Sakurai. Retrieved from https://idiyas.com/inventor/takeichi-sakurai

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 = 2

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 1983-1984

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2 patents (USPTO):Explore Patents

Title: Takeichi Sakurai: Innovator in Multiterminal DC Power Transmission

Introduction

Takeichi Sakurai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the area of multiterminal direct current (DC) power transmission. With a total of 2 patents, his work has had a lasting impact on the industry.

Latest Patents

Sakurai's latest patents include a "Converter control apparatus for parallel connected multi-terminal direct" and a "Multiterminal DC power transmission system." The converter control apparatus allows two rectifiers and two inverters to operate in parallel using common transmission lines. Each converter is controlled by an independent control apparatus that can apply either constant current or constant voltage control. This innovative approach enhances the efficiency and reliability of power transmission systems. The multiterminal DC power transmission system features control units associated with forward and inverse converters, setting different constant voltages to optimize performance.

Career Highlights

Throughout his career, Takeichi Sakurai has worked with prominent companies such as Tokyo Shibaura Denki and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in electrical engineering.

Collaborations

Sakurai has collaborated with esteemed colleagues, including Kiyoshi Goto and Shoichi Irokawa. These partnerships have contributed to the advancement of technology in the field of power transmission.

Conclusion

Takeichi Sakurai's contributions to multiterminal DC power transmission and his innovative patents demonstrate his significant role in the field of electrical engineering. His work continues to influence the industry and inspire future innovations.

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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