Takarazuka, Japan

Keiji Tsuruta

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1984-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Tsuruta. Retrieved from https://idiyas.com/inventor/keiji-tsuruta

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 = 2.4

ph-index = 2

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1984-1985

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2 patents (USPTO):Explore Patents

Title: Keiji Tsuruta: Innovator in Electrical Engineering

Introduction

Keiji Tsuruta is a notable inventor based in Takarazuka, Japan. He has made significant contributions to the field of electrical engineering, particularly through his innovative patents. With a total of 2 patents, Tsuruta has demonstrated his expertise and creativity in developing advanced technologies.

Latest Patents

One of Tsuruta's latest inventions is a package substation in a tank with separate chambers. This invention addresses the need for a compact substation design, where multiple elements are housed within a tank. The elements are isolated by separator walls that create accommodation chambers filled with insulation fluids, ensuring optimal performance and safety. Another significant patent is for an iron core designed for a three-phase electromagnetic induction machine. This iron core features two outer legs and a central leg, connected by a yoke. The design incorporates stacks of trapezoid laminations and parallelogramic laminations, enhancing the efficiency of the electromagnetic induction process.

Career Highlights

Tsuruta is currently associated with Mitsubishi Electric Corporation, a leading company in the electrical and electronic equipment industry. His work at Mitsubishi has allowed him to focus on innovative solutions that address contemporary challenges in electrical engineering.

Collaborations

Throughout his career, Tsuruta has collaborated with talented individuals such as Nagayuki Tsutsumi and Hidenori Kawakami. These collaborations have contributed to the development of groundbreaking technologies and have fostered a spirit of innovation within the team.

Conclusion

Keiji Tsuruta is a distinguished inventor whose work has significantly impacted the field of electrical engineering. His innovative patents and collaborations reflect his commitment to advancing technology and improving efficiency in electrical systems.

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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