Tokyo, Japan

Tokio Nakashima

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokio Nakashima. Retrieved from https://idiyas.com/inventor/tokio-nakashima

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 = 8.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2003

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1 patent (USPTO):Explore Patents

Title: Innovations of Tokio Nakashima

Introduction

Tokio Nakashima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electromagnetic devices. His innovative approach has led to the development of a unique switching device that utilizes electromagnetic repulsion.

Latest Patents

Nakashima holds 1 patent for his invention titled "Electromagnetic repulsion driven switch." This device features a contact-closing coil and a contact-opening coil that confront a conductive repulsive member. The design allows for a drive current to be fed to one of the coils from a capacitor charged to a predetermined voltage. The electromagnetic force generated between the coils and the repulsion member facilitates the movement of stationary and movable contacts. A voltage control mechanism ensures that the drive current remains stable despite temperature changes in the capacitor.

Career Highlights

Tokio Nakashima is associated with Mitsubishi Electric Corporation, where he has been able to apply his expertise in electromagnetic technology. His work has contributed to advancements in switching devices, enhancing their efficiency and reliability.

Collaborations

Nakashima has collaborated with notable colleagues such as Hiroyuki Sasao and Kazuhiko Kagawa. Their combined efforts have fostered innovation within their projects and have led to the successful development of new technologies.

Conclusion

Tokio Nakashima's contributions to electromagnetic technology exemplify the spirit of innovation. His patent for the electromagnetic repulsion driven switch showcases his ability to address practical challenges in the field. His work continues to influence advancements in switching devices, making a lasting impact on 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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