Toda, Japan

Hisamitsu Shibakawa

This inventor holds 2 USPTO granted patents. Top assignee: Railway Technical Research Institute. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisamitsu Shibakawa. Retrieved from https://idiyas.com/inventor/hisamitsu-shibakawa

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 = 2.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1994

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2 patents (USPTO):Explore Patents

Title: Hisamitsu Shibakawa: Innovator in Magnetically Levitated Railway Technology

Introduction

Hisamitsu Shibakawa is a notable inventor based in Toda, Japan. He has made significant contributions to the field of magnetically levitated railway technology. With a total of 2 patents, his work focuses on enhancing the efficiency and functionality of superconducting magnet systems.

Latest Patents

His latest patents include a multiple feeder system designed for feeding electricity to ground coils of a superconductive magnetically levitated railway. This innovative system features unit feeder sections that are shorter than the length of the train, allowing for a more efficient power supply. Additionally, he has developed ground coils for magnetically levitated railways, which consist of non-flux coils arranged to provide guidance forces to the superconducting coils on the vehicle.

Career Highlights

Hisamitsu Shibakawa is associated with the Railway Technical Research Institute, where he has been instrumental in advancing railway technologies. His expertise in superconducting systems has positioned him as a key figure in the development of modern transportation solutions.

Collaborations

His work often involves collaboration with other experts in the field, including his coworker Junji Fujie. Together, they contribute to innovative projects that push the boundaries of railway technology.

Conclusion

Hisamitsu Shibakawa's contributions to magnetically levitated railway technology exemplify the impact of innovation in transportation. His patents and ongoing work continue to shape the future of railway 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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