Tokyo, Japan

Koji Tsubone

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: International Superconductivity Technology Center, the Juridical Foundation, The Chugoku Electric Power Co., Inc., Fujitsu Corporation. Active years: 2011-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Tsubone. Retrieved from https://idiyas.com/inventor/koji-tsubone

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 2 

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 74(Granted Patents)


Location History:

  • Higashihiroshima, JP (2011)
  • Tokyo, JP (2012)

Company Filing History:


Years Active: 2011-2012

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2 patents (USPTO):Explore Patents

Title: The Innovations of Koji Tsubone

Introduction

Koji Tsubone is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of superconductivity, holding a total of 2 patents. His work focuses on advanced superconducting junction elements and devices, which have important applications in various technological fields.

Latest Patents

Tsubone's latest patents include a superconducting junction element and a superconducting junction circuit. The superconducting junction element features a lower electrode formed by a superconductor layer, a barrier layer on a portion of the lower electrode's surface, and an upper electrode that covers the barrier layer. This design allows for the control of the critical current density based on the area of the lower electrode. His second patent, related to a Josephson device, involves a first superconducting electrode layer, a barrier layer, and a second superconducting electrode layer. These layers are made from an oxide superconductor material, which includes specific elements that enhance the device's performance.

Career Highlights

Throughout his career, Tsubone has worked with prominent organizations such as The Chugoku Electric Power Co., Inc. and the International Superconductivity Technology Center, the Juridical Foundation. His experience in these companies has allowed him to develop and refine his innovative ideas in superconductivity.

Collaborations

Tsubone has collaborated with notable colleagues, including Hironori Wakana and Keiichi Tanabe. Their joint efforts have contributed to advancements in superconducting technologies.

Conclusion

Koji Tsubone's work in superconductivity exemplifies the impact of innovative thinking in technology. His patents and collaborations highlight his commitment to advancing the field, making him a significant figure in the world of inventions.

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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