Tokyo, Japan

Ryuuichi Kasahara

This inventor holds 2 USPTO granted patents. Top assignee: Nec Tokin Corporation. Active years: 2003-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuuichi Kasahara. Retrieved from https://idiyas.com/inventor/ryuuichi-kasahara

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


% Patents Active = 50.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Minato-ku, JP (2003)
  • Tokyo, JP (2006)

Company Filing History:


Years Active: 2003-2006

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2 patents (USPTO):Explore Patents

Title: The Innovations of Ryuuichi Kasahara

Introduction

Ryuuichi Kasahara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of electric double layer capacitors. With a total of 2 patents to his name, his work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Kasahara's latest patents include an electric double layer capacitor with improved activated carbon electrodes. This invention features a separator and a pair of electrodes that include activated carbon particles bound by a binder. The density of the electrodes is specifically designed to be in the range of 1.4 g/cm³ to 1.8 g/cm³. Another notable patent is for an electric double layer capacitor and method of forming the same. This capacitor includes a cell structure with a separator, polarization electrodes, collectors, and a gasket, where at least part of either the collectors or the gasket has a gas permeability coefficient of at least 4.0E-12 [m /(m ·S·Pa)].

Career Highlights

Kasahara is currently employed at NEC Tokin Corporation, where he continues to push the boundaries of innovation in capacitor technology. His work has not only advanced the field but has also contributed to the development of more efficient energy storage solutions.

Collaborations

Throughout his career, Kasahara has collaborated with notable colleagues, including Yutaka Nakazawa and Koji Sakata. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Ryuuichi Kasahara's contributions to the field of electrical engineering, particularly in the area of electric double layer capacitors, highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving energy storage solutions, making a lasting impact in 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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