Tokyo, Japan

Kazuya Koseki

This inventor holds 16 USPTO granted patents and 7 published patent applications and 9 EPO patents. Top assignees: Nippon Chemi-Con Corporation, Sony Corporation. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuya Koseki. Retrieved from https://idiyas.com/inventor/kazuya-koseki

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

USPTO Granted Patents = 16 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 43(Granted Patents)


Location History:

  • Kawasaki, JP (2017 - 2018)
  • Kanagawa, JP (2004 - 2024)
  • Tokyo, JP (2018 - 2024)

Company Filing History:


Years Active: 2004-2026

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16 patents (USPTO):Explore Patents

Title: Kazuya Koseki: Innovator in Capacitor Technology

Introduction

Kazuya Koseki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of capacitor technology, holding a total of 14 patents. His innovative designs and methods have advanced the efficiency and performance of capacitors used in various applications.

Latest Patents

Koseki's latest patents include a groundbreaking design for a capacitor with a negative electrode foil that incorporates a carbon layer. This capacitor features a positive electrode foil, a negative electrode foil, and a separator positioned between them. The negative electrode foil is enhanced with a carbon layer, and the separator is in contact with this layer. The separator's density is carefully calculated to optimize performance. Another notable patent involves an electrode body designed for electrolytic capacitors, which showcases improved cathode side capacitance. This electrode body consists of a cathode foil made from a valve acting metal, with an enlarged surface layer and a carbon layer formed on top. The interface between these layers is uniquely structured to enhance functionality.

Career Highlights

Throughout his career, Kazuya Koseki has worked with notable companies such as Nippon Chemi-con Corporation and Sony Corporation. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies in the electronics industry.

Collaborations

Koseki has collaborated with talented individuals in his field, including Kazuhiro Nagahara and Kenji Machida. These partnerships have fostered innovation and have led to the development of advanced capacitor technologies.

Conclusion

Kazuya Koseki's work in capacitor technology exemplifies his dedication to innovation and excellence. His patents and collaborations have significantly impacted the industry, making him a noteworthy figure in the realm of electronics.

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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