Susono, Japan

Seiji Tsuru

This inventor holds 12 USPTO granted patents and 3 EPO patents. Top assignees: Canon Kabushiki Kaisha, Canon Kasei Kabushiki Kaisha. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Tsuru. Retrieved from https://idiyas.com/inventor/seiji-tsuru

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

Calculating rank

% Patents Active = 83.3


Average Co-Inventor Count = 4.4

ph-index = 7

Forward Citations = 209(Granted Patents)


Location History:

  • Susono, JP (2012 - 2021)
  • Shizuoka, JP (2005 - 2024)

Company Filing History:


Years Active: 2005-2026

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12 patents (USPTO):Explore Patents

Title: Seiji Tsuru: Innovator in Electrophotographic Technology

Introduction

Seiji Tsuru is a prominent inventor based in Susono, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 12 patents. His work has been instrumental in advancing the efficiency and functionality of various imaging devices.

Latest Patents

Among his latest patents are innovations such as the electrophotographic roller and the conductive member. The electrophotographic roller features a substrate with a foam layer on its outer peripheral surface. This foam layer is designed to enhance the roller's performance, comprising cells that open on the outer surface and possessing a zero-point charge measured using a standard carrier of 40 μC/g or more. Additionally, his conductive member aims to minimize changes in electrical resistance caused by long-term use. It consists of a conductive support and a conductive layer made from a modified epichlorohydrin rubber, which is formulated to improve durability and performance.

Career Highlights

Seiji Tsuru has worked with notable companies such as Canon Inc. and Canon Kasei Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of imaging technologies.

Collaborations

Throughout his career, Tsuru has collaborated with talented individuals, including Satoru Yamada and Kazuhiro Yamauchi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Seiji Tsuru's contributions to electrophotographic technology exemplify his dedication to innovation and excellence. His patents and collaborations reflect a commitment to advancing the field, making him a noteworthy 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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