Toride, Japan

Katsumi Takahashi

This inventor holds 13 USPTO granted patents and 1 EPO patent. Top assignee: Canon Kabushiki Kaisha. Active years: 2001-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Takahashi. Retrieved from https://idiyas.com/inventor/katsumi-takahashi

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

Calculating rank

% Patents Active = 30.8


Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 80(Granted Patents)


Location History:

  • Shizuoka-ken, JP (2001 - 2002)
  • Ibaraki, JP (2006)
  • Ibaraki-ken, JP (2009)
  • Toride, JP (2008 - 2013)
  • Moriya, JP (2012 - 2017)

Company Filing History:


Years Active: 2001-2017

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13 patents (USPTO):Explore Patents

Title: Katsumi Takahashi: Innovator in Power Supply and Image Forming Technologies

Introduction

Katsumi Takahashi is a prominent inventor based in Toride, Japan. He has made significant contributions to the fields of power supply circuits and image forming technologies. With a total of 13 patents to his name, Takahashi continues to push the boundaries of innovation.

Latest Patents

One of his latest inventions is a power supply circuit designed to enhance efficiency. This circuit includes a first power supply for normal operation and a second power supply for power-saving mode, connected in parallel. A controller receives power from both supplies through a common connection point, while a switch element regulates the power supplied to the controller. The switch element features a diode that prevents current from flowing back to the first power supply, ensuring optimal performance.

Another notable patent is an image forming apparatus that controls the light amount of a light beam for misalignment detection. This apparatus consists of an image forming unit with an exposure unit that irradiates photosensitive members. It includes a light amount control unit, developing units, and a transfer unit for toner images. The system is equipped with a pattern forming unit to create a misalignment detection pattern, a reading unit to assess the pattern, and a correction unit to adjust any detected misalignment.

Career Highlights

Katsumi Takahashi is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technologies. His work at Canon has allowed him to develop innovative solutions that enhance the functionality and efficiency of imaging devices.

Collaborations

Throughout his career, Takahashi has collaborated with talented individuals such as Tatsuhito Kataoka and Kazuhiko Hirooka. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Katsumi Takahashi is a distinguished inventor whose work in power supply circuits and image forming technologies has made a significant impact. His innovative patents and contributions to Canon demonstrate his commitment to advancing technology.

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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