Tokyo, Japan

Shigenori Kouno

This inventor holds 20 USPTO granted patents and 3 published patent applications, primarily in Image Formation Technology. Top assignees: Konica Corporation, Konica Minolta Business Technologies, Inc.. Active years: 1991-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigenori Kouno. Retrieved from https://idiyas.com/inventor/shigenori-kouno

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

USPTO Granted Patents = 20 

% Patents Active = 75.0

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 72(Granted Patents)


Location History:

  • Tachikawa, JP (1991 - 1994)
  • Hachioji, JP (1993 - 2008)
  • Tokyo, JP (1993 - 2013)

Company Filing History:


Years Active: 1991-2013

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Areas of Expertise:
Image Forming Method
Toner
Electrostatic Image Developer
Developer Material
Carrier Production
Recycling Method
Image Apparatus
Static Charge Developing
20 patents (USPTO):Explore Patents

Title: Shigenori Kouno: Innovator in Image Forming Technology

Introduction

Shigenori Kouno is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to the field of image forming technology. With a remarkable portfolio of 20 patents, Kouno has pioneered methods that enhance efficiency and sustainability in printing processes.

Latest Patents

Kouno's latest inventions include an innovative image forming method and a comprehensive method for recycling image forming material. His image forming method utilizes toner particles composed of at least a resin, which are employed on an image supporting substrate to create high-quality prints. This process involves a toner image holding method, where the toner image is retained in a specially designed toner holding layer. An important aspect of this invention is the ability to recycle toner particles or the image supporting substrate, making the process environmentally friendly.

The method of recycling image forming material, on the other hand, details a systematic approach for holding and separating toner images to produce a second generation image print from previously used toner particles. This invention ensures adherence to specific conditions related to the particle shape factors of the toner, thereby enhancing the efficacy of recycling in the printing industry.

Career Highlights

Throughout his career, Kouno has worked with renowned organizations such as Konica Corporation and Konica Minolta Business Technologies, Inc. His role in these companies has been instrumental in advancing the development of imaging technologies and promoting innovation within the sector.

Collaborations

Kouno has collaborated with esteemed colleagues, including Ken Ohmura and Hiroshi Yamazaki. These partnerships have facilitated a wealth of knowledge exchange and have contributed to the successful development of innovative technologies under their purview.

Conclusion

Shigenori Kouno's work exemplifies the intersection of innovation and sustainability in the field of image forming technology. With his extensive patent portfolio and collaborative spirit, Kouno continues to influence the landscape of printing methods, ensuring that advancements are not only efficient but also environmentally responsible. His contributions will undoubtedly lead to further developments in the industry, enhancing the capabilities of modern imaging solutions.

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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