Osaka, Japan

Keiichi Kikawa

This inventor holds 30 USPTO granted patents and 2 published patent applications, primarily in Toner Development. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2010-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Kikawa. Retrieved from https://idiyas.com/inventor/keiichi-kikawa

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

Calculating rank
USPTO Granted Patents = 30 

% Patents Active = 26.7

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 59(Granted Patents)


Location History:

  • Osaka, JP (2010 - 2016)
  • Sakai, JP (2010 - 2023)

Company Filing History:


Years Active: 2010-2023

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Areas of Expertise:
Toner
Two-Component Developer
Image Formation
Capsule Toner
Manufacturing Method
Electrostatic Development
Resin Particles
Aggregate Particles
Developer Apparatus
Image Forming Device
Full-Color Toner
Functional Particle
30 patents (USPTO):Explore Patents

Title: Keiichi Kikawa: Innovator in Imaging Technology

Introduction

Keiichi Kikawa is a prominent inventor based in Osaka, Japan. With an impressive portfolio of 30 patents, he has significantly contributed to the field of imaging technology, particularly through his work in developing advanced toners and developers for printing applications.

Latest Patents

Kikawa's latest inventions include a two-component developer, a developing device, and an image forming device. The two-component developer features a carrier that meets specific voltage measurement relationships. This innovation demonstrates his focus on enhancing printing efficiency and effectiveness. Additionally, his toner consists of a crystalline polyester resin and an amorphous linear polyester resin, utilizing diethylene glycol as part of its composition. This formulation, combined with release agents like monoester wax and montan ester wax, represents a significant advancement in toner production methods.

Career Highlights

Kikawa is affiliated with Sharp Kabushiki Kaisha Corporation, where he has leveraged his expertise to drive innovation in imaging technologies. His extensive research and practical implementations have propelled the company’s offerings in this competitive sector.

Collaborations

Throughout his career, Kikawa has worked alongside notable colleagues such as Yoritaka Tsubaki and Yoshitaka Kawase. Their collaborative efforts have allowed for the sharing of ideas and technological advancements, further establishing their impact on the industry.

Conclusion

Keiichi Kikawa's contributions to the field of imaging technology exemplify the spirit of innovation. With his extensive patent portfolio and collaborative projects, he continues to influence the future of printing applications, demonstrating the vital role of inventors in shaping technological landscapes.

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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