Shizuoka, Japan

Toshiyasu Kawabata

This inventor holds 3 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1983-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyasu Kawabata. Retrieved from https://idiyas.com/inventor/toshiyasu-kawabata

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Sunto, JP (1983)
  • Shizuoka, JP (1985 - 1990)

Company Filing History:


Years Active: 1983-1990

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3 patents (USPTO):Explore Patents

Title: Innovations of Toshiyasu Kawabata

Introduction

Toshiyasu Kawabata is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of electrophotography, particularly in the development of toners for electrostatic imaging. With a total of 3 patents, his work has had a considerable impact on the industry.

Latest Patents

Kawabata's latest patents include innovative formulations for electrophotographic toners. One of his patents describes an electrophotographic positive charging toner that contains a copper-based pigment. This toner is designed for developing latent electrostatic images and includes a binder agent along with an epsilon-type copper phthalocyanine blue pigment, which serves as both a coloring agent and a positive polarity controlling agent. Another patent focuses on an electrophotographic toner that incorporates a triazolium compound as a charge controlling agent. This formulation consists of a binder agent and a charge controlling agent characterized by a specific chemical structure, where R1, R2, and R3 can represent various aromatic rings.

Career Highlights

Kawabata is currently employed at Ricoh Company, Ltd., a leading organization in imaging and electronics. His work at Ricoh has allowed him to explore and develop advanced technologies in the field of electrophotography. His contributions have been instrumental in enhancing the performance and efficiency of toners used in printers and copiers.

Collaborations

Throughout his career, Kawabata has collaborated with several talented individuals, including Toshiki Nanya and Hisao Murayama. These collaborations have fostered innovation and have led to the successful development of new technologies in the industry.

Conclusion

Toshiyasu Kawabata's work in the field of electrophotography has resulted in significant advancements in toner technology. His innovative patents and collaborations highlight his dedication to improving imaging solutions. His contributions continue to influence the industry and pave the way for future innovations.

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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