Yokohama, Japan

Katsunori Hiroishi

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Ricoh Company, Ltd.. Active years: 1996-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsunori Hiroishi. Retrieved from https://idiyas.com/inventor/katsunori-hiroishi

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


% Patents Active = 50.0


Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Numazu, JP (1996)
  • Tokyo, JP (2004)
  • Hadano, JP (2006)
  • Yokohama, JP (2009)

Company Filing History:


Years Active: 1996-2009

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4 patents (USPTO):Explore Patents

Title: Innovations of Katsunori Hiroishi

Introduction

Katsunori Hiroishi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of thermal transfer technology. With a total of 4 patents to his name, Hiroishi's work focuses on enhancing the quality and durability of thermal transfer receivers and recording methods.

Latest Patents

Hiroishi's latest patents include a thermal transfer receiver and methods for producing and recording images. The thermal transfer receiver is designed to create transferred images that exhibit excellent solvent resistance and superior wear resistance. This invention comprises a support and a receiving layer that contains a polyethyleneimine derivative, a thermoplastic resin, and a crosslinker. Another patent details a thermal transfer recording medium that features a substrate, a separation layer containing resin and wax, and an ink layer with a colorant and a metal salt of an ethylene-methacrylic acid copolymer. This medium is intended for use in a thermal transfer recording method, resulting in high-quality recorded media and labels.

Career Highlights

Katsunori Hiroishi is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of thermal transfer technology. His work has been instrumental in advancing the capabilities of thermal transfer recording mediums.

Collaborations

Hiroishi has collaborated with notable colleagues such as Norio Kurisu and Hideo Aihara, contributing to the development of innovative solutions in their field.

Conclusion

Katsunori Hiroishi's contributions to thermal transfer technology have established him as a prominent inventor in Japan. His patents reflect a commitment to improving the quality and functionality of thermal transfer receivers and recording methods.

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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