Osaka, Japan

Tohru Takatsuna

This inventor holds 1 USPTO granted patent. Top assignee: Kyocera Mita Corporation. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Takatsuna. Retrieved from https://idiyas.com/inventor/tohru-takatsuna

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 = 6.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Tohru Takatsuna: Innovator in Toner Technology

Introduction

Tohru Takatsuna is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of toner technology, particularly in developing products that enhance the reading experience.

Latest Patents

Takatsuna holds a patent for a toner designed to create an ink printed-like image. This innovative toner reduces eyestrain for users who read toner images for extended periods. The formulation includes main particles composed of 100 parts by weight of binder resin and 1 to 3 parts by weight of a black coloring agent dispersed within the binder resin. Additionally, the patent covers a developer that utilizes this toner and the printed materials produced with it.

Career Highlights

Tohru Takatsuna is associated with Kyocera Mita Corporation, where he has been instrumental in advancing toner technology. His work has not only improved the quality of printed images but also contributed to user comfort during prolonged reading sessions.

Collaborations

Throughout his career, Takatsuna has collaborated with talented colleagues, including Hiroaki Shiba and Takayuki Itakura. These partnerships have fostered innovation and enhanced the development of new technologies within the company.

Conclusion

Tohru Takatsuna's contributions to toner technology exemplify his commitment to improving user experience in printing. His innovative approach continues to influence the industry and enhance the quality of printed materials.

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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