Tokyo, Japan

Toru Katsumata

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Asahi Kasei Kabushiki Kaisha. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Katsumata. Retrieved from https://idiyas.com/inventor/toru-katsumata-fnxpl1gf

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

Calculating rank
USPTO Granted Patents = 2 

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2026

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2 patents (USPTO):Explore Patents

Title: The Innovations of Toru Katsumata

Introduction

Toru Katsumata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of pharmaceuticals, particularly through his innovative work with hyaluronic acid derivatives. With a total of 2 patents to his name, Katsumata continues to push the boundaries of medical science.

Latest Patents

Katsumata's latest patents include a hyaluronic acid derivative and a pharmaceutical composition. The first patent presents a hyaluronic acid derivative that incorporates a steryl group, characterized by a weight-average molecular weight to number-average molecular weight ratio of 1.11 or more and 10.0 or less. The second patent details a hyaluronic acid derivative composition that consists of a hyaluronic acid derivative with a steryl group and a polar group-containing compound. This composition is designed to enhance the efficacy of pharmaceutical applications by conjugating one or more drugs to the hyaluronic acid derivative.

Career Highlights

Katsumata is associated with Asahi Kasei Kabushiki Kaisha, a leading company in the chemical and pharmaceutical industry. His work has been instrumental in developing new therapeutic solutions that leverage the unique properties of hyaluronic acid.

Collaborations

Throughout his career, Katsumata has collaborated with notable colleagues, including Yoshiyuki Nakagawa and Kohei Yabuuchi. These partnerships have fostered a creative environment that encourages innovation and the advancement of medical technologies.

Conclusion

Toru Katsumata's contributions to the field of pharmaceuticals through his patents on hyaluronic acid derivatives exemplify his commitment to innovation. His work not only enhances the understanding of drug delivery systems but also paves the way for future advancements in medical treatments.

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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