Urawa, Japan

Katsuo Murayama

This inventor holds 2 USPTO granted patents. Top assignee: Agency of Industrial Science and Technology. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuo Murayama. Retrieved from https://idiyas.com/inventor/katsuo-murayama

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1993

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2 patents (USPTO):Explore Patents

Title: Katsuo Murayama: Innovator in Copolymer Technology

Introduction

Katsuo Murayama is a notable inventor based in Urawa, Japan. He has made significant contributions to the field of polymer science, particularly in the development of bifunctional copolymers. With a total of 2 patents, his work focuses on innovative solutions for environmental applications.

Latest Patents

Murayama's latest patents include a styrene-divinylbenzene copolymer that possesses both amino and phosphonate groups. This bifunctional copolymer serves as an effective adsorbent for nitrate ions. The copolymer's unique structure allows it to selectively remove nitrate ions from solutions containing various anions. His second patent outlines a method for utilizing this copolymer to efficiently extract nitrate ions from contaminated solutions.

Career Highlights

Katsuo Murayama is affiliated with the Agency of Industrial Science and Technology, where he has been instrumental in advancing research in polymer applications. His innovative approaches have garnered attention in both academic and industrial circles.

Collaborations

Murayama has collaborated with esteemed colleagues such as Yoshio Sato and Yoshihiro Nakai. Their joint efforts have contributed to the advancement of polymer technology and its applications in environmental science.

Conclusion

Katsuo Murayama's work exemplifies the intersection of innovation and environmental responsibility. His contributions to copolymer technology are paving the way for more effective solutions in addressing nitrate contamination.

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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