Yokkaichi, Japan

Katsuhisa Kumazawa

This inventor holds 7 USPTO granted patents and 2 published patent applications and 5 EPO patents. Top assignee: Mitsubishi Chemical Corporation. Active years: 2011-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhisa Kumazawa. Retrieved from https://idiyas.com/inventor/katsuhisa-kumazawa

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

USPTO Granted Patents = 7 

% Patents Active = 100.0

 

Average Co-Inventor Count = 9.0

ph-index = 2

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 2011-2023

Loading Chart...
Loading Chart...
7 patents (USPTO):Explore Patents

Title: Katsuhisa Kumazawa: Innovator in Biomass-Resource-Derived Polyester

Introduction

Katsuhisa Kumazawa is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of materials science, particularly in the development of environmentally friendly resins. With a total of 7 patents to his name, his work focuses on addressing critical environmental issues.

Latest Patents

One of his latest inventions is a biomass-resource-derived polyester and its production process. This innovative resin is designed to tackle environmental problems and the depletion of fossil fuel resources. The polyester comprises a diol and a dicarboxylic acid as its constituent components, and it features a terminal acid amount of 50 equivalents per metric ton or less. This invention not only contributes to sustainability but also possesses physical properties that make it suitable for practical applications.

Career Highlights

Kumazawa is currently associated with Mitsubishi Chemical Corporation, where he continues to push the boundaries of material innovation. His work has garnered attention for its potential to revolutionize the way we approach resource management and environmental conservation.

Collaborations

Throughout his career, Kumazawa has collaborated with notable colleagues, including Takayuki Aoshima and Yasuaki Miki. These partnerships have further enhanced the impact of his research and innovations.

Conclusion

Katsuhisa Kumazawa stands out as a key figure in the development of sustainable materials. His inventions, particularly in biomass-resource-derived polyester, reflect a commitment to solving pressing environmental challenges. His contributions are paving the way for a more sustainable future.

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]
Loading…