This inventor holds 4 USPTO granted patents and 1 published patent application and 5 EPO patents. Top assignees: Asahi Kasei Chemicals Corporation, Asahi Kasei Kabushiki Kaisha. Active years: 2006-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (2006 - 2012)
- Tokyo, JP (2010 - 2018)
Company Filing History:

Years Active: 2006-2018
Title: Hironori Katagawa: Innovator in Polyisocyanate Technology
Introduction
Hironori Katagawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of polyisocyanate compositions, holding a total of 4 patents. His work focuses on innovative materials that enhance the performance and characteristics of coatings.
Latest Patents
Katagawa's latest patents include a range of advanced polyisocyanate compositions. One notable invention is a polyisocyanate composition derived from an aliphatic diisocyanate unit, specifically 1,6-diisocyanatohexane. This composition features various functional groups, including isocyanurate, uretdione, uretonimine, and iminooxadiazinedione, with specific molar ratios that optimize its properties. Another significant patent involves a block polyisocyanate composition that excels in curability and drying characteristics. This composition includes a blend of aliphatic and alicyclic diisocyanates along with polyols, adhering to strict concentration and temperature conditions.
Career Highlights
Throughout his career, Hironori Katagawa has worked with notable companies such as Asahi Kasei and Asahi Kasei Chemicals Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of polyisocyanate technology.
Collaborations
Katagawa has collaborated with esteemed colleagues, including Yoshiyuki Asahina and Masakazu Yamauchi. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Hironori Katagawa is a distinguished inventor whose work in polyisocyanate compositions has led to significant advancements in coating technologies. His innovative patents and collaborations reflect his commitment to enhancing material performance in various applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile