Tokyo, Japan

Hironori Katagawa

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.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironori Katagawa. Retrieved from https://idiyas.com/inventor/hironori-katagawa

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

USPTO Granted Patents = 4 

% Patents Active = 50.0

 

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 5(Granted Patents)


Location History:

  • Yokohama, JP (2006 - 2012)
  • Tokyo, JP (2010 - 2018)

Company Filing History:


Years Active: 2006-2018

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4 patents (USPTO):Explore Patents

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.

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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