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For the Inventor, By the Inventor

Abiko, Japan

Koichiroh Katoh

This inventor holds 4 USPTO granted patents. Top assignees: Agency of Industrial Science and Technology, Japan as Represented by Director Science and Technology, Nippon Petrochemicals Company, Limited. Active years: 1989-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichiroh Katoh. Retrieved from https://idiyas.com/inventor/koichiroh-katoh

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 = 100.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 37(Granted Patents)


Location History:

  • Abilo, JP (1991)
  • Abiko, JP (1989 - 1993)

Company Filing History:

goldMedal3 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
silverMedal1 out of 1 
 
Japan as Represented by Director Science and Technology
 patent
bronzeMedal1 out of 327 
 
Nippon Petrochemicals Company, Limited
 patents
4. 1 out of 6,964 
 
Sumitomo Chemical Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1989-1993

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4 patents (USPTO):Explore Patents
1. 5200122 - Surface activating method for thermoplastic resin molded articles (1993-04-06),
2. 5077082 - Method of treating surface of shaped body formed of polypropylene resin (1991-12-31),
3. 5059447 - Method for the acitivation of a surface of a shaped body formed of a (1991-10-22),
4. 4853253 - Method of activating surface of shaped body formed of synthetic organic (1989-08-01),

Title: Koichiroh Katoh: Innovator in Thermoplastic Resin Technology

Introduction

Koichiroh Katoh is a notable inventor based in Abiko, Japan. He has made significant contributions to the field of thermoplastic resin technology, holding a total of 4 patents. His work focuses on methods that enhance the properties and applications of polypropylene resin.

Latest Patents

Among his latest patents is a surface activating method for thermoplastic resin molded articles. This innovative method involves treating the surface of shaped bodies formed from polypropylene resin. The process includes several steps designed to improve the surface characteristics of these materials, making them more suitable for various applications.

Career Highlights

Koichiroh Katoh has held prominent positions throughout his career. He served as the Director-General of the Agency of Industrial Science and Technology in Japan. His leadership in this role has contributed to advancements in industrial science and technology within the country.

Collaborations

Throughout his career, Katoh has collaborated with esteemed colleagues, including Motomi Nogiwa and Yoshiharu Iwasaki. These partnerships have fostered innovation and development in their respective fields.

Conclusion

Koichiroh Katoh's contributions to thermoplastic resin technology and his leadership in industrial science highlight his importance as an inventor. His work continues to influence advancements in material science and engineering.

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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