Takarazuka, Japan

Kojiro Matsumoto

This inventor holds 7 USPTO granted patents. Top assignee: Sumitomo Naugatuck Co., Ltd.. Active years: 1976-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kojiro Matsumoto. Retrieved from https://idiyas.com/inventor/kojiro-matsumoto

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 6

Forward Citations = 60(Granted Patents)


Location History:

  • Takarazuka, JA (1976)
  • Takarazuka, JP (1978 - 1984)

Company Filing History:


Years Active: 1976-1984

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7 patents (USPTO):Explore Patents

Title: Innovations of Kojiro Matsumoto

Introduction

Kojiro Matsumoto is a notable inventor based in Takarazuka, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of advanced coating compositions and copolymers. With a total of seven patents to his name, Matsumoto's work has had a considerable impact on various industrial applications.

Latest Patents

Matsumoto's latest patents include a paper coating composition and its production. This innovative coating composition comprises a mineral pigment and a polymer latex prepared through emulsion polymerization. The formulation involves a specific weight proportion of aliphatic conjugated diene monomer, ethylenically unsaturated carboxylic acid monomer, and monoolefinic monomer, utilizing carbon tetrachloride and an alkylmercaptan as chain transfer agents. Another significant patent focuses on the process for preparing copolymers that include α-alkyl styrene and unsaturated nitrile. This improved process enhances the thermal resistance of the resulting copolymer while minimizing the amount of unreacted monomers.

Career Highlights

Kojiro Matsumoto is currently associated with Sumitomo Naugatuck Co., Ltd., where he continues to innovate and develop new materials. His expertise in polymer chemistry has positioned him as a key figure in his field, contributing to advancements that benefit various industries.

Collaborations

Matsumoto has collaborated with notable coworkers such as Hiroyuki Minematsu and Tadashi Saeki. Their combined efforts have led to the successful development of innovative products and processes in polymer technology.

Conclusion

Kojiro Matsumoto's contributions to polymer chemistry and his innovative patents demonstrate his significant role as an inventor. His work continues to influence the industry, showcasing the importance of research and development in creating advanced materials.

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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