Tokyo, Japan

Masayuki Nagumo

This inventor holds 2 USPTO granted patents. Top assignee: Kyowa Hakko Kogyo Co., Ltd.. Active years: 1976-1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Nagumo. Retrieved from https://idiyas.com/inventor/masayuki-nagumo-dp2eonl2

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 = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1976-1977

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2 patents (USPTO):Explore Patents

Title: Masayuki Nagumo: Innovator in Resinous Materials

Introduction

Masayuki Nagumo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of novel resinous materials. With a total of 2 patents to his name, Nagumo's work focuses on improving the properties of textiles, especially polyester.

Latest Patents

Nagumo's latest patents include a method for preparing a novel compound, specifically a resinous material. This method involves allowing an epoxy compound to react with ammonium salt or a metal salt of polyglutamic acid. The resulting reaction product is particularly useful for treating shaped materials, enhancing their appearance and handling characteristics. Additionally, he has developed a process for providing a wooly finish on polyester textiles. This process involves treating textiles in a bath of an emulsified mixed solution of an epoxy compound and a metal salt of polyglutamic acid, followed by heat treatment after pre-drying.

Career Highlights

Masayuki Nagumo is associated with Kyowa Hakko Kogyo Co., Ltd., where he continues to innovate in the field of resinous materials. His work has garnered attention for its practical applications in the textile industry, particularly in enhancing the quality of polyester fabrics.

Collaborations

Nagumo has collaborated with notable coworkers such as Yasuo Fujimoto and Keizo Tatsukawa. Their combined expertise has contributed to the advancement of their projects and the successful development of innovative materials.

Conclusion

Masayuki Nagumo's contributions to the field of resinous materials demonstrate his commitment to innovation and improvement in textile technology. His patents reflect a deep understanding of material properties and their applications, making him a valuable figure in the industry.

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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