Shimodate, Japan

Masami Arai

This inventor holds 4 USPTO granted patents. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 1985-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Arai. Retrieved from https://idiyas.com/inventor/masami-arai-y7m7i2jj

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 2

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1985-1995

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4 patents (USPTO):Explore Patents

Title: The Innovations of Masami Arai

Introduction

Masami Arai is a notable inventor based in Shimodate, Japan. He has made significant contributions to the field of epoxy resin technology. With a total of 4 patents to his name, Arai's work focuses on enhancing the properties and production methods of high molecular weight epoxy resins.

Latest Patents

Arai's latest patents include a method of producing high molecular weight epoxy resin using an amide. This innovative process allows for the rapid polymerization of a difunctional epoxy resin and a dihydric phenol, resulting in ultra high molecular weight epoxy resins that can be formed into films with high strength. Another significant patent is the method of producing epoxy resin film, which achieves a tensile strength of not less than 10 MPa and an elongation of not less than 5%. This is accomplished by synthesizing a substantially linear high molecular weight epoxy resin under specific conditions.

Career Highlights

Masami Arai is currently employed at Hitachi Chemical Company, Ltd. His work at this esteemed company has allowed him to develop and refine his innovative methods in epoxy resin production. Arai's contributions have been instrumental in advancing the capabilities of epoxy materials in various applications.

Collaborations

Arai has collaborated with notable coworkers, including Ikuo Hoshi and Katsuji Shibata. Their combined expertise has fostered a productive environment for innovation and development in the field of epoxy resins.

Conclusion

Masami Arai's work exemplifies the spirit of innovation in the field of materials science. His patents and contributions continue to influence the development of high-performance epoxy resins.

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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