Sawa, Japan

Hiroshi Nakajima

This inventor holds 2 USPTO granted patents. Top assignee: Showa Highpolymer Co., Ltd.. Active years: 1993-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nakajima. Retrieved from https://idiyas.com/inventor/hiroshi-nakajima-spuwnslm

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 = 2.4

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1993-1995

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2 patents (USPTO):Explore Patents

Title: Innovations by Hiroshi Nakajima

Introduction

Hiroshi Nakajima is a notable inventor based in Sawa, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of advanced resin compositions. With a total of two patents to his name, Nakajima's work has implications for various industrial applications.

Latest Patents

Hiroshi Nakajima's latest patents include a thermo-curable resin composition and a method for producing aromatic polyamide oligomers. The method involves heating and reacting an aromatic diisocyanate, an aromatic dicarboxylic acid, and an unsaturated compound capable of reacting with the aromatic diisocyanate. The resulting aromatic polyamide oligomers exhibit excellent molding processability and serve as raw materials for thermosetting polyamides. These materials are characterized by enhanced mechanical strength and chemical stability at elevated temperatures. Furthermore, compositions that include these oligomers and maleimide derivatives yield cured molded bodies with exceptional heat resistance.

Career Highlights

Hiroshi Nakajima is associated with Showa Highpolymer Co., Ltd., where he continues to innovate in the field of polymer materials. His work has been instrumental in advancing the capabilities of thermosetting resins, which are crucial for various applications in manufacturing and engineering.

Collaborations

Some of his notable coworkers include Tadayuki Hosogane and Eiichiro Takiyama, who have collaborated with Nakajima on various projects within the company.

Conclusion

Hiroshi Nakajima's contributions to polymer chemistry through his patents and work at Showa Highpolymer Co., Ltd. highlight his role as a key innovator in the field. His advancements in resin compositions are paving the way for improved materials with enhanced properties.

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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