Niihama, Japan

Eiji Hosoda

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Hosoda. Retrieved from https://idiyas.com/inventor/eiji-hosoda

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

USPTO Granted Patents = 2 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2013

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2 patents (USPTO):Explore Patents

Title: Eiji Hosoda: Innovator in Liquid-Crystalline Polyester Production

Introduction

Eiji Hosoda is a notable inventor based in Niihama, Japan. He has made significant contributions to the field of polymer science, particularly in the production of liquid-crystalline polyesters. With a total of 2 patents to his name, his work has implications for various industrial applications.

Latest Patents

Eiji Hosoda's latest patents focus on innovative methods for producing liquid-crystalline polyester. The first patent describes a method that involves melt-polymerizing monomers in a reactor with a draw outlet. This process results in a polymer melt that is drawn through the outlet. The monomers used include compounds from aromatic hydroxycarboxylic acids, aromatic dicarboxylic acids, and various derivatives. The method is characterized by specific conditions, including the presence of a heterocyclic compound containing two or more nitrogen atoms and a flow initiation temperature ranging from 220 to 250°C.

The second patent also outlines a method for producing liquid-crystalline polyester. This method includes several steps: melt-polymerizing raw monomers, drawing and granulating the polymer melt, allowing solid phase polymerization, and finally extracting the solid phase polymer from the polymerization vessel. These innovations contribute to the efficiency and effectiveness of polyester production.

Career Highlights

Eiji Hosoda is currently employed at Sumitomo Chemical Company, Limited, where he continues to advance his research and development efforts. His work has positioned him as a key figure in the field of polymer technology.

Collaborations

Eiji has collaborated with notable coworkers, including Tomoya Hosoda and Masanobu Matsubara. Their combined expertise has fostered a productive environment for innovation and development in their projects.

Conclusion

Eiji Hosoda's contributions to the field of liquid-crystalline polyester production highlight his innovative spirit and dedication to advancing polymer science. His patents reflect a commitment to improving industrial processes and 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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