Fuji, Japan

Eiji Masuda

This inventor holds 8 USPTO granted patents and 5 EPO patents. Top assignee: Polyplastics Co., Ltd.. Active years: 1998-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Masuda. Retrieved from https://idiyas.com/inventor/eiji-masuda-kqf1xfmw

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 = 2.9

ph-index = 3

Forward Citations = 31(Granted Patents)


Location History:

  • Shizuoka, JP (1998 - 1999)
  • Fuji, JP (1999 - 2017)
  • Tokyo, JP (2017)

Company Filing History:


Years Active: 1998-2017

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8 patents (USPTO):Explore Patents

Title: Eiji Masuda: Innovator in Polyacetal Copolymer Production

Introduction: Eiji Masuda is a notable inventor based in Fuji, Japan. With a total of 8 patents to his name, he has made significant contributions in the field of polymer chemistry, specifically in the production of polyacetal copolymers. His innovative methodologies have opened new avenues for industrial applications of these materials.

Latest Patents: Eiji Masuda's latest patents include a method for producing polyacetal copolymer that introduces a high-quality polyacetal through a sophisticated polymerization process. This method involves the use of trioxane, a comonomer, and a non-volatile protonic acid within a continuous stirring/mixing machine. The process effectively vaporizes unreacted monomers while collecting the produced copolymer in a controlled environment to ensure optimal quality. Additionally, he developed a process that enhances catalyst deactivation efficiency, employing a dry-process crusher for better product yield along with a melt-kneading treatment to deactivate the polymerization catalyst.

Career Highlights: Masuda's work at Polyplastics Co., Ltd. reflects his dedication to advancing polymer technology. Over the years, he has filed numerous patents that demonstrate his focus on enhancing production techniques and material properties. His expertise in chemical engineering and innovative approaches have contributed to establishing his reputation within the industrial chemistry domain.

Collaborations: Throughout his career, Eiji Masuda has collaborated with distinguished colleagues, including Kaoru Yamamoto and Tomohiro Monma. Together, they have worked on groundbreaking projects that leverage their combined knowledge in polymer science and engineering.

Conclusion: Eiji Masuda continues to be a leading figure in the field of polyacetal copolymer production. His innovative patents and collaborative spirit highlight his commitment to advancing technology in this area. As the industry evolves, Masuda's contributions will undoubtedly inspire future innovations in material science.

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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