Chigasaki, Japan

Fumio Sodeyama

This inventor holds 2 USPTO granted patents. Top assignee: Nippon Oil Fats Co., Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Sodeyama. Retrieved from https://idiyas.com/inventor/fumio-sodeyama

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 = 5.5

ph-index = 2

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1989

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2 patents (USPTO):Explore Patents

Title: Fumio Sodeyama: Innovator in Primer Compositions

Introduction

Fumio Sodeyama is a notable inventor based in Chigasaki, Japan. He has made significant contributions to the field of primer compositions, particularly in applications for vehicle bodies. With a total of 2 patents, Sodeyama's work has garnered attention for its innovative approaches to material science.

Latest Patents

Sodeyama's latest patents focus on primer compositions that are usable for both steel and plastic sheets in vehicle bodies. The first patent describes a primer composition that consists of a component A, which is a resin obtained by graft-polymerizing a styrene-butadiene-styrene block copolymer or its hydrogenated polymer with α,β-unsaturated carboxylic acid or its anhydride. This composition also includes a component B, which is a crosslinking agent, and a component C, which is an epoxy compound. The patent specifies particular weight ratios as solid content of component A to component B and components A+B to component C. The second patent similarly describes a primer composition that mainly consists of a polycaprolactone graft polymer obtained by graft-polymerizing a styrene-butadiene-styrene block copolymer or its hydrogenated polymer with a ring-opened polymer of ε-caprolactone. This composition has a grafting ratio of the ring-opened polymer within a range of 0.5 to 50% by weight.

Career Highlights

Fumio Sodeyama is currently employed at Nippon Oil Fats Co., Ltd., where he continues to innovate in the field of materials for automotive applications. His work has been instrumental in developing advanced primer compositions that enhance the durability and performance of vehicle bodies.

Collaborations

Sodeyama has collaborated with notable coworkers such as Shosaku Yamamoto and Kazuo Kakinuma. Their combined expertise has contributed to the successful development of innovative products in the industry.

Conclusion

Fumio Sodeyama's contributions to primer compositions reflect his dedication to innovation in material science. His patents demonstrate a commitment to improving the quality and functionality of automotive 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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