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For the Inventor, By the Inventor

Tomioka, Japan

Shohei Yoshimura

This inventor holds 10 USPTO granted patents. Top assignees: Japan Styrene Paper Corporation, Fujimori Kogyo Co., Ltd.. Active years: 1984-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shohei Yoshimura. Retrieved from https://idiyas.com/inventor/shohei-yoshimura

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 231(Granted Patents)


Company Filing History:

goldMedal10 out of 48 
 
Japan Styrene Paper Corporation
 patents
silverMedal1 out of 86 
 
Fujimori Kogyo Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1984-1991

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10 patents (USPTO):Explore Patents
1. 5015667 - Pre-foamed beads of polyethylene base resin (1991-05-14),
2. 4840973 - Polypropylene resin prefoamed particles (1989-06-20),
3. 4707569 - Multi-conductor cable (1987-11-17),
4. 4704239 - Process for the production of expanded particles of a polymeric material (1987-11-03),
5. 4656197 - Pre-foamed particles of polyethylene resin (1987-04-07),
6. 4600636 - Core material for an automobile bumper (1986-07-15),
7. 4504653 - Process for producing polyolefin resin particles (1985-03-12),
8. 4504601 - Process for producing pre-foamed particles of polypropylene resin (1985-03-12),
9. 4496627 - Electrical conductive foam beads and molded electrical conductive foamed (1985-01-29),
10. 4464484 - Process for producing prefoamed polymer particles (1984-08-07),

Title: The Innovative Contributions of Shohei Yoshimura

Introduction

Shohei Yoshimura is a notable inventor based in Tomioka, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polymer products. With a total of 10 patents to his name, Yoshimura's work has had a lasting impact on the industry.

Latest Patents

Yoshimura's latest patents include innovative methods for creating pre-foamed beads of polyethylene base resin. This method involves crosslinking a starting polyethylene-base resin with a density greater than 0.940 g/cm³. The resulting pre-foamed beads exhibit a crosslinking degree of 10-45% gel content, providing molded articles with excellent rigidity, dimensional accuracy, and superb dimensional stability under heat. Another significant patent involves prefoamed particles made from an ethylene/propylene random copolymer. These particles are foamed at specific temperatures, resulting in a unique crystal structure that enhances their performance.

Career Highlights

Throughout his career, Yoshimura has worked with prominent companies such as Japan Styrene Paper Corporation and Fujimori Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer technology and innovation.

Collaborations

Yoshimura has collaborated with notable colleagues, including Hideki Kuwabara and Toru Yamaguchi. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Shohei Yoshimura's contributions to the field of polymer science through his innovative patents and collaborations highlight his role as a leading inventor. His work continues to influence the industry and pave the way for future advancements in materials technology.

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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