Hiroshima, Japan

Koichiro Sanefuji

This inventor holds 4 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Mitsubishi Chemical Corporation, Mitsubishi Rayon Company, Limited. Active years: 2010-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichiro Sanefuji. Retrieved from https://idiyas.com/inventor/koichiro-sanefuji

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 75.0

 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Hiroshima, JP (2010 - 2018)
  • Otake, JP (2019)
  • Tokyo, JP (2022)

Company Filing History:


Years Active: 2010-2022

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4 patents (USPTO):Explore Patents

Title: Koichiro Sanefuji: Innovator in Fluorine-Based Materials

Introduction

Koichiro Sanefuji is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of materials science, particularly in the development of fluorine-based compositions. With a total of four patents to his name, Sanefuji's work has had a considerable impact on various industrial applications.

Latest Patents

Sanefuji's latest patents include a range of innovative materials. One of his patents focuses on a resin composition that includes 40 to 99% by mass of a fluorine-based resin and 1 to 60% by mass of a matting agent. This composition is designed to achieve a swell ratio under specific conditions. Another patent involves a thermoplastic resin composition aimed at suppressing gum formation during the manufacturing of matte fluororesin molded articles. Additionally, he has developed a matte film molded from these thermoplastic resin compositions, which showcases excellent matte properties and chemical resistance.

Career Highlights

Throughout his career, Koichiro Sanefuji has worked with prominent companies such as Mitsubishi Chemical Corporation and Mitsubishi Rayon Company, Limited. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to innovative projects.

Collaborations

Sanefuji has collaborated with notable coworkers, including Shinji Makino and Tsuyoshi Nakagawa. These partnerships have likely enhanced his research and development efforts in the field of fluorine-based materials.

Conclusion

Koichiro Sanefuji's contributions to the field of materials science, particularly through his patents on fluorine-based compositions, highlight his innovative spirit and dedication to advancing technology. His work continues to influence various industries, showcasing the importance of research and development in creating new 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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