Toyonaka, Japan

Shun Koizumi

This inventor holds 8 USPTO granted patents. Top assignees: Daikin Kogyo Co., Ltd., Agency of Industrial Science and Technology, Daikin Industries, Ltd.. Active years: 1976-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shun Koizumi. Retrieved from https://idiyas.com/inventor/shun-koizumi

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 = 4.3

ph-index = 5

Forward Citations = 122(Granted Patents)


Location History:

  • Toyonaka, JA (1976)
  • Toyonaka, JP (1978 - 1979)
  • Kawanishi, JP (1982 - 1988)

Company Filing History:


Years Active: 1976-1988

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8 patents (USPTO):Explore Patents

Title: Shun Koizumi: Innovator in Polymer Technology

Introduction

Shun Koizumi is a notable inventor based in Toyonaka, Japan. He has made significant contributions to the field of polymer technology, holding a total of 8 patents. His work primarily focuses on the development of advanced materials and processes that enhance the properties of polytetrafluoroethylene.

Latest Patents

Among his latest patents is an illuminating device, which showcases his innovative approach to practical applications of polymer technology. Another significant patent is a process for preparing polytetrafluoroethylene fine powder. This process involves polymerization of tetrafluoroethylene in an aqueous medium, utilizing a water-soluble polymerization initiator and a non-telogenic surfactant. The method is characterized by specific temperature conditions and the incorporation of a polymerization retarder, which extends the polymerization time significantly. The resulting colloidal polytetrafluoroethylene particles exhibit desirable properties, including a specific gravity of not more than 2.210 and an average particle size ranging from 0.1 to 0.5 micrometers.

Career Highlights

Shun Koizumi has had a distinguished career, working with prominent organizations such as Daikin Kogyo Co., Ltd. and the Agency of Industrial Science and Technology. His experience in these institutions has allowed him to refine his expertise in polymer science and contribute to various innovative projects.

Collaborations

Throughout his career, Koizumi has collaborated with esteemed colleagues, including Yutaka Kometani and Takeshi Suzuki. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.

Conclusion

Shun Koizumi's contributions to polymer technology and his innovative patents reflect his dedication to advancing material science. His work continues to influence the industry and inspire future innovations.

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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