Ichihara, Japan

Tsuyoshi Takei

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2000-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Takei. Retrieved from https://idiyas.com/inventor/tsuyoshi-takei

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 26(Granted Patents)


Location History:

  • Chiba, JP (2000)
  • Ichihara, JP (2004)

Company Filing History:


Years Active: 2000-2004

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2 patents (USPTO):Explore Patents

Title: Tsuyoshi Takei: Innovator in Thermoplastic Elastomer Technology

Introduction

Tsuyoshi Takei is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of thermoplastic elastomers, holding a total of 2 patents. His work focuses on innovative methods and compositions that enhance the properties and applications of these materials.

Latest Patents

Among his latest patents is a method for producing thermoplastic elastomer powder. This patent details a copolymer composition that includes a random copolymer comprising ethylene, an alpha-olefin, and a branched conjugated polyvalent olefin. The copolymer is characterized by specific inequalities related to the components' molar percentages and iodine value. Additionally, it specifies the intrinsic viscosity and molecular weight distribution, ensuring the copolymer meets stringent performance criteria.

Career Highlights

Tsuyoshi Takei is currently employed at Sumitomo Chemical Company, Limited, where he continues to push the boundaries of material science. His expertise in thermoplastic elastomers has positioned him as a key player in the industry, contributing to advancements that benefit various applications.

Collaborations

Throughout his career, Takei has collaborated with notable colleagues, including Hikaru Shimizu and Hirofumi Johoji. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

In summary, Tsuyoshi Takei is a dedicated inventor whose work in thermoplastic elastomers has led to valuable patents and advancements in material technology. His contributions continue 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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