Kamakura, Japan

Atsushi Takei

This inventor holds 11 USPTO granted patents and 1 EPO patent. Top assignee: Denka Company Limited. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Takei. Retrieved from https://idiyas.com/inventor/atsushi-takei-snr670qw

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 3.2

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Isesaki, JP (2017 - 2018)
  • Kanagawa, JP (2023)
  • Kamakura, JP (2019 - 2024)

Company Filing History:


Years Active: 2017-2025

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11 patents (USPTO):Explore Patents

Title: Innovations by Atsushi Takei

Introduction

Atsushi Takei is a prominent inventor based in Kamakura, Japan. He has made significant contributions to the field of materials science, particularly in the development of fibers for artificial hair and hair accessory products. With a total of 11 patents to his name, Takei's work showcases his dedication to innovation and quality.

Latest Patents

Among his latest patents, Takei has developed a fiber for artificial hair that contains a specific composition of vinyl chloride-based resin and vinyl-based copolymer resin. This fiber is designed to meet precise performance criteria, including a loss tangent value at 70° C. and specific temperature characteristics. Another notable patent involves a fiber for artificial hair formed from a polyvinyl chloride-based resin composition, which also adheres to strict dynamic viscoelasticity measurement conditions.

Career Highlights

Takei is currently associated with Denka Company Limited, where he continues to push the boundaries of innovation in material development. His work has not only advanced the field but has also set new standards for quality in artificial hair products.

Collaborations

Throughout his career, Takei has collaborated with notable colleagues, including Atsushi Horihata and Masashi Kume. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Atsushi Takei's contributions to the field of artificial hair fibers exemplify the spirit of innovation. His patents reflect a commitment to quality and performance, making him a significant figure in materials science.

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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