This inventor holds 1 USPTO granted patent. Top assignee: Teijin Fibers Limited. Active years: 2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2012
Title: Tetsuya Chikatsune: Innovator in Cationic Dyeable Polyester
Introduction
Tetsuya Chikatsune is a notable inventor based in Matsuyama, Japan. He has made significant contributions to the field of textile engineering, particularly in the development of cationic dyeable polyester. His innovative work has led to advancements that enhance the dyeing process and improve the strength of polyester fibers.
Latest Patents
Chikatsune holds a patent for a "Normal pressure cationic dyeable polyester and fiber." This invention addresses the need for a polyester that can be dyed under normal pressure while maintaining high strength. The polyester is characterized as a copolymerized polyester with a main repeating unit that includes ethylene terephthalate. It incorporates a metal salt of sulfoisophthalic acid and a phosphonium salt of sulfoisophthalic acid, meeting specific mathematical criteria. The copolymerized polyester has a glass transition temperature ranging from 70 to 85°C and an intrinsic viscosity between 0.55 to 1.00 dL/g. This innovation allows for the production of high-quality polyester fibers through melt spinning.
Career Highlights
Chikatsune is associated with Teijin Fibers Limited, a leading company in the textile industry. His work at Teijin has been instrumental in pushing the boundaries of polyester technology. With a focus on enhancing dyeability and fiber strength, he has contributed to the company's reputation for innovation in textile materials.
Collaborations
Chikatsune has collaborated with notable colleagues such as Kenji Kawamura and Kei Tachibana. Their combined expertise has fostered a creative environment that encourages the development of groundbreaking textile solutions.
Conclusion
Tetsuya Chikatsune's contributions to the field of cationic dyeable polyester exemplify the spirit of innovation in textile engineering. His patent for a normal pressure cationic dyeable polyester showcases his commitment to enhancing the quality and functionality of polyester fibers. Through his work at Teijin Fibers Limited, he continues to influence the textile industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile