Patents by Inventor Yuko Harashina

Yuko Harashina has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hygroscopic polyester copolymer, and a hygroscopic fiber made therefrom
    Patent number: 5698331
    Abstract: The present specification discloses a hygroscopic polyester copolymer with a hydrophilic compound copolymerized, containing a cross-linking agent and controlled in moisture absorbing and releasing property, and a fiber using the polyester copolymer. The fiber can be used as a comfortable material for underwear, sports wear, interlinings, etc. as highly hygroscopic woven and knitted fabrics, etc. of high quality.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: December 16, 1997
    Assignee: Toray Industries, Inc.
    Inventors: Yoshitaka Matsumura, Yuko Harashina, Tetsunori Higuchi, Tai Sasamoto