Patents by Inventor Takumi Shimazu

Takumi Shimazu 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).

  • Linear crystalline terephthalate polyester yarn and textile goods made therefrom
    Patent number: 4209559
    Abstract: Novel polyester filamentary yarn is provided having (a) a fineness of 0.9 denier per filament or less, (b) an amorphous orientation in the range of 30% to 70% and (c) a negative .epsilon..sub.0.2 where said .epsilon..sub.0.2 is a structural integrity parameter. The yarn possesses ameliorated properties regarding a heat-setting property, a raising property, a dimensional stability and a twist resistance. The yarn finds its wide range of usage, for example, silky fabrics with an excellent fullness, pliability and liveliness, raised fabrics with thermally stabilized fluffs protruding straight-forwardly and an extremely soft hand, and uniformly creped fabrics with an improved surface contour are obtained therefrom.
    Type: Grant
    Filed: March 26, 1979
    Date of Patent: June 24, 1980
    Assignee: Teijin Limited
    Inventors: Osamu Wada, Yoshiyuki Sasaki, Shiro Kumakawa, Akio Kimura, Toshimasa Shimizu, Hiroyuki Nagai, Shunichi Takeda, Takumi Shimazu