Patents by Inventor Yukiko Kitagawa

Yukiko Kitagawa 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).

  • Agents for and methods of processing synthetic fibers
    Patent number: 6143038
    Abstract: An agent containing a polyether compound, a straight-chain polyether modified polyorganosiloxane of a specified kind and an ionic surfactant at specified ratios are applied at a specified rate to synthetic fibers subjected to a heat treatment such as false twisting.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: November 7, 2000
    Assignee: Takemoto Yushi Kabushiki Kaisha
    Inventors: Hisao Yamamoto, Fumihiko Kimura, Masahiro Nagaya, Yukiko Kitagawa