Patents by Inventor Katuma Shinagawa

Katuma Shinagawa 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).

  • Patent number: 4792662
    Abstract: A sheet electrical heating element comprising warp yarns which are constituted of a plurality of warp electrically conductive yarns disposed at predetermined intervals and a plurality of warp electrically non-conductive yarns, one or more of which are arranged in each of said intervals of the warp electrically conductive yarns; and weft yarns which are constituted of a plurality of adjacent weft electrically non-conductive yarns and a weft woven electrode of predetermined length in the warp direction. The woven electrode is constituted of weft electrically conductive yarns forming fancy twill weave together with the warp yarns so that the texture may be loose and flexible.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: December 20, 1988
    Assignee: Daikin Industries, Ltd.
    Inventors: Hiroshi Kitagaki, Seiichi Takagawa, Katuma Shinagawa