Patents by Inventor Toshio Yasuoka

Toshio Yasuoka 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).

  • Carpet having bottom portions of pile covered with carbon black containing resin
    Patent number: 4683158
    Abstract: Disclosed is a carpet having a base fabric, pile yarns tufted to the base fabric and a backing layer covering a back surface of the base fabric. The light resistance of the dyed carpet and the anti-deteriorative properties of the pile yarns can be improved by covering portions of the pile yarns which extend into the backing layer with a resinous material containing finely divided carbon black.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: July 28, 1987
    Assignee: Teijin Limited
    Inventor: Toshio Yasuoka