Patents by Inventor Kounosuke Matsumoto

Kounosuke Matsumoto 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).

  • Conjugate polycarbonate fibers and fibrous sheets made thereof
    Patent number: 3996404
    Abstract: A conjugate polycarbonate fiber comprising 95% to 50% by weight of a polycarbonate component and 5 to 50% by weight of a polypropylene component wherein ultrafine fibers composed of the polypropylene component are dispersed and arranged in a bundle-like form in the polycarbonate component as the fiber matrix, whereby the crazing resistance and oil resistance are improved. The conjugate polycarbonate fiber can be made into fibrous sheets and non-woven fabrics. The non-woven fabrics are adapted to be used as insulating layers in electric power cables.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: December 7, 1976
    Assignee: Japan Vilene Company Ltd.
    Inventors: Kounosuke Matsumoto, Tadashi Tamura, Akira Morita, Sigeru Imayasu, Toshio Nomura