Patents by Inventor Hidehisa Watanabe

Hidehisa Watanabe 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).

  • Vehicular instrument panel polymer blend composition
    Patent number: 4740543
    Abstract: A plastic vehicular instrument panel which is excellent in impact resistance, heat resistance, fabrication efficiency and appearance. The instrument panel is formed of a plastic material comprising as main components specified crystalline propylene-ethylene block copolymer ranging from 50 to 70 weight %, specified glass fibers ranging from 20 to 30 weight %, specified ethylene-propylene copolymer rubber ranging from 15 to 20 weight %, specified pigment ranging from 2 to 5 parts by weight relative to 100 parts by weight of total of the propylene-ethylene block copolymer, the glass fiber, and the ethylene-propylene copolymer rubber.
    Type: Grant
    Filed: August 8, 1986
    Date of Patent: April 26, 1988
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yoshio Matsuno, Hidehisa Watanabe