Patents by Inventor Mituo Ushida

Mituo Ushida 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).

  • Weather resisting extruded rubbery articles having on the surface thereof a thin layer of a colored rubbery material
    Patent number: 4442167
    Abstract: A weather-resisting extruded rubbery article based on carbon black-incorporated EPDM rubber substrate having on the surface thereof a thin layer of a colored rubbery material of a smooth or suede-like appearance integrally formed on the substrate by extrusion molding, characterized in that the colored rubbery material has been derived from 75-0% by weight of EPDM and 25-100% by weight of a graft copolymer of EPDM and vinyl chloride together with one or more coloring fillers.
    Type: Grant
    Filed: June 29, 1982
    Date of Patent: April 10, 1984
    Assignee: Toyoda Gosei Kabushiki Kaisha
    Inventors: Tadanobu Iwasa, Mituo Ushida