Patents by Inventor Shujiro Oki

Shujiro Oki 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).

  • Fiber reinforced magnesium alloy
    Patent number: 5077138
    Abstract: A composite material having heat resistance at elevated temperatures and excellent mechanical properties to be used for parts of automotive vehicles, especially for pistons, machine parts or aerospace materials is composed of fiber reinforced magnesium alloy as a matrix having a composition of magnesium alloy containing up to 2 to 15 wt %, but preferably 4 to 7 wt % of neodymium or corresponding amount of neodymium-type metals, for example, didymium containing at least 70 wt % of neodymium. The composite material is composed of 70 to 95 vol % of the matrix and 30 to 5 vol % of short alumina fibers as the reinforcement.
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: December 31, 1991
    Assignees: Nissan Motor Company, Limited, Ube Industries, Ltd.
    Inventors: Harumichi Hino, Mikiya Komatsu, Yoshikazu Hirasawa, Shujiro Oki, Yoshitaka Ueda