Patents by Inventor Takahashij Yoshitaka

Takahashij Yoshitaka 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).

  • Anti-wear sintered alloy
    Patent number: 4388114
    Abstract: An anti-wear sintered alloy comprising chrome 2.5-7.5 weight %, manganese 0.10-3.0 weight %, phosphorus 0.2-0.8 weight %, copper 1.0-5.0 weight %, silicon 0.5-2.0 weight %, molybdenum 0-3 weight %, and carbon 1.5-3.5 weight %, the balance being Fe and less than 2% impurities, and a process of manufacturing therefore.
    Type: Grant
    Filed: December 5, 1980
    Date of Patent: June 14, 1983
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Tetsuya Suganuma, Yoshio Fuwa, Shuichi Fujita, Takahashij Yoshitaka