Patents by Inventor Toshihiro Iida

Toshihiro Iida 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).

  • Surface-coated cemented carbide article or part
    Patent number: 4720437
    Abstract: A cemented carbide article or part having a hard coating excellent in heat shielding effect and initial wear resistance is described in which the hard coating comprises an inner layer of TiC and an outer layer of TiC, and an intermediate layer, provided between the inner layer and outer layer, consisting of at least one layer selected from the group consisting of a single layer of TiN and a composite layer with such a structure that a TiN layer is sandwiched in between TiCN layers.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: January 19, 1988
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Masuo Chudo, Toshio Nomura, Toshihiro Iida