Patents by Inventor Shigeki Okunishi

Shigeki Okunishi 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).

  • Carbon member having a metal spray coating
    Patent number: 5695883
    Abstract: A carbon member having an excellent bonding property is provided at its surface with a metal spray coating layer, and comprises a carbon substrate and a spray coating layer made from at least one metal selected from Cr, Ti, V, W, Mo, Zr, Nb and Ta or an alloy thereof, in which the coating layer has a ratio of linear expansion coefficient to carbon of 0.73-1.44 and a large chemical affinity to carbon at its interface.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: December 9, 1997
    Assignees: Tocalo Co., Ltd., Toyo Tanso Co., Ltd.
    Inventors: Yoshio Harada, Junichi Takeuchi, Shigeki Okunishi, Tetsuro Tojo, Jiro Hiraiwa, Koji Kuroda