Patents by Inventor Hiroto Kosuge

Hiroto Kosuge 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).

  • Method for joining metallic members
    Patent number: 5073693
    Abstract: A method for joining a porous metallic member and a non-porous metallic member includes by passage of an electric current after forming a dense portion on a joining surface of the porous metallic member by caving a projection provided on a joining surface of the non-porous metallic member into said porous metallic member whereby both metallic members are joined firmly without using screws or adhesives.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: December 17, 1991
    Assignee: NDC Co., Ltd.
    Inventors: Hiroyoshi Kikuchi, Hiroto Kosuge, Syunsuke Suzuki