Patents by Inventor Motoji Ikeya

Motoji Ikeya 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 preventing hydrogen embrittlement of metals and alloys
    Patent number: 4444599
    Abstract: Hydrogen, embrittlement in metals, alloys or welded portions thereof, which causes cracks, breakage and the like, is prevented by emitting an ionizing radiation to a metal, alloy or a welded portion thereof to diffuse and exhale hydrogen charged in said metal.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: April 24, 1984
    Assignee: Yamaguchi University
    Inventor: Motoji Ikeya