Patents by Inventor Yukio Otsuki

Yukio Otsuki 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).

  • Patent number: 4044217
    Abstract: There is disclosed a sliding surface working method using wire-explosion spray coating according to which the inner surface of an aluminium alloy cylinder is wire-explosion spray coated using a molybdenum wire, molybdenum-tungsten alloy wire, or tungsten wire. Next, the inner surface is alternately and repeatedly wire-explosion spray coated by alternately wire-explosion spraying a carbon steel wire and a wire of a material having good seizure resistance and wear resistance characteristics. Finally, the inner surface thus coated is ground and finished.
    Type: Grant
    Filed: May 7, 1975
    Date of Patent: August 23, 1977
    Assignees: Kawasaki Jukogyo Kabushiki Kaisha, Nippon Tungsten Co., Ltd.
    Inventors: Yukio Otsuki, Hiroyuki Matsumoto, Hiroshi Ito, Shusuke Takezaki