Patents by Inventor Hatsuo Kawaguti

Hatsuo Kawaguti 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).

  • Casting alloy resistant to corrosion and wear at elevated temperatures
    Patent number: 4532105
    Abstract: A high temperature corrosion-resistant and wear-resistant casting alloy used for preparing rotatory cylinder of glass fibers spinning, which consists essentially of 0.08 to 0.8% of C, 15 to 35% of Cr, 1 to 5.5% of W, 0.10 to 0.25% of Ti, 0.10 to 0.25% of Zr, about 1% of Nb, and the remainder constituted by Ni and impurities unavoidably carried into the alloy.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: July 30, 1985
    Assignees: Shinokoku Steel Corporation, Nitto Boseki Co., Ltd., Paramount Glass Mfg., Co., Ltd.
    Inventors: Saburo Kunioka, Kiwamu Okuma, Tsunehiro Haga, Hatsuo Kawaguti