Patents by Inventor Yusuke Minami

Yusuke Minami 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).

  • Austenite alloy tubes having excellent high temperature vapor oxidation resistant property
    Patent number: 4382829
    Abstract: The austenite alloy tube has a composition of 15.about.26% of Cr, 8.about.35% of Ni, 1.0% or less of Si, 2.0% or less of Mn and less than 0.25% of N and the balance of iron and impurities. The nitrogen content on the inner surface of the tube is at least 0.25%. If desired, one or more of 0.6% or less of Ti, 0.6% or less of Al, 3.0% or less of Mo and 1.0% or less of Nb may be incorporated.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: May 10, 1983
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Takahiro Kanero, Yusuke Minami