Patents by Inventor Syoji Kinomura

Syoji Kinomura 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: 5879818
    Abstract: An alloy having an excellent corrosion resistance and workability and being suitable particularly for seamless tubes of the industrial waste incineration boiler. The alloy consists essentially of, in weight %,:______________________________________ up to 0.05% C, up to 0.5% Si, up to 0.5% Mn, up to 0.01% P 20-25% Cr, 8-12% Mo, more than 0.5% and up to 1.0% Nb, more than 15% and up to 20% Fe, up to 0.4% Al, up to 0.1% in total of rare earth metals, up to 0.01% Ca, up to 0.01% Mg, up to 0.01% B, ______________________________________and the balance Ni and incidental impurities, wherein the Fe content and the Nb content are defined so as to satisfy the following formula (a):Fe(%).gtoreq.4.times.Nb(%)+12.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: March 9, 1999
    Assignee: Sumitomo Metal Industries, Ltd.
    Inventors: Syoji Kinomura, Takao Kan, Yoshimi Yamadera