Patents by Inventor Gennosuke Tenmyo

Gennosuke Tenmyo 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).

  • Steel resistant to intergranular stress corrosion cracking
    Patent number: 4054447
    Abstract: A steel resistant to intergranular stress corrosion cracking having the composition: C up to 0.20%, Si 0.05 - 0.80%, Mn 0.30 - 1.50%, P up to 0.03%, S up to 0.03%, Al (sol. Al) 0.05 - 0.25%, Zr 0.03 - 0.20%, the balance being iron and unavoidable impurities. Another intergranular stress corrosion cracking resisting steel is disclosed which contains one or both of 0.10 - 0.30% Cr and 0.10 - 0.50% Ni in addition to the composition of the first-mentioned steel.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: October 18, 1977
    Inventors: Gennosuke Tenmyo, Masayuki Tanimura, Toshio Nakazawa