Patents by Inventor Masayuki Tanimura

Masayuki Tanimura 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 stainless steels having excellent high temperature strength
    Patent number: 4556423
    Abstract: The high temperature mechanical strength of relatively inexpensive 18-8 stainless steel is improved by adding Cu, Co, Ti and Nb, and the decrease in the ductility caused by the addition of these elements is compensated for by addition of Mg or Y or Ca, Ce and La.
    Type: Grant
    Filed: December 29, 1982
    Date of Patent: December 3, 1985
    Assignees: Nippon Kokan Kabushiki Kaisha, Japan Atomic Energy Research Institute
    Inventors: Tatsuo Kondo, Manabu Tamura, Masayuki Tanimura, Yoshiki Kamemura
  • 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