Patents by Inventor Nobuo Suda

Nobuo Suda 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: 5196163
    Abstract: A corrosion resistant zirconium alloy for use as a nuclear reactor cladding material. This alloy consists essentially of, on a weight % basis 0.02-1.7 % Sn, 0.19-0.6% Fe, 0.07-0.4% Cr, 0.01-0.2% Ta, and optionally 0.05 up to less than 0.5% Nb, the balance being Zr and incidental impurities, provided that the content of the nitrogen in the form of incidental impurities is no more than 60 ppm.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: March 23, 1993
    Assignee: Mitsubishi Materials Corporation
    Inventors: Yutaka Matsuo, Yoshitaka Suda, Nobuo Suda, Takeshi Isobe, Kazuyosi Adachi
  • Patent number: 4963323
    Abstract: A corrosion resistant zirconium alloy for use as a nuclear reactor cladding material. This alloy consists essentially of, on a weight % basis 0.02-1.15% Sn, 0.19-0.6% Fe, 0.07-0.4% Cr, and optionally 0.05 to not more than 0.5% Nb, the balance being Zr and incidental impurities, provided that the content of the nitrogen in the form of incidental impurities is no more than 60 ppm.
    Type: Grant
    Filed: January 20, 1989
    Date of Patent: October 16, 1990
    Assignee: Mitsubishi Kinzoku Kabushiki Kaisha
    Inventors: Yutaka Matsuo, Yoshitaka Suda, Nobuo Suda