Patents by Inventor Ikuo Nagase

Ikuo Nagase 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).

  • Aluminum alloy having high mechanical strength and elongation and resistant to stress corrosion crack
    Patent number: 4063936
    Abstract: An aluminum alloy having a high mechanical strength and elongation and resistant to stress corrosion cracking is disclosed which comprises 5 to 15% by weight of Zn, 0.3 to 1.5% by weight of Mg, 0.1 to 1.0% by weight of Zr, 0.1 to 1.0% by weight an alloying metal selected from the group consisting of Cu and Ag, and the remainder of Al and impurities normally present therein.
    Type: Grant
    Filed: August 26, 1976
    Date of Patent: December 20, 1977
    Assignee: Alloy Trading Co., Ltd.
    Inventors: Ikuo Nagase, Park Hee Sun