Patents by Inventor Keiji Osaki

Keiji Osaki 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).

  • Soft-magnetic nickel-iron-chromium alloy
    Patent number: 5158624
    Abstract: An alloy essentially consisting of 35-40% Ni, 5-14% Cr and balance Fe and unavoidable impurities has excellent alternating current magnetic characteristics and good direct current magnetic characteristics.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: October 27, 1992
    Assignee: Nisshin Steel Company Ltd.
    Inventors: Takuji Okiyama, Takuji Hara, Keiji Osaki, Yutaka Kawai