Patents by Inventor Kouji Higashibata

Kouji Higashibata 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).

  • Y-Ba-Cu-O superconductor for containing antimony or boron to increase current density
    Patent number: 4959348
    Abstract: A superconductor essentially comprises a three-component metallic oxide including yttrium, barium, and copper (Y-Ba-Cu three-component metallic oxide) and an oxide of an element having a melting point lower than that of the three-component metallic oxide and having 0.1 to 5.0 wt % in form of the oxide thereof. The element is preferably of bismuth, antimony, boron, lead, and praseodymium.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: September 25, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kouji Higashibata, Hironori Suzuki