Patents by Inventor Takao Ishizaka

Takao Ishizaka 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).

  • Superconducting magnet and method of manufacture thereof
    Patent number: 4640005
    Abstract: A superconducting magnet, applied for a train side permanent magnet for a magnetically levitated train as one embodiment of the invention, comprises a coil structure including a superconducting wire wound into a form of a race track and impregnated with epoxy resin, an annular vessel member accommodating the coil structure, and a spacing member rigidly mounted in the vessel member so as to divide the interior thereof into first and second spaces. The coil structure is securely sealed in the first space, and the second space constitutes a liquid helium path.
    Type: Grant
    Filed: June 12, 1984
    Date of Patent: February 3, 1987
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Susumu Mine, Takao Ishizaka
  • Superconducting magnet
    Patent number: 4549156
    Abstract: A superconducting magnet, applied for a train side permanent magnet for a magnetically levitated train as one embodiment of the invention, comprises a coil structure including a superconducting wire wound into a form of a race track and impregnated with epoxy resin, an annular vessel member accommodating the coil structure, and a spacing member rigidly mounted in the vessel member so as to divide the interior thereof into first and second spaces. The coil structure is securely sealed in the first space, and the second space constitutes a liquid helium path.
    Type: Grant
    Filed: March 31, 1982
    Date of Patent: October 22, 1985
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Susumu Mine, Takao Ishizaka