Patents by Inventor Mituo Horikawa

Mituo Horikawa 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).

  • Cryogenic refrigeration apparatus
    Patent number: 5018359
    Abstract: In a cryogenic refrigeration apparatus includes a thermal shield, a vacuum vessel and a magnetic shield which are telescopically arranged in that order toward the exterior of a cryogenic vessel which accommodates a superconducting coil, a refrigerator for cooling the thermal shield is securely supported on the thick-walled magnetic shield. Accordingly, vibration produced by the refrigerator is suppressed by the magnetic shield, whereby noise is suppressed which is produced in the vacuum vessel connected to the magnetic shield through a bellows.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: May 28, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mituo Horikawa, Kazuki Moritsu