Patents by Inventor Tatsuya Yoshino

Tatsuya Yoshino 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).

  • Cooling system having a plurality of cooling stages in which refrigerant-filled chamber type refrigerators are used
    Patent number: 5711157
    Abstract: A superconducting magnet apparatus comprises a superconducting coil unit, and a refrigerant-filled chamber type refrigerator having a plurality of cooling stages. At least a final cooling stage of the cooling stages includes a static-type refrigerant-filled chamber and is associated with the superconducting coil unit, and at least a first cooling stage of the cooling stages includes a movable-type refrigerant-filled chamber.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: January 27, 1998
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasumi Ohtani, Masahiko Takahashi, Hideo Hatakeyama, Rohana Chandratilleke, Toru Kuriyama, Hideki Nakagome, Takayuki Kobayashi, Tomomi Hattori, Tatsuya Yoshino
  • Cooling system having plural cooling stages in which refrigerate-filled chamber type refrigerators are used
    Patent number: 5647218
    Abstract: A cooling apparatus comprises a main refrigerator having a refrigerant-filled chamber, a sub-refrigerator connected parallel to the main refrigerator and having a refrigerant-filled chamber, switch control means for controlling the switching operation between the supply of a refrigerant used in the main refrigerator to the sub-refrigerator, and the stop of the supply of the refrigerant, on the basis of predetermined conditions.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: July 15, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Toru Kuriyama, Yasumi Ohtani, Rohana Chandratilleke, Tatsuya Yoshino, Takayuki Kobayashi