Patents by Inventor Togru Miwata

Togru Miwata 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).

  • Patent number: 7059823
    Abstract: A molecular pump has a casing having a gas inlet port and a gas discharge port, a stator disposed within the casing, a shaft disposed in the casing concentrically with the stator, a bearing rotatably supporting the shaft for undergoing rotation relative to the stator in a preselected direction of rotation, a rotor mounted on the shaft for rotation therewith in the preselected direction of rotation, and a motor for rotationally driving the shaft. A flange is connected to the casing at the gas inlet port.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: June 13, 2006
    Assignee: BOC Edwards Technologies Limited
    Inventors: Yoshiyuki Sakaguchi, Satoshi Okudera, Hirotaka Namiki, Takashi Kabasawa, Togru Miwata