Patents by Inventor Mitsu Kase

Mitsu Kase 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: 4806811
    Abstract: A miniature motor having a cup-shaped cylindrical motor case fitted with a plurality of motor mounting holes and a bearing on the closed end face thereof, and a rotor rotatably supported at one end of the shaft thereof in the motor case by the bearing provided on the closed end face of the motor case, a motor mounting portion is provided around motor mounting holes in a raised fashion from the closed end of the motor case so that the surface of the motor mounting portion intersects with the shaft at substantially 90 degrees. Also, a miniature motor in which the surface of the motor mounting portion is ground and polished is disclosed.
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: February 21, 1989
    Assignee: Mabuchi Motor Co. Ltd.
    Inventors: Etsuo Mayumi, Michio Hoshino, Mitsu Kase