Patents by Inventor Kazue Matsuda

Kazue Matsuda 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).

  • Magnetic rotator
    Patent number: 4806020
    Abstract: A magnetic rotator designed to extend through a hole formed in a nonmagnetic container includes magnets of opposite polarities attached to the ends of rotating shafts received in two cylinders mounted face-to-face through a flange. Interposed between the rotating shafts and the cylinders are conical roll bearings of ceramics.
    Type: Grant
    Filed: September 18, 1987
    Date of Patent: February 21, 1989
    Assignee: Sendai Mechanic Kogyo Kabushiki Kaisha
    Inventor: Kazue Matsuda