Patents by Inventor Pu Yuehu

Pu Yuehu 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: 6246066
    Abstract: A magnetic field generator includes a movable magnetic pole pair within a stationary return yoke, modifying a magnetic field at a high speed with high precision. The magnetic field generator includes a first return yoke having a first internal volume, a magnetic pole pair with magnetic poles disposed opposite each other, disposed in the first internal volume, and movable relative to the first return yoke, and a driver for moving the magnetic pole pair within the first internal volume.
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: June 12, 2001
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Pu Yuehu