Patents by Inventor Woo S. Yang

Woo S. Yang 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: 4881917
    Abstract: A steering mechanism for a radio controlled device that employs a solenoid coil and is insensitive to frequency flucuations in a control signal. The steering mechanism includes opposing poles of a permanent magnet and a solenoid coil positioned equidistant between the poles so as to be pivotable to positions opposing each of the individual poles.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: November 21, 1989
    Assignee: ITLA Corporation
    Inventors: Katsumi Suzuki, Woo S. Yang