Patents by Inventor Sung Byum Lee

Sung Byum Lee 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).

  • Speed control apparatus and method for electric car
    Patent number: 5726544
    Abstract: A speed control apparatus and method for an electric car serving to aid driving and producing alarm signal if one of variable resistors, which are installed in an accelerator pedal, is out of order.
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: March 10, 1998
    Assignee: Hyundai Motor Company
    Inventor: Sung Byum Lee