Patents by Inventor Seong-Beom Yoo

Seong-Beom Yoo 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).

  • Apparatus and method for judging deterioration of catalysts device and oxygen content sensing device
    Patent number: 5929320
    Abstract: An apparatus and a method for judging the deterioration state of a catalyst device and an oxygen content sensing device are disclosed, in which virtual signals are generated to accurately determine the deterioration state of the catalyst device and the oxygen content sensing device by utilizing theoretical oxygen content sensing signals which are calculated in accordance with the operation state of automobiles.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: July 27, 1999
    Assignee: Hyundai Motor Company
    Inventor: Seong-Beom Yoo