Patents by Inventor Jang Eon Kim

Jang Eon Kim 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: 7496381
    Abstract: A method of preventing unauthorized use of a user Identification module (UIM) is provided. The method comprises attaching a UIM previously used with a first communication terminal to a second communication terminal, wherein the UIM is configured to have first and second card holder verification (CHV) states; authenticating the second communication terminal and the UIM regardless of whether the UIM is in the first or the second verification states. The authenticating step may comprise determining an electronic serial number (ESN) of the second communication terminal; and comparing the ESN of the second communication terminal with an ESN of the first communication terminal.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: February 24, 2009
    Inventor: Jang Eon Kim
  • Publication number: 20040038669
    Abstract: A method of preventing unauthorized use of a user Identification module (UIM) is provided. The method comprises attaching a UIM previously used with a first communication terminal to a second communication terminal, wherein the UIM is configured to have first and second card holder verification (CHV) states; authenticating the second communication terminal and the UIM regardless of whether the UIM is in the first or the second verification states. The authenticating step may comprise determining an electronic serial number (ESN) of the second communication terminal; and comparing the ESN of the second communication terminal with an ESN of the first communication terminal.
    Type: Application
    Filed: April 3, 2003
    Publication date: February 26, 2004
    Applicant: LG Electronics Inc.
    Inventor: Jang Eon Kim