Patents by Inventor Seongsoo Yim

Seongsoo Yim 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).

  • System and method for purchasing and authentificating electronic tickets
    Publication number: 20030172037
    Abstract: A method and system for purchasing and authenticating an electronic ticket has a computer for receiving a ticket request from a user system and generating electronic ticket image data including a ticket identifier in response to the request; encrypting the generated electronic ticket image data and sending them to the user system; forwarding the encrypted electronic ticket image data from the user system to an associated user wireless communication terminal; which decrypts the encrypted electronic ticket image data and displays it on the screen of the terminal; and a computer which checks the validity of the ticket by reading the electronic ticket image data displayed on the screen of the terminal.
    Type: Application
    Filed: December 13, 2002
    Publication date: September 11, 2003
    Applicant: International Business Machines Corporation
    Inventors: Changwoo Jung, Seongsoo Yim, Jaekeun Lee