Patents by Inventor Kwon Ja Seong

Kwon Ja Seong 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).

  • Method of conducting an emu payment process using irfm
    Publication number: 20040236672
    Abstract: The present invention relates to a method of conducting an EMV (Europay Master Visa) payment process optimally using IrFM (Infrared Financial Messaging) between a mobile terminal and a POS (Point Of Sale) terminal. In the present method, if a buyer is authenticated based on information written in a card chip installed in a mobile terminal, information for transaction approval is transmitted to a POS terminal, and if an approval is responded from the POS terminal, a digital receipt for this transaction is transmitted to the POS terminal. Then, if transaction end is requested from the POS terminal, a connected session is released.
    Type: Application
    Filed: July 2, 2004
    Publication date: November 25, 2004
    Inventors: Eun Su Jung, Kwon Ja Seong, Jong Sung Park, Chang Ho Choi