Patents by Inventor II-Hyung Jung

II-Hyung Jung 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).

  • Billing method for telecommunication service based on fixed fee
    Publication number: 20060106736
    Abstract: Provided is a billing method for telecommunication service based on fixed fee according to user's usage time. The method includes the steps of: estimating reference time according to user's usage time of the previous term; estimating guarantee time; reading user's usage time of this term; and billing telecommunication service fare according to the reference time and the guarantee time.
    Type: Application
    Filed: October 31, 2003
    Publication date: May 18, 2006
    Applicant: KT CORPORATION
    Inventor: II-Hyung Jung