Patents by Inventor Do Im Chang

Do Im Chang 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).

  • Publication number: 20020138495
    Abstract: The present invention relates to a definition of a DIGITAL ITEM, a data manipulation unit for electronic commerce activities such as generation, process, transaction, transmission, management, storage or usage of multimedia data. Especially, the method for configuring a new DIGITAL ITEM using a CHOICE and a SELECTION of DIGITAL ITEMs according to present invention helps the user to avoid making duplicate selection. Moreover, since a new DIGITAL ITEM is configured by using a CONDITION that enables to pick out a SELECTION more effectively, the present invention is very useful for improving the efficiency of comparison operation and the power of expression of the CONDITION.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 26, 2002
    Applicant: LG ELECTRONICS INC.
    Inventors: Do Im Chang, Young Won Song, Yong Chul Park
  • Publication number: 20020095429
    Abstract: The present invention relates to the definition of Digital Item as the unit of manipulation of multimedia data for electronic commerce activities such as creation, mining, transaction, transfer, management, storage, consumption, etc., of multimedia data.
    Type: Application
    Filed: January 14, 2002
    Publication date: July 18, 2002
    Applicant: LG Electronics Inc.
    Inventors: Young-Won Song, Do Im Chang