Patents by Inventor Ki Il RYU

Ki Il RYU 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, APPARATUS AND SYSTEM FOR MANAGING ELECTRONIC FINGERPRINT OF ELECTRONIC FILE
    Publication number: 20200278948
    Abstract: A method of managing an electronic fingerprint of an electronic file includes receiving an original electronic fingerprint of an original electronic file from an original electronic file generation apparatus generating the original electronic file via a network, separately from the original electronic file; receiving original storage path information of the original electronic file together with the original electronic fingerprint from the original electronic file generation apparatus; and receiving at least one of a first identifier of the original electronic file generation apparatus and original meta information of the original electronic file together with the original electronic fingerprint from the original electronic file generation apparatus.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 3, 2020
    Applicants: 4DREAM CO., LTD., HANWHA TECHWIN CO., LTD.
    Inventors: Won Kug KIM, Ki Il RYU, Jin Kyo SHIN, Kwang Rae KIM