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).

  • Patent number: 11170081
    Abstract: A system for verifying control history of an unmanned aerial vehicle according to one embodiment of the present disclosure includes an authentication unit for collecting personal information from a pilot who controls an unmanned aerial vehicle to authenticate the pilot, a storage unit storing control information regarding the pilot's control of the unmanned aerial vehicle, and an encryption unit for sealing and encrypting data of the personal information and the control information; and is capable of controlling and managing an indiscriminate use of the unmanned aerial vehicle and providing a control time, flight history, etc., to an organization which needs such information.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: November 9, 2021
    Assignee: 4DREAM CO., LTD.
    Inventors: Won-Kug Kim, Jin-Kyo Shin, Ki-Il Ryu, Kwang-Rae Kim, Haes-Sal Jeon
  • Patent number: 11130571
    Abstract: An unmanned aerial vehicle according to an embodiment of the present disclosure includes a storing part configured to store information regarding a geo-fence area, and flight approval information or shooting approval information of a main body of the unmanned aerial vehicle with respect to the geo-fence area; and a controller configured to, when the main body approaches the geo-fence area, extract approval code from the flight approval information or the shooting approval information, and release at least one of a flight mode and a shooting mode prohibited in the geo-fence area.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 28, 2021
    Assignee: 4DREAM CO., LTD.
    Inventors: Won-Kug Kim, Ki-Il Ryu, Jin-Kyo Shin
  • 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