Patents by Inventor Ho Jae HYUN

Ho Jae HYUN 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 for managing key in security system of multicast environment
    Patent number: 10659221
    Abstract: Provided is a method of managing keys in a security system of a multicast environment. The key managing method according to the embodiments of the present disclosure enables key management that a key renewal regarding a receiver joining or leaving a group does not affect all groups.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 19, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventor: Ho Jae Hyun
  • METHOD FOR MANAGING KEY IN SECURITY SYSTEM OF MULTICAST ENVIRONMENT
    Publication number: 20190356480
    Abstract: Provided is a method of managing keys in a security system of a multicast environment. The key managing method according to the embodiments of the present disclosure enables key management that a key renewal regarding a receiver joining or leaving a group does not affect all groups.
    Type: Application
    Filed: November 21, 2017
    Publication date: November 21, 2019
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventor: Ho Jae HYUN