Patents by Inventor Hyun Gon Choo

Hyun Gon Choo 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: 8544102
    Abstract: Provided are an interoperable DRM device and method thereof. The interoperable DRM device includes: an interface for communicating with a terminal that performs predetermined operations for reproducing contents; and a DRM processor for managing digital rights of the contents. The DRM processor exchanges messages with the terminal for interoperably managing the digital rights.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: September 24, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joo-Young Lee, Hyun-Gon Choo, Je-Ho Nam, Bum-Suk Choi, Jin-Woo Hong
  • Publication number: 20100242116
    Abstract: Provided are an interoperable DRM device and method thereof. The interoperable DRM device includes: an interface for communicating with a terminal that performs predetermined operations for reproducing contents; and a DRM processor for managing digital rights of the contents. The DRM processor exchanges messages with the terminal for interoperably managing the digital rights.
    Type: Application
    Filed: April 17, 2008
    Publication date: September 23, 2010
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun-Gon Choo, Je-Ho Nam, Bum-Suk Choi, Jin-Woo Hong
  • Publication number: 20090044241
    Abstract: Provided is a contents protection and management system including: a contents processing server for providing a service subscriber with contents and producing information for protection and management of the content; a DRM tool server for managing tools used in the contents processing server and the subscriber terminal to process the content; and a license server for managing the subscriber's right to the content.
    Type: Application
    Filed: October 12, 2005
    Publication date: February 12, 2009
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sang Hyun Joo, Bum Suk Choi, Hyun Gon Choo, Young Bae Byun, Je Ho Nam, Jin Woo Hong