Patents by Inventor Sam Ryong Jang

Sam Ryong Jang 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: 9407857
    Abstract: Protection against unauthorized copying of digital media content is achieved by receiving information from a client device related to its storing function used to store digital media content that is to be sent to the client device; and performing a procedure to protect against unauthorized copying of the digital media content if the client device is able to store the digital media content using its storing function.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: August 2, 2016
    Assignee: CDNetworks Co., Ltd
    Inventors: Young Jun Bang, Jun Sik Park, Jung Eun Kim, Sam Ryong Jang, Yun Geun Lee
  • Publication number: 20090064347
    Abstract: Protection against unauthorized copying of digital media content is achieved by receiving information from a client device related to its storing function used to store digital media content that is to be sent to the client device; and performing a procedure to protect against unauthorized copying of the digital media content if the client device is able to store the digital media content using its storing function.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 5, 2009
    Applicant: CDNETWORKS CO., LTD.
    Inventors: Young Jun Bang, Jun Sik Park, Jung Eun Kim, Sam Ryong Jang, Yun Geun Lee
  • Publication number: 20090064348
    Abstract: Protection against unauthorized copying of digital media content is achieved by receiving a request to provide digital media content to a client device, sending instructions to the client device regarding a processor executable function that provides protection against unauthorized copying of the digital media content, and sending the digital media content to the client device upon activation of the processor executable function.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 5, 2009
    Applicant: CDNETWORKS CO., LTD.
    Inventors: Young Jun Bang, Jun Sik Park, Jung Eun Kim, Sam Ryong Jang, Yun Geun Lee