Patents by Inventor Daniel C Chen

Daniel C Chen 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 and apparatus for identifying installed software and regulating access to content
    Patent number: 8225414
    Abstract: A system and method for controlling use of content in accordance with usage rights associated with the content and determined in accordance with the environment of a user device. A request is received for secure content from a user device and the integrity of the environment of the user device is verified. Appropriate usage rights are retrieved based upon the results of the verification of integrity and the content is rendered on the user device in accordance with the appropriate usage rights.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: July 17, 2012
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael C Raley, Daniel C Chen, Hsi-Cheng Wu, Thanh Ta
  • Method, system, and computer readable medium for automatically publishing content
    Patent number: 7343324
    Abstract: The publishing system and method automates at least some portion of a publishing process. The system publishes content using metadata, rights templates and/or specifications, publishing profiles and business rules.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: March 11, 2008
    Assignee: Contentguard Holdings Inc.
    Inventors: Guillermo Lao, Ralph H Brenner, Jr., Daniel C Chen, Aram Nahidipour, Edgardo Valenzuela, Mark Berchowitz, Ivy Y Chen, Xin Wang