Patents by Inventor Hsi-Cheng Wu

Hsi-Cheng Wu 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: 9336366
    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: November 14, 2014
    Date of Patent: May 10, 2016
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael C. Raley, Daniel C. Chen, Hsi-Cheng Wu, Thanh Ta
  • Publication number: 20150074830
    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: Application
    Filed: November 14, 2014
    Publication date: March 12, 2015
    Inventors: Michael C. Raley, Daniel C. Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 8914906
    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: June 14, 2012
    Date of Patent: December 16, 2014
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 8832852
    Abstract: A method and apparatus for dynamically protecting content in a system for managing use of the content in accordance with usage rights. A request is received from a user device for content stored on a server. Information is gathered from at least one source to build the content in accordance with the request and the content is mapped to usage rights. A reply including the usage rights is sent to the user device, and use of the content is permitted based on the usage rights under control of a security module for enforcing usage rights.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: September 9, 2014
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Publication number: 20140173749
    Abstract: A method and apparatus for managing use of protected content by providing a specific user interface to an application program used to render the content. The method includes identifying a user interface description associated with content, building a specific user interface based on the user interface description, and replacing the standard user interface of an application program used to render the content with the specific user interface. The specific user interface can be unique to the user, unique to a Web site, or otherwise customized.
    Type: Application
    Filed: September 6, 2013
    Publication date: June 19, 2014
    Applicant: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 8555408
    Abstract: A method and apparatus for managing use of protected content by providing a specific user interface to an application program used to render the content. The method includes identifying a user interface description associated with content, building a specific user interface based on the user interface description, and replacing the standard user interface of an application program used to render the content with the specific user interface. The specific user interface can be unique to the user, unique to a Web site, or otherwise customized.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: October 8, 2013
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 8489900
    Abstract: A method and apparatus for managing use of protected content by providing a specific user interface to an application program used to render the content. The method includes identifying a user interface description associated with content, building a specific user interface based on the user interface description, and replacing the standard user interface of an application program used to render the content with the specific user interface. The specific user interface can be unique to the user, unique to a Web site, or otherwise customized.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: July 16, 2013
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Publication number: 20120260353
    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: Application
    Filed: June 14, 2012
    Publication date: October 11, 2012
    Applicant: CONTENTGUARD HOLDINGS, INC.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • 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
  • Publication number: 20110173701
    Abstract: A method and apparatus for managing use of protected content by providing a specific user interface to an application program used to render the content. The method includes identifying a user interface description associated with content, building a specific user interface based on the user interface description, and replacing the standard user interface of an application program used to render the content with the specific user interface. The specific user interface can be unique to the user, unique to a Web site, or otherwise customized.
    Type: Application
    Filed: March 21, 2011
    Publication date: July 14, 2011
    Applicant: CONTENTGUARD HOLDINGS, INC.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Publication number: 20110154215
    Abstract: A method and apparatus for managing use of protected content by providing a specific user interface to an application program used to render the content. The method includes identifying a user interface description associated with content, building a specific user interface based on the user interface description, and replacing the standard user interface of an application program used to render the content with the specific user interface. The specific user interface can be unique to the user, unique to a Web site, or otherwise customized.
    Type: Application
    Filed: February 2, 2011
    Publication date: June 23, 2011
    Applicant: CONTENTGUARD HOLDINGS, INC.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 7913095
    Abstract: A method and apparatus for managing use of protected content by providing a specific user interface to an application program used to render the content. The method includes identifying a user interface description associated with content, building a specific user interface based on the user interface description, and replacing the standard user interface of an application program used to render the content with the specific user interface. The specific user interface can be unique to the user, unique to a Web site, or otherwise customized.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: March 22, 2011
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 7743259
    Abstract: A system and method for the secure distribution and consumption of electronic documents using a standard rendering engine. The documents can usage rights associated therewith. A server stores at least one of the documents in computer readable form. A client having a standard application program including a rendering engine capable of rendering unencrypted documents for viewing is operated by a user. The client and the server are coupled by a communications network. A security module controls requested for at least one of the documents on the server from the client and delivers the document and a set of rights associated with the document to the client.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: June 22, 2010
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 7603319
    Abstract: A method and apparatus for managing and accomplishing on-line transactions while preserving the privacy of user information. User information is stored at a trusted Web site. A user logs on to a transacting Web site with a user device and requests a transaction from the transacting Web site. The user is verified through the trusted Web site using an anonymous identifier corresponding to the user information and the transaction is accomplished between the user device and the transacting Web site using the anonymous identifier without transferring the user information to the transacting Web site.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: October 13, 2009
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 7412605
    Abstract: A system and method for encrypting content in an adaptive manner. Portions of data to be encrypted are identified and an encryption ratio that specifies the one or more portions of data to encrypt and other portions of data to not encrypt is determined. The data is then encrypted based on the encryption ratio.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: August 12, 2008
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 7269735
    Abstract: A method and apparatus for dynamically applying digital watermarks. Requested content is sent to a security module of a user device. A digital watermark is dynamically determined based at least on instance information about a rendering engine of the user device. The digital watermark is then rendered with the content using the rendering engine of the user device.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: September 11, 2007
    Assignee: ContentGaurd Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 7237125
    Abstract: A system and method for securely distributing content by automatically deploying security components. The system includes a server having content stored thereon, a client device having a standard application program for accomplishing a task related to the content, and a rights management module operatively coupled to the server and said client device and configured, upon a request to access the content, to determine if security components are coupled to the application program. The rights management module downloads and installs the security components on the client device if the security components are not coupled to the application program.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: June 26, 2007
    Assignee: Contentguard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Patent number: 7206941
    Abstract: A system and method of controlling use of content in accordance with usage rights associated with the content. A request for content is analyzed by looking for a signature from a user device making the request to determine if the user device has security components for enforcing the usage rights. If the request does not have the signature, a software agent is sent to the user device to determine if the user device is secure and the request is resent with the signature if the user device is secure. Content is rendered with a rendering engine of the user device in accordance with the usage rights in response to the resent request.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: April 17, 2007
    Assignee: ContentGuard Holdings, Inc.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Publication number: 20050278793
    Abstract: A method and apparatus for managing use of protected content by providing a specific user interface to an application program used to render the content. The method includes identifying a user interface description associated with content, building a specific user interface based on the user interface description, and replacing the standard user interface of an application program used to render the content with the specific user interface. The specific user interface can be unique to the user, unique to a Web site, or otherwise customized.
    Type: Application
    Filed: April 30, 2003
    Publication date: December 15, 2005
    Applicant: CONTENTGUARD HOLDINGS, INC.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta
  • Publication number: 20030204753
    Abstract: A method and apparatus for dynamically protecting content in a system for managing use of the content in accordance with usage rights. A request is received from a user device for content stored on a server. Information is gathered from at least one source to build the content in accordance with the request and the content is mapped to usage rights. A reply including the usage rights is sent to the user device, and use of the content is permitted based on the usage rights under control of a security module for enforcing usage rights.
    Type: Application
    Filed: April 30, 2003
    Publication date: October 30, 2003
    Applicant: CONTENTGUARD HOLDINGS, INC.
    Inventors: Michael Raley, Daniel Chen, Hsi-Cheng Wu, Thanh Ta