Patents by Inventor Funchun Joseph Lin

Funchun Joseph Lin 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).

  • P-CSCF fast handoff for IMS/MMS architecture
    Patent number: 8971291
    Abstract: A mechanism by which handoff delay can be minimized while not compromising the IMS/MMD security and also protecting the media if required by certain applications is presented. One proactive method includes proactive authentication. Another proactive method includes proactive security association, such as transferring SA keys from old proxy to new proxy, or transferring keys through serving signal entities. Reactive methods include transferring SA keys from old proxy to new proxy, using either push or pull technology. Other reactive methods include transferring keys through serving signal entities using either push or pull technology.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: March 3, 2015
    Assignees: Telcordia Technologies, Inc., KDDI Corporation
    Inventors: Ashutosh Dutta, Abhrajit Ghosh, Subir Das, Dana Chee, Kyriakos Manousakis, Funchun Joseph Lin, Shih-wei Li, Tsunehiko Chiba, Hidetoshi Yokota, Akira Idoue
  • P-CSCF FAST HANDOFF FOR IMS/MMS ARCHITECTURE
    Publication number: 20120082136
    Abstract: A mechanism by which handoff delay can be minimized while not compromising the IMS/MMD security and also protecting the media if required by certain applications is presented. One proactive method includes proactive authentication. Another proactive method includes proactive security association, such as transferring SA keys from old proxy to new proxy, or transferring keys through serving signal entities. Reactive methods include transferring SA keys from old proxy to new proxy, using either push or pull technology. Other reactive methods include transferring keys through serving signal entities using either push or pull technology.
    Type: Application
    Filed: December 12, 2011
    Publication date: April 5, 2012
    Applicants: KDDI CORPORATION, TELCORDIA TECHNOLOGIES, INC.
    Inventors: Ashutosh Dutta, Abhrajit Ghosh, Subir Das, Dana Chee, Kyriakos Manousakis, Funchun Joseph Lin, Shih-wei Li, Tsunehiko Chiba, Hidetoshi Yokota, Akira Idoue
  • P-CSCF fast handoff for IMS/MMS architecture
    Patent number: 8098627
    Abstract: A mechanism by which handoff delay can be minimized while not compromising the IMS/MMD security and also protecting the media if required by certain applications is presented. One proactive method includes proactive authentication. Another proactive method includes proactive security association, such as transferring SA keys from old proxy to new proxy, or transferring keys through serving signal entities. Reactive methods include transferring SA keys from old proxy to new proxy, using either push or pull technology. Other reactive methods include transferring keys through serving signal entities using either push or pull technology.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: January 17, 2012
    Assignees: Telcordia Technologies, Inc., KDDI Corporation
    Inventors: Ashutosh Dutta, Abhrajit Ghosh, Subir Das, Dana Chee, Kyriakos Manousakis, Funchun Joseph Lin, Shih-wei Li, Tsunehiko Chiba, Hidetoshi Yokota, Akira Idoue