Patents by Inventor Sandy Ng

Sandy Ng 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).

  • Selectively sending link state messages in a network link state protocol based on interest of network nodes
    Patent number: 7742431
    Abstract: In a link state protocol such as an interior gateway protocol (IGP), link state advertisements or link state packets (LSA/LSPs) are sent only to network nodes that have expressed interest in them, rather than always flooding them.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: June 22, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Sandy Ng, Gargi Nalawade, Steven V. Luong
  • Shoe
    Publication number: 20090019736
    Abstract: A shoe including a sole to which is joined a flexible upper having two overlapping flap members. The flap members engage each other by securely resting one on top of the other to form a vamp covering the front portion of a wearer's foot. The flap members disengage to expose the entire interior length of the sole. The preferred closure means is hidden inside the layers of the flexible upper and is made of an elastomeric material capable of returning to one or more original shapes after being stretched or deformed.
    Type: Application
    Filed: July 19, 2007
    Publication date: January 22, 2009
    Inventors: Sandy Ng, Kollin Tierling
  • Selectively sending link state messages in a network link state protocol based on interest of network nodes
    Publication number: 20060133298
    Abstract: In a link state protocol such as an interior gateway protocol (IGP), link state advertisements or link state packets (LSA/LSPs) are sent only to network nodes that have expressed interest in them, rather than always flooding them.
    Type: Application
    Filed: December 22, 2004
    Publication date: June 22, 2006
    Inventors: Sandy Ng, Gargi Nalawade, Steven Luong