Patents by Inventor Yuh-mei Marie Liou

Yuh-mei Marie Liou 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 optimizing routing through network nodes
    Patent number: 7372816
    Abstract: A method for reducing the problem space associated with determining intra-network circuit provisioning paths within a large communications network by selecting only a sub-set of the total network nodes, including the start-node and end-node of a communication path by bounding, using one of a plurality of predefined shapes having an appropriate size, and calculating the best path using only the network elements included within the sub-set of total nodes.
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: May 13, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Rao Y. Mannepalli, Vedha Ramanujam, Yuh-mei Marie Liou
  • Method and apparatus for optimizing routing through network nodes
    Patent number: 6842425
    Abstract: A method for reducing the problem space associated with determining intra-network circuit provisioning paths within a large communications network by selecting only a sub-set of the total network nodes, including the start-node and end-node of a communication path by bounding, using one of a plurality of predefined-shapes having an appropriate size, and calculating the best path using only the network elements included within the sub-set of total nodes.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: January 11, 2005
    Assignee: Lucent Technologies Inc.
    Inventors: Rao Y. Mannepalli, Vedha Ramanujam, Yuh-mei Marie Liou