Patents by Inventor David Jau Young Lee

David Jau Young Lee 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).

  • Architecture of internet protocol-based cellular networks
    Patent number: 7606189
    Abstract: Integration of the cellular network with an IP based network is disclosed. An integrated IP/cellular network can route packetized voice and data together in a more efficient manner. The present invention integrates IP based standards for a cellular IP solution with cellular centric vs. IP message gateway as the demarcation point. However, the present invention also provides support for cellular unique features for better performance. Multiple architectures are proposed to ease migration to a combined network as well as to show the various levels of support provided.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: October 20, 2009
    Assignee: Cellco Partnership
    Inventors: David Jau Young Lee, Ce Xu, William Chien-Yeh Lee