Patents by Inventor Jason W. Lau

Jason W. Lau 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).

  • Publication number: 20080002710
    Abstract: A Session Initiation Protocol (SIP)-compliant proxy (106) receives a first INVITE message destined for a mobile station (102). The first INVITE message is associated with an initial Internet Protocol (IP) contact address for the mobile station (102). Subsequently, it is determined whether an IP address update for the mobile station (102) may have occurred and a new IP contact address is obtained for the mobile station (102). A second INVITE message is sent to the mobile station (102) at the new contact address so as to continue a session initiation.
    Type: Application
    Filed: June 29, 2006
    Publication date: January 3, 2008
    Applicant: MOTOROLA, INC.
    Inventors: Ajaykumar R. Idnani, Jason W. Lau, Steven D. Upp, Timothy J. Wilson