Patents by Inventor Leyan Xu

Leyan Xu 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: 20090111446
    Abstract: A method and apparatus for operating a cellular telephone are provided. The method includes the steps of detecting a call, monitoring a sensor that detects performance of a predetermined act by a user and activating the cellular telephone to accept the detected call when the monitored sensor changes state in response to performance of the predetermined act.
    Type: Application
    Filed: October 31, 2007
    Publication date: April 30, 2009
    Applicant: Motorola Inc.
    Inventors: Frank Cui, George Ge, Leyan Xu