Patents by Inventor T. Sivakumar

T. Sivakumar 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).

  • Dynamic Secondary Phone Book
    Publication number: 20090110177
    Abstract: A mobile communication device is equipped with a dynamic local directory into which contact information from a local telephone directory may be downloaded on a temporary basis. The local telephone directory resides on a local communication network and may be accessed by the mobile communication device. The downloaded data is purged automatically after preset limits are reached. The dynamic local telephone directory on the mobile communication device is continuously changing depending on the location.
    Type: Application
    Filed: October 31, 2007
    Publication date: April 30, 2009
    Applicant: NOKIA CORPORATION
    Inventor: T. Sivakumar