Patents by Inventor Madhusudan Chinthakunta

Madhusudan Chinthakunta 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 providing ringback tones
    Patent number: 7613287
    Abstract: A method of providing a ringback tone to a calling party. The method includes receiving a call directed to a subscriber from the calling party. At least one of an adaptive ringback tone and an actionable ringback tone is provided to the calling party. The adaptive ringback tone is based on state data.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: November 3, 2009
    Assignee: TellMe Networks
    Inventors: Lisa J. Stifelman, Gary Clayton, Rao S. Surapaneni, Madhusudan Chinthakunta