Patents by Inventor Tuo Ma

Tuo Ma 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).

  • Navigation system with turn restriction mechanism and method of operation thereof
    Patent number: 9008953
    Abstract: A method of operation of a navigation system includes: generating a travel trace for identifying a traffic direction flowing through an intersection; generating a trace count based on aggregating the plurality of the travel trace; calculating an expected turn count based on the trace count for estimating an out-edge traffic flowing from an in-edge traffic; and determining a turn restriction based on the expected turn count for identifying the turn restriction at the intersection for displaying on a device.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: April 14, 2015
    Assignee: TeleNav, Inc.
    Inventors: Tuo Ma, Ronald David Gutman