Patents by Inventor Nathan Leung

Nathan Leung 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).

  • Pan and zoom gesture detection in a multiple touch display
    Patent number: 9235338
    Abstract: Systems and methods of zooming and panning an image on a multi-touch enabled computing device are provided. The difference in the mean absolute deviation of consecutive move events is used to determine the scaling factor to apply, and the translation of centroids of consecutive move events is used to determine the pan gesture to apply.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 12, 2016
    Assignee: Amazon Technologies, Inc.
    Inventors: Matthew Browne Barr, Nathan Leung