Patents by Inventor Gregory Gridin

Gregory Gridin 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).

  • Annotation-based content rankings
    Patent number: 8954447
    Abstract: Techniques for ranking electronic content items include analyzing annotations made in the content items. Specifically, the number of annotations and the number of people making the annotations can be analyzed to produce a popularity ranking of different content items.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: February 10, 2015
    Assignee: Amazon Technologies, Inc.
    Inventors: Preetha Chatterjee, Gregory Gridin, Janna Hamaker, Eugene Kalenkovich, Tom Killalea