Patents by Inventor James R. Retzlaff, II

James R. Retzlaff, II 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).

  • Search and indexing on a user device
    Patent number: 8954444
    Abstract: Search may be performed on a user device, such as a handheld electronic book reader device. A search query term may be received. Text of a collection of electronic items stored in memory of the user device may be searched, using an item index and/or a master index, for the queried term. Search results may be returned identifying locations in the electronic items at which the queried term appears.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: February 10, 2015
    Assignee: Amazon Technologies, Inc.
    Inventors: James R. Retzlaff, II, John Lattyak
  • Managing status of search index generation
    Patent number: 8234282
    Abstract: Electronic items may be searched using search indices. Search indices may be generated for electronic items at a user device. In that case, a list of one or more electronic items stored in memory of the user device may be displayed, and a status of index generation for the electronic items stored in memory of the device may be presented.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: July 31, 2012
    Assignee: Amazon Technologies, Inc.
    Inventors: James R. Retzlaff, II, John Lattyak, Thomas A. Ryan
  • Systems and methods for providing digital works based on user preferences
    Patent number: 8041657
    Abstract: A method for providing digital works based on user preferences is described. Data associated with a plurality of digital works is analyzed. The plurality of digital works are classified based on the data analysis and on a first list and on a second list. The first list includes preferred words, and the second list includes non-preferred words. One or more digital works from the plurality of digital works are transmitted. The one or more digital works transmitted were classified as works to be transmitted using the first list.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: October 18, 2011
    Assignee: Amazon Technologies Inc.
    Inventors: Laurent An Minh Nguyen, Steven Ka Cheung Moy, James R. Retzlaff, II, John T. Kim