Patents by Inventor Richard Johnsson

Richard Johnsson 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).

  • Replication of deduplicated storage system
    Publication number: 20090292746
    Abstract: A method of replicating a deduplicated storage system is disclosed. The method comprises requesting the state of a replica system. The method further comprises sending a container to the replica system and sending a file system log record to the replica system.
    Type: Application
    Filed: July 24, 2009
    Publication date: November 26, 2009
    Inventors: Allan J. Bricker, Richard Johnsson, Greg Wade
  • Replication of deduplicated storage system
    Patent number: 7584338
    Abstract: A method of replicating a deduplicated storage system is disclosed. The method comprises requesting the state of a replica system. The method further comprises sending a container to the replica system and sending a file system log record to the replica system.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: September 1, 2009
    Assignee: Data Domain, Inc.
    Inventors: Allan J. Bricker, Richard Johnsson, Greg Wade
  • Method and apparatus for storing composite data streams
    Patent number: 7574418
    Abstract: A method and apparatus for storing composite data streams. According to one embodiment of the invention, a composite data stream is stored so that it may be restored. The storing of the composite data stream includes decomposing the composite data stream into a plurality of constituent data streams, segmenting at least one of the plurality of constituent data streams, and discarding those of the segments resulting from the segmenting which are determined to have been stored previously.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: August 11, 2009
    Assignee: Data Domain, Inc.
    Inventors: R. Hugo Patterson, Allan Bricker, Richard Johnsson