torage system for multi-site remote copyUS7739540 *Sep 6, 2007Jun 15, 2010Hitachi, Ltd.Information system, data transfer method and data protection methodUS7770058 *Dec 29, 2006Aug 3, 2010Hewlett-Packard Development Company, L.P.Disaster recovery within secure environmentsUS7801854 *Nov 15, 2004Sep 21, 2010Microsoft CorporationManaging lists and other items in an electronic file systemUS7802131Sep