Inventor · Tucson, AZ, US

Robert Frederic Kern

47Patents
22h-index
75Co-inventors
88Inventor score

Filing activity: Aug 28, 1987 → Apr 20, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5241670A Method and system for automated backup copy ordering in a time zero backup copy session Physics 1,361 Expired
US5241668A Method and system for automated termination and resumption in a time zero backup copy process Emerging Cross-Sectional Technologies 1,339 Expired
USRE37601E1 Method and system for incremental time zero backup copying of data General 927 Expired
US6065018A Synchronizing recovery log having time stamp to a remote site for disaster recovery of a primary database having related hierarchial and relational databases Emerging Cross-Sectional Technologies 310 Expired
US5263154A Method and system for incremental time zero backup copying of data Physics 268 Expired
US6199074A Database backup system ensuring consistency between primary and mirrored backup database copies despite backup interruption Emerging Cross-Sectional Technologies 199 Expired
US5734818A Forming consistency groups using self-describing record sets for remote data duplexing Physics 198 Expired
US5870537A Concurrent switch to shadowed device for storage controller and device errors Physics 182 Expired
US5692155A Method and apparatus for suspending multiple duplex pairs during back up processing to insure storage devices remain synchronized in a sequence consistent order Physics 153 Expired
US5615329A Remote data duplexing Physics 144 Expired
US4837680A Controlling asynchronously operating peripherals Physics 143 Expired
US5720029A Asynchronously shadowing record updates in a remote copy session using track arrays Physics 141 Expired
US7039585B2 Method and system for searching recorded speech and retrieving relevant segments Physics 105 Expired
US6247103A Host storage management control of outboard data movement using push-pull operations Physics 64 Expired
US6336187B1 Storage system with data-dependent security Physics 63 Expired
US7043665B2 Method, system, and program for handling a failover to a remote storage location Physics 41 Expired
US6393537B1 Host storage management control of outboard data movement Physics 38 Expired
US7571268B2 Consistent updates across storage subsystems coupled to a plurality of primary and secondary units at selected times Physics 33 Active
US6446209B2 Storage controller conditioning host access to stored data according to security key stored in host-inaccessible metadata Physics 30 Expired
US7467168B2 Method for mirroring data at storage locations Physics 29 Expired
US7603581B2 Remote copying of updates to primary and secondary storage locations subject to a copy relationship Physics 28 Active
US6202124A Data storage system with outboard physical data transfer operation utilizing data path distinct from host Physics 28 Expired
US8027952B2 System and article of manufacture for mirroring data at storage locations Physics 19 Active
USRE37038E Method and system for automated termination and resumption in a time zero backup copy process General 13 Expired
US8788772B2 Maintaining mirror and storage system copies of volumes at multiple remote sites Physics 12 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.