Inventor · Tucson, AZ, US

William Frank Micka

96Patents
32h-index
101Co-inventors
91Inventor score

Filing activity: Jun 30, 1976 → Dec 4, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5241668A Method and system for automated termination and resumption in a time zero backup copy process Emerging Cross-Sectional Technologies 1,339 Expired
US5619644A Software directed microcode state save for distributed storage controller Physics 1,015 Expired
US5555371A Data backup copying with delayed directory updating and reduced numbers of DASD accesses at a back up site using a log structured array data storage Physics 330 Expired
US5592618A Remote copy secondary data copy validation-audit function Physics 266 Expired
US5448718A Method and system for time zero backup session security Emerging Cross-Sectional Technologies 211 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
US6304980A Peer-to-peer backup system with failure-triggered device switching honoring reservation of primary device Emerging Cross-Sectional Technologies 188 Expired
US5835954A Target DASD controlled data migration move Physics 165 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
US6487645B1 Data storage subsystem with fairness-driven update blocking Emerging Cross-Sectional Technologies 147 Expired
US5615329A Remote data duplexing Physics 144 Expired
US5497483A Method and system for track transfer control during concurrent copy operations in a data processing storage subsystem Physics 144 Expired
US5720029A Asynchronously shadowing record updates in a remote copy session using track arrays Physics 141 Expired
US6148383A Storage system employing universal timer for peer-to-peer asynchronous maintenance of consistent mirrored storage Physics 139 Expired
US5167034A Data integrity for compaction devices Physics 115 Expired
US6611901B1 Method, system, and program for maintaining electronic data as of a point-in-time Physics 103 Expired
US6189079A Data copy between peer-to-peer controllers Physics 98 Expired
US6842825B2 Adjusting timestamps to preserve update timing information for cached data objects Emerging Cross-Sectional Technologies 94 Expired
US5574950A Remote data shadowing using a multimode interface to dynamically reconfigure control link-level and communication link-level Physics 92 Expired
US6578120B1 Synchronization and resynchronization of loosely-coupled copy operations between a primary and a remote secondary DASD volume under concurrent updating Physics 83 Expired
US5375232A Method and system for asynchronous pre-staging of backup copies in a data processing storage subsystem Physics 73 Expired
US6247103A Host storage management control of outboard data movement using push-pull operations Physics 64 Expired
US7500030B2 Control of information units in fibre channel communications Physics 62 Active
US5379398A Method and system for concurrent access during backup copying of data Physics 62 Expired

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