Inventor · disambiguated record
David K. Umberger
Also filed as: UMBERGER DAVID · UMBERGER DAVID K · UMBERGER DAVID KIYOSHI
12 granted patents·1 pending application·1,167 citations·filing 1996–2011
93Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO7NAVARRO GUILLERMO4BEACON LIGHT PROD INC1HEWLETT PACKARD CO1
Top patents by PatentIndex Score
13 records- 0197US6647514B1Host I/O performance and availability of a storage array during rebuild by prioritizing I/O requestHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Nov 11, 2003·665 cites·6 claims
- 0294US6516425B1Raid rebuild using most vulnerable data redundancy scheme firstHEWLETT PACKARD CO·Filed 1999·Granted Feb 4, 2003·281 cites·24 claims
- 0390US6957433B2System and method for adaptive performance optimization of data processing systemsHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Oct 18, 2005·80 cites·17 claims
- 0486US6807605B2Managing a data storage array, a data storage system, and a raid controllerHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Oct 19, 2004·53 cites·19 claims
- 0579US8650145B2Creating snapshots of data using a selected one of different snapshot algorithmsNAVARRO GUILLERMO·Filed 2008·Granted Feb 11, 2014·11 cites·13 claims
- 0677US7146467B2Method of adaptive read cache pre-fetching to increase host read throughputHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Dec 5, 2006·26 cites·20 claims
- 0775US6898667B2Managing data in a multi-level raid storage arrayHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted May 24, 2005·23 cites·45 claims
- 0873US7213165B2Host I/O performance and availability of a storage array during rebuild by prioritizing I/O requestsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted May 1, 2007·16 cites·20 claims
- 0969US8201018B2Control of sparing in storage systemsNAVARRO GUILLERMO·Filed 2007·Granted Jun 12, 2012·6 cites·20 claims
- 1063US9063835B2Managing processing of user requests and data replication for a mass storage systemNAVARRO GUILLERMO·Filed 2011·Granted Jun 23, 2015·2 cites·15 claims
- 1154US7337269B2Method of managing a data storage array, and a computer system including a raid controllerHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Feb 26, 2008·4 cites·17 claims
- 1235US2013326249A1Regulating power consumption of a mass storage systemNAVARRO GUILLERMO·Filed 2011·Application pending·0 cites
- 1329US5818074ASmooth switching thyristorBEACON LIGHT PROD INC·Filed 1996·Granted Oct 6, 1998·0 cites·20 claims
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