Inventor · disambiguated record
Brian W. O'Krafka
Also filed as: O'KRAFKA BRIAN · O'KRAFKA BRIAN W · O'KRAFKA BRIAN WALTER
68 granted patents·4 pending applications·1,169 citations·filing 1995–2025
99Inventor score
Files withWESTERN DIGITAL TECH INC13SANDISK TECHNOLOGIES LLC11ORACLE AMERICA INC9SUN MICROSYSTEMS INC8SANDISK ENTPR IP LLC7
Top patents by PatentIndex Score
72 records- 0198US10409511B1Multi-device storage system with distributed read/write processingWESTERN DIGITAL TECH INC·Filed 2018·Granted Sep 10, 2019·53 cites·20 claims
- 0298US9501398B2Persistent storage device with NVRAM for staging writesSANDISK TECHNOLOGIES LLC·Filed 2013·Granted Nov 22, 2016·179 cites·23 claims
- 0396US11281601B2Multi-device storage system with hosted services on peer storage devicesWESTERN DIGITAL TECH INC·Filed 2020·Granted Mar 22, 2022·5 cites·20 claims
- 0496US10565123B2Hybrid logical to physical address translation for non-volatile storage devices with integrated compute moduleWESTERN DIGITAL TECH INC·Filed 2017·Granted Feb 18, 2020·20 cites·19 claims
- 0596US7961990B2Multi-chip system including capacitively coupled and optical communicationORACLE AMERICA INC·Filed 2007·Granted Jun 14, 2011·47 cites·19 claims
- 0695US10860508B2Offloaded disaggregated storage architectureWESTERN DIGITAL TECH INC·Filed 2018·Granted Dec 8, 2020·18 cites·19 claims
- 0795US8793531B2Recovery and replication of a flash memory-based object storeGEORGE JOHANN·Filed 2011·Granted Jul 29, 2014·35 cites·20 claims
- 0895US8666939B2Approaches for the replication of write setsO'KRAFKA BRIAN W·Filed 2011·Granted Mar 4, 2014·34 cites·22 claims
- 0994US10379948B2Redundancy coding stripe based on internal addresses of storage devicesWESTERN DIGITAL TECH INC·Filed 2017·Granted Aug 13, 2019·11 cites·20 claims
- 1094US7213106B1Conservative shadow cache support in a point-to-point connected multiprocessing nodeSUN MICROSYSTEMS INC·Filed 2004·Granted May 1, 2007·114 cites·20 claims
- 1193US11243837B2Data storage drive rebuild with parity generation offload using peer-to-peer data transfersWESTERN DIGITAL TECH INC·Filed 2020·Granted Feb 8, 2022·3 cites·20 claims
- 1293US10761929B2Data storage drive rebuild with parity generation offload using peer-to-peer data transfersWESTERN DIGITAL TECH INC·Filed 2018·Granted Sep 1, 2020·8 cites·20 claims
- 1391US11327966B1Disaggregated query processing on data lakes based on pipelined, massively parallel, distributed native query execution on compute clusters utilizing precise, parallel, asynchronous shared storage repository accessWIND JAMMER TECH LLC·Filed 2020·Granted May 10, 2022·11 cites·18 claims
- 1491US9697267B2Methods and systems for performing efficient snapshots in tiered data structuresSANDISK ENTPR IP LLC·Filed 2014·Granted Jul 4, 2017·27 cites·20 claims
- 1591US8396937B1Efficient hardware scheme to support cross-cluster transactional memoryO'KRAFKA BRIAN W·Filed 2007·Granted Mar 12, 2013·31 cites·18 claims
- 1689US8667001B2Scalable database management software on a cluster of nodes using a shared-distributed flash memoryDINKER DARPAN·Filed 2012·Granted Mar 4, 2014·13 cites·6 claims
- 1788US10831603B2Rebuild assist using failed storage deviceWESTERN DIGITAL TECH INC·Filed 2018·Granted Nov 10, 2020·5 cites·20 claims
- 1888US10643707B2Group write operations for a data storage deviceWESTERN DIGITAL TECH INC·Filed 2017·Granted May 5, 2020·10 cites·20 claims
- 1987US10725941B2Multi-device storage system with hosted services on peer storage devicesWESTERN DIGITAL TECH INC·Filed 2018·Granted Jul 28, 2020·4 cites·20 claims
- 2087US10474528B2Redundancy coding stripe based on coordinated internal address scheme across multiple devicesWESTERN DIGITAL TECH INC·Filed 2017·Granted Nov 12, 2019·5 cites·25 claims
- 2187US10185658B2Efficient implementation of optimized host-based garbage collection strategies using xcopy and multiple logical stripesSANDISK TECHNOLOGIES LLC·Filed 2016·Granted Jan 22, 2019·6 cites·26 claims
- 2287US10019174B2Read operation delaySANDISK TECHNOLOGIES LLC·Filed 2015·Granted Jul 10, 2018·5 cites·32 claims
- 2387US8732386B2Sharing data fabric for coherent-distributed caching of multi-node shared-distributed flash memoryO'KRAFKA BRIAN WALTER·Filed 2008·Granted May 20, 2014·24 cites·24 claims
- 2487US8229945B2Scalable database management software on a cluster of nodes using a shared-distributed flash memoryDINKER DARPAN·Filed 2008·Granted Jul 24, 2012·16 cites·14 claims
- 2584US7865084B2Multi-chip systems with optical bypassORACLE AMERICA INC·Filed 2007·Granted Jan 4, 2011·12 cites·20 claims
- 2682US10289340B2Coalescing metadata and data writes via write serialization with device-level address remappingSANDISK TECHNOLOGIES LLC·Filed 2017·Granted May 14, 2019·4 cites·20 claims
- 2782US7174430B1Bandwidth reduction technique using cache-to-cache transfer prediction in a snooping-based cache-coherent cluster of multiprocessing nodesSUN MICROSYSTEMS INC·Filed 2004·Granted Feb 6, 2007·33 cites·39 claims
- 2881US10725859B2Parity generation offload using peer-to-peer data transfers in data storage systemWESTERN DIGITAL TECH INC·Filed 2018·Granted Jul 28, 2020·3 cites·21 claims
- 2981US10705952B2User space data storage managementSANDISK TECHNOLOGIES LLC·Filed 2016·Granted Jul 7, 2020·4 cites·20 claims
- 3081US7823013B1Hardware data race detection in HPCS codesORACLE AMERICA INC·Filed 2007·Granted Oct 26, 2010·11 cites·12 claims
- 3179US8954385B2Efficient recovery of transactional data storesGEORGE JOHANN·Filed 2011·Granted Feb 10, 2015·5 cites·20 claims
- 3279US7562190B1Cache protocol enhancements in a proximity communication-based off-chip cache memory architectureSUN MICROSYSTEMS INC·Filed 2005·Granted Jul 14, 2009·10 cites·19 claims
- 3379US6285974B1Hardware verification tool for multiprocessorsIBM·Filed 1999·Granted Sep 4, 2001·82 cites·16 claims
- 3478US8320761B2Broadband and wavelength-selective bidirectional 3-way optical splitterZHENG XUEZHE·Filed 2007·Granted Nov 27, 2012·6 cites·18 claims
- 3578US8180968B2Reduction of cache flush time using a dirty line limiterO'KRAFKA BRIAN W·Filed 2007·Granted May 15, 2012·9 cites·15 claims
- 3677US9575270B2Wavelength-division multiplexing for use in multi-chip systemsORACLE INT CORP·Filed 2012·Granted Feb 21, 2017·4 cites·11 claims
- 3777US7895400B2Hybrid cache coherence using fine-grained hardware message passingORACLE AMERICA INC·Filed 2007·Granted Feb 22, 2011·8 cites·20 claims
- 3876US7496712B1Proximity communication-based off-chip cache memory architecturesSUN MICROSYSTEMS INC·Filed 2005·Granted Feb 24, 2009·8 cites·12 claims
- 3976US7444473B1Speculative memory accesses in a proximity communication-based off-chip cache memory architectureSUN MICROSYSTEMS INC·Filed 2005·Granted Oct 28, 2008·8 cites·18 claims
- 4076US5928334AHardware verification tool for multiprocessorsIBM·Filed 1997·Granted Jul 27, 1999·76 cites·1 claims
- 4173US9990146B2Apparatus and method of data sequencingSANDISK TECHNOLOGIES LLC·Filed 2016·Granted Jun 5, 2018·2 cites·15 claims
- 4272US8346087B2Wavelength-division multiplexing for use in multi-chip systemsORACLE AMERICA INC·Filed 2007·Granted Jan 1, 2013·5 cites·20 claims
- 4371US9916356B2Methods and systems for insert optimization of tiered data structuresSANDISK ENTPR IP LLC·Filed 2015·Granted Mar 13, 2018·2 cites·18 claims
- 4470US10642525B2Multiple-stage data lifetime management for storage devicesWESTERN DIGITAL TECH INC·Filed 2018·Granted May 5, 2020·1 cites·21 claims
- 4570US8868487B2Event processing in a flash memory-based object storeKRISHNAN MANAVALAN·Filed 2011·Granted Oct 21, 2014·3 cites·18 claims
- 4670US7698509B1Snooping-based cache-coherence filter for a point-to-point connected multiprocessing nodeORACLE AMERICA INC·Filed 2004·Granted Apr 13, 2010·15 cites·15 claims
- 4770US5740353AMethod and apparatus for creating a multiprocessor verification environmentIBM·Filed 1995·Granted Apr 14, 1998·62 cites·14 claims
- 4868US6021261AMethod and system for testing a multiprocessor data processing system utilizing a plurality of event tracersIBM·Filed 1996·Granted Feb 1, 2000·62 cites·14 claims
- 4967US8385740B2Arbitration scheme for an optical busORACLE AMERICA INC·Filed 2008·Granted Feb 26, 2013·3 cites·13 claims
- 5065US10747676B2Memory-efficient object address mapping in a tiered data structureSANDISK TECHNOLOGIES LLC·Filed 2016·Granted Aug 18, 2020·1 cites·21 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →