Inventor · disambiguated record
Richard David Barndt
Also filed as: BARNDT RICHARD · BARNDT RICHARD D · BARNDT RICHARD DAVID
55 granted patents·5 pending applications·691 citations·filing 1997–2022
98Inventor score
Files withWESTERN DIGITAL TECH INC19STEC INC8HGST Netherlands BV5HEWLETT PACKARD CO4HGST TECH SANTA ANA INC3
Top patents by PatentIndex Score
60 records- 0197US9720754B2Read level grouping for increased flash performanceHGST Netherlands BV·Filed 2015·Granted Aug 1, 2017·40 cites·20 claims
- 0297US6222698B1Magnetic tape dimensional instability compensation by varying recording head azimuth angleHEWLETT PACKARD CO·Filed 1998·Granted Apr 24, 2001·190 cites·19 claims
- 0396US10236070B2Read level tracking and optimizationWESTERN DIGITAL TECH INC·Filed 2017·Granted Mar 19, 2019·14 cites·25 claims
- 0496US9576671B2Calibrating optimal read levelsHGST Netherlands BV·Filed 2014·Granted Feb 21, 2017·29 cites·20 claims
- 0595US8493791B2Word-line inter-cell interference detector in flash systemSTEC INC·Filed 2012·Granted Jul 23, 2013·26 cites·23 claims
- 0694US9430326B2Multiple ECC codeword sizes in an SSDHGST Netherlands BV·Filed 2014·Granted Aug 30, 2016·22 cites·19 claims
- 0793US10566061B2Calibrating optimal read levelsWESTERN DIGITAL TECH INC·Filed 2017·Granted Feb 18, 2020·12 cites·20 claims
- 0893US8762798B2Dynamic LDPC code rate solutionSTEC INC·Filed 2012·Granted Jun 24, 2014·19 cites·20 claims
- 0993US5982711ADevice for reading data from or writing data to magnetic storage media and a method of positioning a tape head relative to the magnetic storage mediaHEWLETT PACKARD CO·Filed 1997·Granted Nov 9, 1999·84 cites·5 claims
- 1091US10705966B1Mapping for multi-state programming of memory devicesWESTERN DIGITAL TECH INC·Filed 2018·Granted Jul 7, 2020·6 cites·20 claims
- 1191US9905302B2Read level grouping algorithms for increased flash performanceWESTERN DIGITAL TECH INC·Filed 2014·Granted Feb 27, 2018·14 cites·24 claims
- 1291US6275350B1Magnetic head and method for compensating for magnetic tape dimensional instabilityHEWLETT PACKARD CO·Filed 1998·Granted Aug 14, 2001·71 cites·13 claims
- 1390US11101006B2Read level tracking and optimizationWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 24, 2021·2 cites·20 claims
- 1490US8407563B2Low-complexity soft-decision decoding of error-correction codesKARABED RAZMIK·Filed 2009·Granted Mar 26, 2013·11 cites·29 claims
- 1589US7650561B1Method of switching from parallel to serial MAP detectorSEAGATE TECHNOLOGY LLC·Filed 2006·Granted Jan 19, 2010·22 cites·8 claims
- 1688US11372765B2Mapping for multi-state programming of memory devicesWESTERN DIGITAL TECH INC·Filed 2020·Granted Jun 28, 2022·2 cites·20 claims
- 1788US8484519B2Optimal programming levels for LDPCWEATHERS ANTHONY D·Filed 2012·Granted Jul 9, 2013·13 cites·23 claims
- 1887US11636039B2Mapping for multi-state programming of memory devicesWESTERN DIGITAL TECH INC·Filed 2022·Granted Apr 25, 2023·1 cites·20 claims
- 1987US10748628B2Read level tracking and optimizationWESTERN DIGITAL TECHNOLOGIES INC·Filed 2019·Granted Aug 18, 2020·3 cites·20 claims
- 2087US8656263B2Trellis-coded modulation in a multi-level cell flash memory deviceHU XINDE·Filed 2011·Granted Feb 18, 2014·11 cites·24 claims
- 2185US10373695B2Methods and apparatus for read disturb detection and handlingWESTERN DIGITAL TECH INC·Filed 2016·Granted Aug 6, 2019·4 cites·23 claims
- 2285US8954820B2Reduced complexity non-binary LDPC decoding algorithmSTEC INC·Filed 2013·Granted Feb 10, 2015·7 cites·20 claims
- 2383US10282111B2Adaptive wear levellingWESTERN DIGITAL TECH INC·Filed 2016·Granted May 7, 2019·4 cites·21 claims
- 2483US8255768B2Interlaced iterative system design for 1K-byte block with 512-byte LDPC codewordsHU XINDE·Filed 2009·Granted Aug 28, 2012·5 cites·20 claims
- 2582US10198313B2Redundancy of error correction encoded data in a storage systemHGST Netherlands BV·Filed 2016·Granted Feb 5, 2019·4 cites·16 claims
- 2682US9117529B2Inter-cell interference algorithms for soft decoding of LDPC codesSTEC INC·Filed 2012·Granted Aug 25, 2015·7 cites·30 claims
- 2780US8656256B2Apparatus and method for multi-mode operation of a flash memory deviceWEATHERS ANTHONY D·Filed 2011·Granted Feb 18, 2014·8 cites·20 claims
- 2878US10298261B2Reduced complexity non-binary LDPC decoding algorithmHGST TECH SANTA ANA INC·Filed 2016·Granted May 21, 2019·3 cites·20 claims
- 2974US11815996B2Method and system for identifying erased memory areasWESTERN DIGITAL TECH INC·Filed 2022·Granted Nov 14, 2023·0 cites·20 claims
- 3073US10510405B2Soft information moduleHGST TECH SANTA ANA INC·Filed 2018·Granted Dec 17, 2019·2 cites·20 claims
- 3173US9136011B2Soft information moduleSTEC INC·Filed 2013·Granted Sep 15, 2015·2 cites·19 claims
- 3273US9135106B2Read level adjustment using soft informationSTEC INC·Filed 2013·Granted Sep 15, 2015·4 cites·19 claims
- 3372US11621043B2Read level tracking and optimizationWESTERN DIGITAL TECH INC·Filed 2021·Granted Apr 4, 2023·0 cites·20 claims
- 3471US8413023B2Error-locator-polynomial generation with erasure supportASHE VINCENT BRENDAN·Filed 2009·Granted Apr 2, 2013·9 cites·23 claims
- 3571US6970522B1Data retrievalHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Nov 29, 2005·19 cites·26 claims
- 3670US11562787B2Multi-state programming for memory devicesWESTERN DIGITAL TECH INC·Filed 2021·Granted Jan 24, 2023·0 cites·20 claims
- 3770US9319069B2Reduced complexity non-binary LDPC decoding algorithmHGST TECHNOLOGIES SANTA ANA INC·Filed 2015·Granted Apr 19, 2016·2 cites·20 claims
- 3868US11087836B2Multi-state programming for memory devicesWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 10, 2021·0 cites·20 claims
- 3967US11327837B2Method and system for identifying erased memory areasWESTERN DIGITAL TECH INC·Filed 2020·Granted May 10, 2022·0 cites·20 claims
- 4067US10878896B2Multi-state programming for memory devicesWESTERN DIGITAL TECH INC·Filed 2020·Granted Dec 29, 2020·0 cites·20 claims
- 4167US10387246B2Method and system for scanning for erased flash memory pagesWESTERN DIGITAL TECH INC·Filed 2017·Granted Aug 20, 2019·1 cites·21 claims
- 4265US8040626B2High-rate transition control code for magnetic recording channelsST MICROELECTRONICS INC·Filed 2009·Granted Oct 18, 2011·0 cites·20 claims
- 4364US10748606B2Multi-state programming for memory devicesWESTERN DIGITAL TECHNOLOGIES INC·Filed 2018·Granted Aug 18, 2020·0 cites·18 claims
- 4463US11488673B2Calibrating optimal read levelsWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 1, 2022·0 cites·20 claims
- 4560US6307692B1Double pulse write driverHEWLETT PACKARD CO·Filed 1999·Granted Oct 23, 2001·14 cites·31 claims
- 4656US10545810B2Method and apparatus for monitoring non-volatile memory read errors using background media scanWESTERN DIGITAL TECH INC·Filed 2016·Granted Jan 28, 2020·1 cites·17 claims
- 4754US10884854B2Method and system for identifying erased memory areasWESTERN DIGITAL TECH INC·Filed 2019·Granted Jan 5, 2021·0 cites·20 claims
- 4849US8390947B2High-rate transition control code for magnetic recording channelsOZDEMIR HAKAN C·Filed 2011·Granted Mar 5, 2013·0 cites·20 claims
- 4947US9419651B2Non-polynomial processing unit for soft-decision error correction codingKARABED RAZMIK·Filed 2009·Granted Aug 16, 2016·1 cites·24 claims
- 5046US9881670B2Soft information moduleHGST TECH SANTA ANA INC·Filed 2015·Granted Jan 30, 2018·0 cites·20 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →