Inventor · disambiguated record

Niranjay Ravindran

Also filed as: RAVINDRAN NIRANJAY

48 granted patents·4 pending applications·122 citations·filing 2017–2024

97Inventor score

Technology areasH03M G06F G11B G11C G06N

Files withWESTERN DIGITAL TECH INC49 WESTERN DIGITAL TECHNOLOGIES INC3

Top patents by PatentIndex Score

52 records

0197US10417089B2Data storage device extending erasures for LDPC-type decodingWESTERN DIGITAL TECH INC·Filed 2018·Granted Sep 17, 2019·26 cites·21 claims
0296US10236070B2Read level tracking and optimizationWESTERN DIGITAL TECH INC·Filed 2017·Granted Mar 19, 2019·14 cites·25 claims
0395US10530391B2Non-binary encoding for non-volatile memoryWESTERN DIGITAL TECH INC·Filed 2017·Granted Jan 7, 2020·10 cites·20 claims
0494US12099409B2Adjustable code rates and dynamic ECC in a data storage deviceWESTERN DIGITAL TECH INC·Filed 2022·Granted Sep 24, 2024·3 cites·26 claims
0593US11764813B1Extendable parity code matrix construction and utilization in a data storage deviceWESTERN DIGITAL TECH INC·Filed 2022·Granted Sep 19, 2023·3 cites·21 claims
0692US11677420B1Externalizing inter-symbol interference data in a data channelWESTERN DIGITAL TECH INC·Filed 2022·Granted Jun 13, 2023·3 cites·20 claims
0792US11049520B1Data storage device employing multi-tier coding for magnetic tapeWESTERN DIGITAL TECH INC·Filed 2020·Granted Jun 29, 2021·4 cites·18 claims
0891US10748567B1Data storage device aborting write operation based on accumulated track squeeze metric for adjacent data trackWESTERN DIGITAL TECHNOLOGIES INC·Filed 2019·Granted Aug 18, 2020·17 cites·20 claims
0991US10705966B1Mapping for multi-state programming of memory devicesWESTERN DIGITAL TECH INC·Filed 2018·Granted Jul 7, 2020·6 cites·20 claims
1090US11101006B2Read level tracking and optimizationWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 24, 2021·2 cites·20 claims
1189US10606699B2Data storage device employing multi-level parity sectors for data recovery procedureWESTERN DIGITAL TECH INC·Filed 2019·Granted Mar 31, 2020·6 cites·16 claims
1288US11372765B2Mapping for multi-state programming of memory devicesWESTERN DIGITAL TECH INC·Filed 2020·Granted Jun 28, 2022·2 cites·20 claims
1387US11636039B2Mapping for multi-state programming of memory devicesWESTERN DIGITAL TECH INC·Filed 2022·Granted Apr 25, 2023·1 cites·20 claims
1487US10748568B1Data storage device employing dynamic track trajectoriesWESTERN DIGITAL TECHNOLOGIES INC·Filed 2019·Granted Aug 18, 2020·7 cites·20 claims
1587US10748628B2Read level tracking and optimizationWESTERN DIGITAL TECHNOLOGIES INC·Filed 2019·Granted Aug 18, 2020·3 cites·20 claims
1686US12020733B2Sector metrics to estimate health of written dataWESTERN DIGITAL TECH INC·Filed 2022·Granted Jun 25, 2024·2 cites·22 claims
1784US11138996B1Data storage device employing embedded servo sectors for magnetic tapeWESTERN DIGITAL TECH INC·Filed 2020·Granted Oct 5, 2021·2 cites·7 claims
1883US10965321B2Transformation of binary data to non-binary data for storage in non-volatile memoryWESTERN DIGITAL TECH INC·Filed 2019·Granted Mar 30, 2021·1 cites·20 claims
1982US11811425B2Neural network soft information detector in a read channelWESTERN DIGITAL TECH INC·Filed 2021·Granted Nov 7, 2023·1 cites·22 claims
2082US10530390B2Data storage device employing memory efficient processing of un-converged codewordsWESTERN DIGITAL TECH INC·Filed 2018·Granted Jan 7, 2020·5 cites·15 claims
2178US11107522B2Multi-level cell programming using optimized multiphase mapping with balanced gray codeWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 31, 2021·1 cites·20 claims
2273US2025391506A1DNA Sequencing Using Viterbi-Like Correlation AnalysisWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
2372US12430202B2Nested error correction codes for DNA data storageWESTERN DIGITAL TECH INC·Filed 2023·Granted Sep 30, 2025·0 cites·20 claims
2472US12315534B2Modulation code and ECC rate optimization using symbol context mutual informationWESTERN DIGITAL TECH INC·Filed 2023·Granted May 27, 2025·0 cites·20 claims
2572US11621043B2Read level tracking and optimizationWESTERN DIGITAL TECH INC·Filed 2021·Granted Apr 4, 2023·0 cites·20 claims
2672US11055171B2Data storage device employing multi-level parity sectors for data recovery procedureWESTERN DIGITAL TECH INC·Filed 2020·Granted Jul 6, 2021·1 cites·12 claims
2771US12374365B2Data storage device configuration using mutual informationWESTERN DIGITAL TECH INC·Filed 2023·Granted Jul 29, 2025·0 cites·21 claims
2869US12474994B2Preprocessing for correcting insertions and deletions in DNA data storageWESTERN DIGITAL TECH INC·Filed 2023·Granted Nov 18, 2025·0 cites·20 claims
2969US10734071B2Multi-level cell programming using optimized multiphase mapping with balanced Gray codeWESTERN DIGITAL TECH INC·Filed 2018·Granted Aug 4, 2020·1 cites·19 claims
3068US12399778B2Channel circuit with zero force equalizerWESTERN DIGITAL TECH INC·Filed 2023·Granted Aug 26, 2025·0 cites·21 claims
3166US11735252B2Multi-level cell programming using optimized multiphase mapping with balanced gray codeWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 22, 2023·0 cites·16 claims
3266US11545999B2Transformation of data to non-binary data for storage in non-volatile memoriesWESTERN DIGITAL TECH INC·Filed 2021·Granted Jan 3, 2023·0 cites·20 claims
3363US12445142B2Channel circuit with asynchronous sampling from an oversampled analog-to-digital converterWESTERN DIGITAL TECH INC·Filed 2023·Granted Oct 14, 2025·0 cites·22 claims
3463US11289123B2Magnetic recording tape having embedded servo sectors on data tracksWESTERN DIGITAL TECH INC·Filed 2021·Granted Mar 29, 2022·0 cites·19 claims
3562US12373130B2Global variance parameter based on mutual information in a data channelWESTERN DIGITAL TECH INC·Filed 2023·Granted Jul 29, 2025·0 cites·20 claims
3662US12183376B1Data read synchronization from phase modulated synchronization fields in a data storage deviceWESTERN DIGITAL TECH INC·Filed 2023·Granted Dec 31, 2024·0 cites·20 claims
3762US11953987B1Trained states equalizer in a read channelWESTERN DIGITAL TECH INC·Filed 2022·Granted Apr 9, 2024·0 cites·22 claims
3861US10592334B2Data storage device emphasizing parity sector processing of un-converged codewordsWESTERN DIGITAL TECH INC·Filed 2018·Granted Mar 17, 2020·1 cites·11 claims
3960US2024211729A1Multiple Neural Network Training Nodes in a Read ChannelWESTERN DIGITAL TECH INC·Filed 2023·Application pending·0 cites
4057US12028091B2Adjustable code rates and dynamic ECC in a data storage device with write verificationWESTERN DIGITAL TECH INC·Filed 2022·Granted Jul 2, 2024·0 cites·20 claims
4156US11948602B2Offset spiral data track format for data storage devicesWESTERN DIGITAL TECH INC·Filed 2022·Granted Apr 2, 2024·0 cites·22 claims
4256US2025391507A1Embedded Reference Marks for Correcting Errors in DNA Data StorageWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
4355US10990295B2Write level optimization for non-volatile memoryWESTERN DIGITAL TECH INC·Filed 2018·Granted Apr 27, 2021·0 cites·20 claims
4454US11716097B2Signal correction using soft information in a data channelWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 1, 2023·0 cites·21 claims
4554US11487611B2LDPC encoding for memory cells with arbitrary number of levelsWESTERN DIGITAL TECH INC·Filed 2021·Granted Nov 1, 2022·0 cites·20 claims
4651US11411584B2Data storage device channel encoding current data using redundancy bits generated over preceding dataWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 9, 2022·0 cites·24 claims
4750US11756581B1Position and risk reconstruction in shingled magnetic recording data storage devicesWESTERN DIGITAL TECH INC·Filed 2022·Granted Sep 12, 2023·0 cites·22 claims
4849US2025391513A1Reference Marks Storing Embedded Oligo Index in DNA Data StorageWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
4945US11929093B2Overlapping processing of data tracksWESTERN DIGITAL TECH INC·Filed 2022·Granted Mar 12, 2024·0 cites·21 claims
5044US10937510B2Multidimensional pseudorandom binary sequence analysis for a memory deviceWESTERN DIGITAL TECH INC·Filed 2019·Granted Mar 2, 2021·0 cites·20 claims

Showing the top 50 of 52 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →