Sankaranarayanan; Sundararajan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sankaranarayanan; Sundararajan.The latest application filed is for "mitigating data errors in a storage device".

Company Profile

23.40.33

Sankaranarayanan; Sundararajan - Freemont CA
Sankaranarayanan; Sundararajan - Fremont CA
Sankaranarayanan; Sundararajan - San Jose CA
Sankaranarayanan; Sundararajan - Wexford PA
Sankaranarayanan; Sundararajan - Pittsburgh PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Reordered data deduplication in storage devices Grant 11,042,316 - Xie , et al. June 22, 2	2021-06-22
Mitigating Data Errors In A Storage Device App 20210181954 - Danjean; Ludovic ; et al.	2021-06-17
Reduction or elimination of a latency penalty associated with adjusting read thresholds for non-volatile memory Grant 11,024,396 - Chen , et al. June 1, 2	2021-06-01
Mitigating data errors in a storage device Grant 10,942,655 - Danjean , et al. March 9, 2	2021-03-09
Mitigating Data Errors In A Storage Device App 20210011631 - Danjean; Ludovic ; et al.	2021-01-14
Adaptive read threshold voltage tracking with gap estimation between adjacent read threshold voltages Grant 10,755,776 - Sankaranarayanan , et al. A	2020-08-25
Refresh, run, aggregate decoder recovery Grant 10,707,900 - Sankaranarayanan , et al.	2020-07-07
Enhanced address compaction Grant 10,705,970 - Sankaranarayanan , et al.	2020-07-07
Mitigation of error correction failure due to trapping sets Grant 10,666,295 - Danjean , et al.	2020-05-26
Data compression with redundancy removal across boundaries of compression search engines Grant 10,599,355 - Xie , et al.	2020-03-24
Read disturb detection based on dynamic bit error rate estimation Grant 10,482,983 - Alhussien , et al. Nov	2019-11-19
Reduction Or Elimination Of A Latency Penalty Associated With Adjusting Read Thresholds For Non-volatile Memory App 20190348133 - Chen; Zhengang ; et al.	2019-11-14
Reordered local data deduplication in storage devices Grant 10,409,518 - Xie , et al. Sept	2019-09-10
Reduction or elimination of a latency penalty associated with adjusting read thresholds for non-volatile memory Grant 10,388,385 - Chen , et al. A	2019-08-20
Adaptive read threshold voltage tracking with charge leakage mitigation using charge leakage settling time Grant 10,388,368 - Danjean , et al. A	2019-08-20
Adaptive read threshold voltage tracking with separate characterization on each side of voltage distribution about distribution mean Grant 10,347,343 - Sankaranarayanan , et al. July 9, 2	2019-07-09
Refresh, run, aggregate decoder recovery Grant 10,298,263 - Sankaranarayanan , et al.	2019-05-21
Independent read threshold voltage tracking for multiple dependent read threshold voltages using syndrome weights Grant 10,290,358 - Alhussien , et al.	2019-05-14
Adaptive Read Threshold Voltage Tracking With Charge Leakage Mitigation Using Threshold Voltage Offsets App 20190130966 - Danjean; Ludovic ; et al.	2019-05-02
Adaptive Read Threshold Voltage Tracking With Charge Leakage Mitigation Using Charge Leakage Settling Time App 20190130967 - Danjean; Ludovic ; et al.	2019-05-02
Read retry operations with estimation of written data based on syndrome weights Grant 10,276,247 - Alhussien , et al.	2019-04-30
Adaptive read threshold voltage tracking with charge leakage mitigation using threshold voltage offsets Grant 10,276,233 - Danjean , et al.	2019-04-30
Adaptive Read Threshold Voltage Tracking With Gap Estimation Between Adjacent Read Threshold Voltages App 20190122726 - Sankaranarayanan; Sundararajan ; et al.	2019-04-25
Low density parity check (LDPC) decoder with pre-saturation compensation Grant 10,263,640 - Djurdjevic , et al.	2019-04-16
Adaptive read threshold voltage tracking with gap estimation between default read threshold voltages Grant 10,192,614 - Sankaranarayanan , et al. Ja	2019-01-29
Adaptive read threshold voltage tracking with bit error rate estimation based on non-linear syndrome weight mapping Grant 10,180,868 - Alhussien , et al. Ja	2019-01-15
Mitigation of error correction failure due to trapping sets Grant 10,177,787 - Danjean , et al. J	2019-01-08
Data Compression With Redundancy Removal Across Boundaries Of Compression Search Engines App 20180329642 - Xie; Hongmei ; et al.	2018-11-15
Low Density Parity Check (LDPC) Decoder with Pre-Saturation Compensation App 20180287635 - Djurdjevic; Ivana ; et al.	2018-10-04
Establishing parameters of subsequent read retry operations based on syndrome weights of prior failed decodings Grant 10,043,582 - Alhussien , et al. August 7, 2	2018-08-07
Read Disturb Detection Based on Dynamic Bit Error Rate Estimation App 20180182465 - Alhussien; Abdel Hakim ; et al.	2018-06-28
Framework for balancing robustness and latency during collection of statistics from soft reads Grant 9,898,209 - Sankaranarayanan , et al. February 20, 2	2018-02-20
Independent Read Threshold Voltage Tracking For Multiple Dependent Read Threshold Voltages Using Syndrome Weights App 20180012663 - Alhussien; AbdelHakim S. ; et al.	2018-01-11
Adaptive Read Threshold Voltage Tracking With Bit Error Rate Estimation Based On Non-linear Syndrome Weight Mapping App 20180011753 - Alhussien; AbdelHakim S. ; et al.	2018-01-11
Read threshold voltage adaptation using bit error rates based on decoded data Grant 9,818,488 - Sankaranarayanan , et al. November 14, 2	2017-11-14
Establishing Parameters Of Subsequent Read Retry Operations Based On Syndrome Weights Of Prior Failed Decodings App 20170236592 - Alhussien; AbdelHakim S. ; et al.	2017-08-17
Framework For Balancing Robustness And Latency During Collection Of Statistics From Soft Reads App 20170212693 - Sankaranarayanan; Sundararajan ; et al.	2017-07-27
Reduction or Elimination of a Latency Penalty Associated With Adjusting Read Thresholds for Non-Volatile Memory App 20170162268 - Chen; Zhengang ; et al.	2017-06-08
Framework for balancing robustness and latency during collection of statistics from soft reads Grant 9,645,763 - Sankaranarayanan , et al. May 9, 2	2017-05-09
Adaptive Read Threshold Voltage Tracking With Separate Characterization On Each Side Of Voltage Distribution About Distribution Mean App 20170125110 - Sankaranarayanan; Sundararajan ; et al.	2017-05-04
Read Retry Operations With Estimation Of Written Data Based On Syndrome Weights App 20170125114 - Alhussien; AbdelHakim S. ; et al.	2017-05-04
Read Threshold Voltage Adaptation Using Bit Error Rates Based On Decoded Data App 20170125111 - Sankaranarayanan; Sundararajan ; et al.	2017-05-04
Adaptive Read Threshold Voltage Tracking With Gap Estimation Between Default Read Threshold Voltages App 20170125089 - Sankaranarayanan; Sundararajan ; et al.	2017-05-04
Read retry operations where likelihood value assignments change sign at different read voltages for each read retry Grant 9,633,740 - Alhussien , et al. April 25, 2	2017-04-25
Reduction or elimination of a latency penalty associated with adjusting read thresholds for non-volatile memory Grant 9,620,202 - Chen , et al. April 11, 2	2017-04-11
Read retry operations with read reference voltages ranked for different page populations of a memory Grant 9,563,502 - Alhussien , et al. February 7, 2	2017-02-07
Read retry for non-volatile memories Grant 9,548,128 - Alhussien , et al. January 17, 2	2017-01-17
Multiple retry reads in a read channel of a memory Grant 9,455,004 - Alhussien , et al. September 27, 2	2016-09-27
Estimating read reference voltage based on disparity and derivative metrics Grant 9,417,797 - Chen , et al. August 16, 2	2016-08-16
Adjusting log likelihood ratio values to compensate misplacement of read voltages Grant 9,396,792 - Wu , et al. July 19, 2	2016-07-19
Multiple Retry Reads In A Read Channel Of A Memory App 20160118093 - Alhussien; AbdelHakim S. ; et al.	2016-04-28
Read Retry For Non-Volatile Memories App 20160093396 - Alhussien; AbdelHakim S ; et al.	2016-03-31
Multiple retry reads in a read channel of a memory Grant 9,236,099 - Alhussien , et al. January 12, 2	2016-01-12
Estimating Read Reference Voltage Based On Disparity And Derivative Metrics App 20150355838 - Chen; Zhengang ; et al.	2015-12-10
Read retry for non-volatile memories Grant 9,209,835 - Alhussien , et al. December 8, 2	2015-12-08
Systems and methods for directed soft data perturbation in layered decoding Grant 9,184,954 - Alhussien , et al. November 10, 2	2015-11-10
Time-multiplexed single input single output (SISO) data recovery channel Grant 9,165,597 - Sankaranarayanan , et al. October 20, 2	2015-10-20
Detecting track information from overlapping signals read from a data storage medium Grant 9,123,356 - Sankaranarayanan , et al. September 1, 2	2015-09-01
Adjusting Log Likelihood Ratio Values To Compensate Misplacement Of Read Voltages App 20150243363 - Wu; Yunxiang ; et al.	2015-08-27
Refresh, Run, Aggregate Decoder Recovery App 20150236726 - Sankaranarayanan; Sundararajan ; et al.	2015-08-20
Framework For Balancing Robustness And Latency During Collection Of Statistics From Soft Reads App 20150199149 - Sankaranarayanan; Sundararajan ; et al.	2015-07-16
Multiple Retry Reads In A Read Channel Of A Memory App 20150162057 - Alhussien; AbdelHakim S. ; et al.	2015-06-11
Read Retry For Non-Volatile Memories App 20150149840 - Alhussien; AbdelHakim S. ; et al.	2015-05-28
Flash memory reference voltage detection with tracking of cross-points of cell voltage distributions using histograms Grant 9,036,413 - Wu , et al. May 19, 2	2015-05-19
Reduction Or Elimination Of A Latency Penalty Associated With Adjusting Read Thresholds For Non-volatile Memory App 20150127883 - Chen; Zhengang ; et al.	2015-05-07
Flash Memory Reference Voltage Detection With Tracking Of Cross-points Of Cell Voltage Distributions Using Histograms App 20150092489 - Wu; Yunxiang ; et al.	2015-04-02
Time-multiplexed Single Input Single Output (siso) Data Recovery Channel App 20150003221 - Sankaranarayanan; Sundararajan ; et al.	2015-01-01
Detecting Track Information From Overlapping Signals Read From A Data Storage Medium App 20140160590 - Sankaranarayanan; Sundararajan ; et al.	2014-06-12
Off-track aware equalizer design for bit-patterned media Grant 8,199,800 - Sankaranarayanan , et al. June 12, 2	2012-06-12
Multi-input multi-output read-channel architecture for recording systems App 20100211830 - Sankaranarayanan; Sundararajan ; et al.	2010-08-19
Zone based timing recovery for bit patterned media Grant 7,729,074 - Venkataramani , et al. June 1, 2	2010-06-01
Off-track Aware Equalizer Design For Bit-patterned Media App 20100027605 - Sankaranarayanan; Sundararajan ; et al.	2010-02-04
Zone Based Timing Recovery For Bit Patterned Media App 20090002865 - Venkataramani; Raman Chatapuram ; et al.	2009-01-01

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