Niranjay Ravindran

Person

Rochester, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Adjustable code rates and dynamic ECC in a data storage device
- Patent number 12,099,409
- Issue date Sep 24, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adjustable code rates and dynamic ECC in a data storage device with...
- Patent number 12,028,091
- Issue date Jul 2, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sector metrics to estimate health of written data
- Patent number 12,020,733
- Issue date Jun 25, 2024
- Western Digital Technologies, Inc.
- Niranjay Ravindran
- G11 - INFORMATION STORAGE
Information Patent Grant
Trained states equalizer in a read channel
- Patent number 11,953,987
- Issue date Apr 9, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Offset spiral data track format for data storage devices
- Patent number 11,948,602
- Issue date Apr 2, 2024
- Western Digital Technologies, Inc.
- Weldon M. Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Overlapping processing of data tracks
- Patent number 11,929,093
- Issue date Mar 12, 2024
- Western Digital Technologies, Inc.
- Weldon M. Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Neural network soft information detector in a read channel
- Patent number 11,811,425
- Issue date Nov 7, 2023
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Extendable parity code matrix construction and utilization in a dat...
- Patent number 11,764,813
- Issue date Sep 19, 2023
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Position and risk reconstruction in shingled magnetic recording dat...
- Patent number 11,756,581
- Issue date Sep 12, 2023
- Western Digital Technologies, Inc.
- Weldon M. Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-level cell programming using optimized multiphase mapping wit...
- Patent number 11,735,252
- Issue date Aug 22, 2023
- Western Digital Technologies, Inc.
- Mostafa El Gamal
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal correction using soft information in a data channel
- Patent number 11,716,097
- Issue date Aug 1, 2023
- Western Digital Technologies, Inc.
- Richard Galbraith
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Externalizing inter-symbol interference data in a data channel
- Patent number 11,677,420
- Issue date Jun 13, 2023
- Western Digital Technologies, Inc.
- Richard Galbraith
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mapping for multi-state programming of memory devices
- Patent number 11,636,039
- Issue date Apr 25, 2023
- Western Digital Technologies, Inc.
- Bernie Rub
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Read level tracking and optimization
- Patent number 11,621,043
- Issue date Apr 4, 2023
- Western Digital Technologies, Inc.
- Richard David Barndt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transformation of data to non-binary data for storage in non-volati...
- Patent number 11,545,999
- Issue date Jan 3, 2023
- Western Digital Technologies, Inc.
- Richard Leo Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
LDPC encoding for memory cells with arbitrary number of levels
- Patent number 11,487,611
- Issue date Nov 1, 2022
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device channel encoding current data using redundancy...
- Patent number 11,411,584
- Issue date Aug 9, 2022
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mapping for multi-state programming of memory devices
- Patent number 11,372,765
- Issue date Jun 28, 2022
- Western Digital Technologies, Inc.
- Bernie Rub
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic recording tape having embedded servo sectors on data tracks
- Patent number 11,289,123
- Issue date Mar 29, 2022
- Western Digital Technologies, Inc.
- Richard L. Galbraith
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device employing embedded servo sectors for magnetic tape
- Patent number 11,138,996
- Issue date Oct 5, 2021
- Western Digital Technologies, Inc.
- Richard L. Galbraith
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-level cell programming using optimized multiphase mapping wit...
- Patent number 11,107,522
- Issue date Aug 31, 2021
- Western Digital Technologies, Inc.
- Mostafa El Gamal
- G11 - INFORMATION STORAGE
Information Patent Grant
Read level tracking and optimization
- Patent number 11,101,006
- Issue date Aug 24, 2021
- Western Digital Technologies, Inc.
- Richard David Barndt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device employing multi-level parity sectors for data r...
- Patent number 11,055,171
- Issue date Jul 6, 2021
- Western Digital Technologies, Inc.
- Niranjay Ravindran
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device employing multi-tier coding for magnetic tape
- Patent number 11,049,520
- Issue date Jun 29, 2021
- Western Digital Technologies, Inc.
- Richard L. Galbraith
- G11 - INFORMATION STORAGE
Information Patent Grant
Write level optimization for non-volatile memory
- Patent number 10,990,295
- Issue date Apr 27, 2021
- Western Digital Technologies, Inc.
- Richard Leo Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transformation of binary data to non-binary data for storage in non...
- Patent number 10,965,321
- Issue date Mar 30, 2021
- Western Digital Technologies, Inc.
- Richard Leo Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multidimensional pseudorandom binary sequence analysis for a memory...
- Patent number 10,937,510
- Issue date Mar 2, 2021
- Western Digital Technologies, Inc.
- Richard Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-dimensional quasi-cyclic (QC) low-density parity-check (LDPC)...
- Patent number 10,897,271
- Issue date Jan 19, 2021
- Western Digital Technologies, Inc.
- Richard Leo Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Read level tracking and optimization
- Patent number 10,748,628
- Issue date Aug 18, 2020
- Western Digital Technologies, Inc.
- Richard David Barndt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device employing dynamic track trajectories
- Patent number 10,748,568
- Issue date Aug 18, 2020
- Western Digital Technologies, Inc.
- Alain Chahwan
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Global Variance Parameter Based on Mutual Information in a Data Cha...
- Publication number 20240264765
- Publication date Aug 8, 2024
- Western Digital Technologies, Inc.
- Richard Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data Storage Device Configuration Using Mutual Information
- Publication number 20240265943
- Publication date Aug 8, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G11 - INFORMATION STORAGE
Information Patent Application
Modulation Code and ECC Rate Optimization Using Symbol Context Mutu...
- Publication number 20240265948
- Publication date Aug 8, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G11 - INFORMATION STORAGE
Information Patent Application
Multiple Neural Network Training Nodes in a Read Channel
- Publication number 20240211729
- Publication date Jun 27, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Preprocessing for Correcting Insertions and Deletions in DNA Data S...
- Publication number 20240184666
- Publication date Jun 6, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Nested Error Correction Codes for DNA Data Storage
- Publication number 20240185959
- Publication date Jun 6, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G11 - INFORMATION STORAGE
Information Patent Application
Adjustable Code Rates and Dynamic ECC in a Data Storage Device with...
- Publication number 20240106461
- Publication date Mar 28, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Trained States Equalizer in a Read Channel
- Publication number 20240095121
- Publication date Mar 21, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Channel Circuit with Asynchronous Sampling from an Oversampled Anal...
- Publication number 20240097696
- Publication date Mar 21, 2024
- Western Digital Technologies, Inc.
- Richard Galbraith
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Offset Spiral Data Track Format for Data Storage Devices
- Publication number 20240005959
- Publication date Jan 4, 2024
- Western Digital Technologies, Inc.
- Weldon M. Hanson
- G11 - INFORMATION STORAGE
Information Patent Application
Adjustable Code Rates and Dynamic ECC in a Data Storage Device
- Publication number 20230393937
- Publication date Dec 7, 2023
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECTOR METRICS TO ESTIMATE HEALTH OF WRITTEN DATA
- Publication number 20230335158
- Publication date Oct 19, 2023
- Western Digital Technologies, Inc.
- Niranjay Ravindran
- G11 - INFORMATION STORAGE
Information Patent Application
POSITION AND RISK RECONSTRUCTION IN SHINGLED MAGNETIC RECORDING DAT...
- Publication number 20230306994
- Publication date Sep 28, 2023
- Western Digital Technologies, Inc.
- Weldon M. Hanson
- G11 - INFORMATION STORAGE
Information Patent Application
Overlapping Processing of Data Tracks
- Publication number 20230307000
- Publication date Sep 28, 2023
- Western Digital Technologies, Inc.
- Weldon M. Hanson
- G11 - INFORMATION STORAGE
Information Patent Application
Signal Correction Using Soft Information in a Data Channel
- Publication number 20230208445
- Publication date Jun 29, 2023
- Western Digital Technologies, Inc.
- Richard Galbraith
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Neural Network Soft Information Detector in a Read Channel
- Publication number 20220376711
- Publication date Nov 24, 2022
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Mapping for Multi-State Programming of Memory Devices
- Publication number 20220283950
- Publication date Sep 8, 2022
- Western Digital Technologies, Inc.
- Bernie RUB
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LDPC Encoding For Memory Cells With Arbitrary Number Of Levels
- Publication number 20220107865
- Publication date Apr 7, 2022
- Western Digital Technologies, Inc.
- Iouri OBOUKHOV
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA STORAGE DEVICE CHANNEL ENCODING CURRENT DATA USING REDUNDANCY...
- Publication number 20220103188
- Publication date Mar 31, 2022
- Western Digital Technologies, Inc.
- IOURI OBOUKHOV
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DATA STORAGE DEVICE EMPLOYING EMBEDDED SERVO SECTORS FOR MAGNETIC TAPE
- Publication number 20210350825
- Publication date Nov 11, 2021
- Western Digital Technologies, Inc.
- RICHARD L. GALBRAITH
- G11 - INFORMATION STORAGE
Information Patent Application
Multi-Level Cell Programming Using Optimized Multiphase Mapping wit...
- Publication number 20210327504
- Publication date Oct 21, 2021
- Western Digital Technologies, Inc.
- Mostafa EL GAMAL
- G11 - INFORMATION STORAGE
Information Patent Application
Read Level Tracking and Optimization
- Publication number 20210319837
- Publication date Oct 14, 2021
- Western Digital Technologies, Inc.
- Richard David BARNDT
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Transformation of Data to Non-Binary Data For Storage in Non-Volati...
- Publication number 20210175903
- Publication date Jun 10, 2021
- Western Digital Technologies, Inc.
- Richard Leo GALBRAITH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MULTIDIMENSIONAL PSEUDORANDOM BINARY SEQUENCE ANALYSIS FOR A MEMORY...
- Publication number 20200411121
- Publication date Dec 31, 2020
- Western Digital Technologies, Inc.
- Richard Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Read Level Tracking and Optimization
- Publication number 20200335173
- Publication date Oct 22, 2020
- Western Digital Technologies, Inc.
- Richard David BARNDT
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multi-Level Cell Programming Using Optimized Multiphase Mapping Wit...
- Publication number 20200327933
- Publication date Oct 15, 2020
- Western Digital Technologies, Inc.
- Mostafa EL GAMAL
- G11 - INFORMATION STORAGE
Information Patent Application
Mapping for Multi-State Programming of Memory Devices
- Publication number 20200320009
- Publication date Oct 8, 2020
- Western Digital Technologies, Inc.
- Bernie RUB
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA STORAGE DEVICE EMPLOYING MULTI-LEVEL PARITY SECTORS FOR DATA R...
- Publication number 20200210277
- Publication date Jul 2, 2020
- Western Digital Technologies, Inc.
- NIRANJAY RAVINDRAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAPPING FOR MULTI-STATE PROGRAMMING OF MEMORY DEVICES
- Publication number 20200192807
- Publication date Jun 18, 2020
- Western Digital Technologies, Inc.
- Bernie RUB
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTI-LEVEL CELL PROGRAMMING USING OPTIMIZED MULTIPHASE MAPPING WIT...
- Publication number 20200194063
- Publication date Jun 18, 2020
- Western Digital Technologies, Inc.
- Mostafa EL GAMAL
- G11 - INFORMATION STORAGE

Niranjay Ravindran

Person

Patents Grantslast 30 patents

Adjustable code rates and dynamic ECC in a data storage device

Adjustable code rates and dynamic ECC in a data storage device with...

Sector metrics to estimate health of written data

Trained states equalizer in a read channel

Offset spiral data track format for data storage devices

Overlapping processing of data tracks

Neural network soft information detector in a read channel

Extendable parity code matrix construction and utilization in a dat...

Position and risk reconstruction in shingled magnetic recording dat...

Multi-level cell programming using optimized multiphase mapping wit...

Signal correction using soft information in a data channel

Externalizing inter-symbol interference data in a data channel

Mapping for multi-state programming of memory devices

Read level tracking and optimization

Transformation of data to non-binary data for storage in non-volati...

LDPC encoding for memory cells with arbitrary number of levels

Data storage device channel encoding current data using redundancy...

Mapping for multi-state programming of memory devices

Magnetic recording tape having embedded servo sectors on data tracks

Data storage device employing embedded servo sectors for magnetic tape

Multi-level cell programming using optimized multiphase mapping wit...

Read level tracking and optimization

Data storage device employing multi-level parity sectors for data r...

Data storage device employing multi-tier coding for magnetic tape

Write level optimization for non-volatile memory

Transformation of binary data to non-binary data for storage in non...

Multidimensional pseudorandom binary sequence analysis for a memory...

Multi-dimensional quasi-cyclic (QC) low-density parity-check (LDPC)...

Read level tracking and optimization

Data storage device employing dynamic track trajectories

Patents Applicationslast 30 patents

Global Variance Parameter Based on Mutual Information in a Data Cha...

Data Storage Device Configuration Using Mutual Information

Modulation Code and ECC Rate Optimization Using Symbol Context Mutu...

Multiple Neural Network Training Nodes in a Read Channel

Preprocessing for Correcting Insertions and Deletions in DNA Data S...

Nested Error Correction Codes for DNA Data Storage

Adjustable Code Rates and Dynamic ECC in a Data Storage Device with...

Trained States Equalizer in a Read Channel

Channel Circuit with Asynchronous Sampling from an Oversampled Anal...

Offset Spiral Data Track Format for Data Storage Devices

Adjustable Code Rates and Dynamic ECC in a Data Storage Device

SECTOR METRICS TO ESTIMATE HEALTH OF WRITTEN DATA

POSITION AND RISK RECONSTRUCTION IN SHINGLED MAGNETIC RECORDING DAT...

Overlapping Processing of Data Tracks

Signal Correction Using Soft Information in a Data Channel

Neural Network Soft Information Detector in a Read Channel

Mapping for Multi-State Programming of Memory Devices

LDPC Encoding For Memory Cells With Arbitrary Number Of Levels

DATA STORAGE DEVICE CHANNEL ENCODING CURRENT DATA USING REDUNDANCY...

DATA STORAGE DEVICE EMPLOYING EMBEDDED SERVO SECTORS FOR MAGNETIC TAPE

Multi-Level Cell Programming Using Optimized Multiphase Mapping wit...

Read Level Tracking and Optimization

Transformation of Data to Non-Binary Data For Storage in Non-Volati...

MULTIDIMENSIONAL PSEUDORANDOM BINARY SEQUENCE ANALYSIS FOR A MEMORY...

Read Level Tracking and Optimization

Multi-Level Cell Programming Using Optimized Multiphase Mapping Wit...

Mapping for Multi-State Programming of Memory Devices

DATA STORAGE DEVICE EMPLOYING MULTI-LEVEL PARITY SECTORS FOR DATA R...

MAPPING FOR MULTI-STATE PROGRAMMING OF MEMORY DEVICES

MULTI-LEVEL CELL PROGRAMMING USING OPTIMIZED MULTIPHASE MAPPING WIT...