Inventor
PLETKA ROMAN ALEXANDER
CH40 patents
Patents
40 patentsUS11264103B2Mar 1, 2022
Hybrid read voltage calibration in non-volatile random access memory
IBM12 citations86
US11138124B2Oct 5, 2021
Migrating data between block pools in a storage system
IBM10 citations86
US11023150B2Jun 1, 2021
Block mode toggling using hybrid controllers
IBM11 citations86
US10957407B1Mar 23, 2021
Calculating corrective read voltage offsets in non-volatile random access memory
IBM7 citations84
US12222800B2Feb 11, 2025
Write and retire pages in QLC NAND blocks
IBM2 citations75
US11656792B2May 23, 2023
Mirroring data in write caches of a controller of a non-volatile memory
IBM4 citations75
US12093171B2Sep 17, 2024
Proactive data placement in high density storage by a hybrid non-volatile storage controller
IBM2 citations73
US11797199B2Oct 24, 2023
Balancing utilization of memory pools of physical blocks of differing storage densities
IBM2 citations73
US11182089B2Nov 23, 2021
Adapting memory block pool sizes using hybrid controllers
IBM2 citations73
US11056199B2Jul 6, 2021
Updating corrective read voltage offsets in non-volatile random access memory
IBM3 citations73
US11036415B2Jun 15, 2021
Managing memory block calibration based on priority levels
IBM2 citations73
US10977181B2Apr 13, 2021
Data placement in write cache architecture supporting read heat data separation
IBM2 citations73
US10937512B2Mar 2, 2021
Managing programming errors in NAND flash memory
IBM2 citations73
US10658054B2May 19, 2020
Methods for read threshold voltage shifting in non-volatile memory
IBM4 citations73
US10942808B2Mar 9, 2021
Adaptive data and parity placement using compression ratios of storage devices
IBM3 citations71
US11221911B2Jan 11, 2022
Data recovery due to transient effects in NAND flash memories
IBM0 citations63
US12561098B1Feb 24, 2026
Write stream separation for storage controllers
IBM0 citations62
US12366984B2Jul 22, 2025
Storage pool resizing to meet memory endurance targets
IBM0 citations62
US12087379B2Sep 10, 2024
Calibration of threshold voltage shift values
IBM0 citations62
US11908531B2Feb 20, 2024
Detecting and managing under-program failures in non-volatile memory
IBM0 citations62
US11875831B2Jan 16, 2024
Page group read voltage threshold calibration
IBM0 citations62
US11762569B2Sep 19, 2023
Workload based relief valve activation for hybrid controller architectures
IBM1 citations62
US11756644B2Sep 12, 2023
Triage of multi-plane read requests
IBM0 citations62
US11567673B1Jan 31, 2023
Adaptive, proactive raid rebuild
IBM1 citations62
US11360903B2Jun 14, 2022
Data placement in write cache architecture supporting read heat data separation
IBM0 citations62
US11334492B2May 17, 2022
Calibrating pages of memory using partial page read operations
IBM1 citations62
US11302403B2Apr 12, 2022
Calculating corrective read voltage offsets in non-volatile random access memory
IBM0 citations62
US11188261B2Nov 30, 2021
Memory controllers for solid-state storage devices
IBM1 citations62
US11157379B2Oct 26, 2021
Managing blocks of memory based on block health using hybrid controllers
IBM1 citations62
US11151053B2Oct 19, 2021
Increasing data read and/or write heat tracking resolution in storage devices having cache architecture
IBM0 citations62
US11126360B2Sep 21, 2021
Dynamically adjusting block mode pool sizes
IBM1 citations62
US11119855B2Sep 14, 2021
Selectively storing parity data in different types of memory
IBM1 citations62
US10956049B2Mar 23, 2021
Wear-aware block mode conversion in non-volatile memory
IBM1 citations62
US11314595B2Apr 26, 2022
Adaptive data and parity placement using compression ratios of storage devices
IBM0 citations61
US12339770B2Jun 24, 2025
Storage of threshold voltage shifts
IBM0 citations52
US12007886B2Jun 11, 2024
Addressing page-correlated read issues using intra-block parity
IBM0 citations52
US10929069B2Feb 23, 2021
Addressing page-correlated read issues using intra-block parity
IBM0 citations52
US11861175B2Jan 2, 2024
Latency in data storage systems
IBM0 citations49
US12572655B2Mar 10, 2026
Detecting ransomware activity in data storage systems
IBM0 citations48
US12547911B2Feb 10, 2026
Characterizing a computerized system based on clusters of key performance indicators
IBM0 citations46