Inventor
TAN ZHANGXI
US49 patents
⚠️ This page may combine multiple inventors who share the name “TAN ZHANGXI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PURE STORAGE INC
48 patentsUS9836245B2Dec 5, 2017
Non-volatile RAM and flash memory in a non-volatile solid-state storage
PURE STORAGE INC174 citations99
US8874836B1Oct 28, 2014
Scheduling policy for queues in a non-volatile solid-state storage
PURE STORAGE INC392 citations99
US8868825B1Oct 21, 2014
Nonrepeating identifiers in an address space of a non-volatile solid-state storage
PURE STORAGE INC461 citations99
US9495255B2Nov 15, 2016
Error recovery in a storage cluster
PURE STORAGE INC71 citations98
US10572176B2Feb 25, 2020
Storage cluster operation using erasure coded data
PURE STORAGE INC18 citations94
US9880899B2Jan 30, 2018
Die-level monitoring in a storage cluster
PURE STORAGE INC14 citations93
US9483346B2Nov 1, 2016
Data rebuild on feedback from a queue in a non-volatile solid-state storage
PURE STORAGE INC20 citations93
US9082512B1Jul 14, 2015
Die-level monitoring in a storage cluster
PURE STORAGE INC25 citations93
US10983859B2Apr 20, 2021
Adjustable error correction based on memory health in a storage unit
PURE STORAGE INC5 citations84
US10528419B2Jan 7, 2020
Mapping around defective flash memory of a storage array
PURE STORAGE INC7 citations84
US9817750B2Nov 14, 2017
Profile-dependent write placement of data into a non-volatile solid-state storage
PURE STORAGE INC10 citations84
US9766972B2Sep 19, 2017
Masking defective bits in a storage array
PURE STORAGE INC14 citations84
US9747229B1Aug 29, 2017
Self-describing data format for DMA in a non-volatile solid-state storage
PURE STORAGE INC9 citations84
US9110789B1Aug 18, 2015
Nonrepeating identifiers in an address space of a non-volatile solid-state storage
PURE STORAGE INC9 citations84
US10216420B1Feb 26, 2019
Calibration of flash channels in SSD
PURE STORAGE INC12 citations83
US12271264B2Apr 8, 2025
Adjusting a variable parameter to increase reliability of stored data
PURE STORAGE INC1 citations75
US12253922B2Mar 18, 2025
Data rebuild based on solid state memory characteristics
PURE STORAGE INC1 citations75
US11722567B2Aug 8, 2023
Communication paths for storage devices having differing capacities
PURE STORAGE INC1 citations73
US11620197B2Apr 4, 2023
Recovering error corrected data
PURE STORAGE INC2 citations73
US11392522B2Jul 19, 2022
Transfer of segmented data
PURE STORAGE INC2 citations73
US11240307B2Feb 1, 2022
Multiple communication paths in a storage system
PURE STORAGE INC1 citations73
US11204830B2Dec 21, 2021
Die-level monitoring in a storage cluster
PURE STORAGE INC2 citations73
US11079962B2Aug 3, 2021
Addressable non-volatile random access memory
PURE STORAGE INC4 citations73
US11080154B2Aug 3, 2021
Recovering error corrected data
PURE STORAGE INC1 citations73
US10990283B2Apr 27, 2021
Proactive data rebuild based on queue feedback
PURE STORAGE INC3 citations73
US10853285B2Dec 1, 2020
Direct memory access data format
PURE STORAGE INC1 citations73
US10579474B2Mar 3, 2020
Die-level monitoring in a storage cluster
PURE STORAGE INC1 citations73
US10324812B2Jun 18, 2019
Error recovery in a storage cluster
PURE STORAGE INC1 citations73
US10268548B2Apr 23, 2019
Failure mapping in a storage array
PURE STORAGE INC1 citations73
US10216411B2Feb 26, 2019
Data rebuild on feedback from a queue in a non-volatile solid-state storage
PURE STORAGE INC3 citations73
US10198380B1Feb 5, 2019
Direct memory access data movement
PURE STORAGE INC2 citations73
US10185506B2Jan 22, 2019
Scheduling policy for queues in a non-volatile solid-state storage
PURE STORAGE INC4 citations73
US9558069B2Jan 31, 2017
Failure mapping in a storage array
PURE STORAGE INC3 citations73
US9501244B2Nov 22, 2016
Scheduling policy for queues in a non-volatile solid-state storage
PURE STORAGE INC4 citations73
US12373289B2Jul 29, 2025
Error correction incident tracking
PURE STORAGE INC0 citations63
US12314131B2May 27, 2025
Wear levelling for differing memory types
PURE STORAGE INC0 citations63
US12229402B2Feb 18, 2025
Intelligent operation scheduling based on latency of operations
PURE STORAGE INC0 citations63
US12135654B2Nov 5, 2024
Distributed storage system
PURE STORAGE INC0 citations63
US12069133B2Aug 20, 2024
Communication paths for differing types of solid state storage devices
PURE STORAGE INC0 citations63
US11656939B2May 23, 2023
Storage cluster memory characterization
PURE STORAGE INC0 citations63
US11544143B2Jan 3, 2023
Increased data reliability
PURE STORAGE INC0 citations63
US11442625B2Sep 13, 2022
Multiple read data paths in a storage system
PURE STORAGE INC0 citations63
US10983866B2Apr 20, 2021
Mapping defective memory in a storage system
PURE STORAGE INC0 citations63
US10817431B2Oct 27, 2020
Distributed storage addressing
PURE STORAGE INC0 citations52
US10693964B2Jun 23, 2020
Storage unit communication within a storage system
PURE STORAGE INC0 citations52
US10372617B2Aug 6, 2019
Nonrepeating identifiers in an address space of a non-volatile solid-state storage
PURE STORAGE INC0 citations52
US10178169B2Jan 8, 2019
Point to point based backend communication layer for storage processing
PURE STORAGE INC0 citations52
US10114757B2Oct 30, 2018
Nonrepeating identifiers in an address space of a non-volatile solid-state storage
PURE STORAGE INC1 citations52