Assignee
SK HYNIX INC
KR5,000+ patents
Top patents by PatentIndex Score
US9640542B2May 2, 2017
Semiconductor device having contact pads
SK HYNIX INC396 citations99
US11086537B2Aug 10, 2021
Method and system to perform urgency level garbage collection based on write history of memory blocks
SK HYNIX INC77 citations98
US9953696B2Apr 24, 2018
Refresh control circuit for target refresh operation of semiconductor memory device, and operating method thereof
SK HYNIX INC73 citations98
US9818469B1Nov 14, 2017
Refresh control device and semiconductor device including the same
SK HYNIX INC90 citations98
US9691466B1Jun 27, 2017
Memory device including refresh controller
SK HYNIX INC97 citations98
US9685240B1Jun 20, 2017
Memory device to alleviate the effects of row hammer condition and memory system including the same
SK HYNIX INC83 citations98
US9627405B1Apr 18, 2017
Semiconductor device and manufacturing method thereof
SK HYNIX INC68 citations98
US9514850B2Dec 6, 2016
Memory device with improved refresh scheme for redundancy word line
SK HYNIX INC73 citations98
US9508456B1Nov 29, 2016
Self repair device and method thereof
SK HYNIX INC65 citations98
US9356073B1May 31, 2016
Semiconductor device including air gaps and method of fabricating the same
SK HYNIX INC51 citations98
US9311985B2Apr 12, 2016
Memory and memory system for periodic targeted refresh
SK HYNIX INC69 citations98
US9224752B1Dec 29, 2015
Double-source semiconductor device
SK HYNIX INC64 citations98
US9196377B1Nov 24, 2015
Anti-fuse type one-time programmable memory cell and anti-fuse type one-time programmable memory cell arrays
SK HYNIX INC53 citations98
US9123447B2Sep 1, 2015
Memory, memory system including the same and method for operating memory
SK HYNIX INC70 citations98
US8811100B2Aug 19, 2014
Cell array and memory device including the same
SK HYNIX INC84 citations98
US10297305B1May 21, 2019
Memory device having twin cell mode and refresh method thereof
SK HYNIX INC69 citations97
US9865806B2Jan 9, 2018
Electronic device and method for fabricating the same
SK HYNIX INC52 citations97
US9786351B2Oct 10, 2017
Semiconductor memory device for performing refresh operation and operating method therof
SK HYNIX INC69 citations97
US9672889B2Jun 6, 2017
Semiconductor memory device and refresh control method thereof
SK HYNIX INC69 citations97
US9646672B1May 9, 2017
Memory device and method of refreshing the same
SK HYNIX INC74 citations97
US9570143B2Feb 14, 2017
Semiconductor memory device for performing refresh operation
SK HYNIX INC73 citations97
US9484079B2Nov 1, 2016
Memory device and memory system including the same
SK HYNIX INC78 citations97
US9190139B2Nov 17, 2015
Memory and memory system including the same
SK HYNIX INC77 citations97
US9190137B2Nov 17, 2015
Memory performing target refresh operation and memory system including the same
SK HYNIX INC55 citations97
US10141326B1Nov 27, 2018
Semiconductor memory device
SK HYNIX INC63 citations96
US9425200B2Aug 23, 2016
Semiconductor device including air gaps and method for fabricating the same
SK HYNIX INC42 citations96
US11487678B2Nov 1, 2022
Apparatus and method for improving input/output throughput of a memory system
SK HYNIX INC18 citations94
US11108407B1Aug 31, 2021
Performance of a bit flipping (BF) decoder of an error correction system
SK HYNIX INC22 citations94
US11068408B2Jul 20, 2021
Memory system and operating method thereof
SK HYNIX INC23 citations94
US10896918B1Jan 19, 2021
Semiconductor memory device and manufacturing method thereof
SK HYNIX INC16 citations94
US10861562B1Dec 8, 2020
Deep learning based regression framework for read thresholds in a NAND flash memory
SK HYNIX INC24 citations94
US10593777B2Mar 17, 2020
Semiconductor device and method for fabricating the same
SK HYNIX INC16 citations94
US10490256B2Nov 26, 2019
Layout of semiconductor memory device including sub wordline driver
SK HYNIX INC17 citations94
US10475801B2Nov 12, 2019
Ferroelectric memory device and cross-point array apparatus including the same
SK HYNIX INC22 citations94
US10163924B2Dec 25, 2018
Manufacturing method of three-dimensional semiconductor memory device
SK HYNIX INC25 citations94
US10134747B2Nov 20, 2018
Semiconductor device and method of manufacturing the same
SK HYNIX INC19 citations94
US9998148B2Jun 12, 2018
Techniques for low complexity turbo product code decoding
SK HYNIX INC23 citations94
US9985048B2May 29, 2018
Semiconductor device and manufacturing method thereof
SK HYNIX INC29 citations94
US9871052B2Jan 16, 2018
Three-dimensional memory device having ring-shaped etch-stop patterns interposed between lower and upper layer stacks
SK HYNIX INC25 citations94
US9852993B2Dec 26, 2017
Lateral high voltage integrated devices having trench insulation field plates and metal field plates
SK HYNIX INC33 citations94
US9853051B1Dec 26, 2017
Semiconductor device and method of manufacturing the same
SK HYNIX INC23 citations94
US9847118B1Dec 19, 2017
Memory device and method for operating the same
SK HYNIX INC25 citations94
US9786598B2Oct 10, 2017
Semiconductor device with air gaps and method for fabricating the same
SK HYNIX INC31 citations94
US9773831B1Sep 26, 2017
Stacked type image sensors having a through silicon via structure
SK HYNIX INC38 citations94
US9734904B1Aug 15, 2017
Digital low drop-out regulator and resistive memory device using the same
SK HYNIX INC30 citations94
US9653562B2May 16, 2017
Nonvolatile memory device and method for manufacturing the same
SK HYNIX INC25 citations94
US9646701B2May 9, 2017
Non-volatile semiconductor memory device and improved verification and programming method for the same
SK HYNIX INC32 citations94
US9634011B2Apr 25, 2017
Semiconductor device having buried gate structure and method for manufacturing the same, memory cell having the same and electronic device having the same
SK HYNIX INC21 citations94
US9583152B1Feb 28, 2017
Layout of semiconductor memory device including sub wordline driver
SK HYNIX INC21 citations94
US9583201B1Feb 28, 2017
Storage device and operating method thereof
SK HYNIX INC33 citations94
Showing the top 50 of 5,000+ patents by PatentIndex Score.