Inventor
CHOI KANG SIK
KR77 patents
⚠️ This page may combine multiple inventors who share the name “CHOI KANG SIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SK HYNIX INC
44 patentsUS9716099B2Jul 25, 2017
Semiconductor device and manufacturing method thereof
SK HYNIX INC20 citations92
US10381375B2Aug 13, 2019
Semiconductor device and manufacturing method thereof
SK HYNIX INC5 citations84
US9853047B2Dec 26, 2017
Semiconductor device and method of manufacturing the same
SK HYNIX INC12 citations84
US10263010B2Apr 16, 2019
Semiconductor device and manufacturing method thereof
SK HYNIX INC9 citations83
US12424575B2Sep 23, 2025
Three-dimensional semiconductor device
SK HYNIX INC2 citations75
US11837639B2Dec 5, 2023
Semiconductor device and manufacturing method of semiconductor device
SK HYNIX INC2 citations73
US11257843B2Feb 22, 2022
Semiconductor memory device and manufacturing method of the semiconductor memory device
SK HYNIX INC2 citations73
US10950700B2Mar 16, 2021
Semiconductor device and manufacturing method of semiconductor device
SK HYNIX INC2 citations73
US10861866B2Dec 8, 2020
Semiconductor device and manufacturing method thereof
SK HYNIX INC4 citations73
US10811428B2Oct 20, 2020
Semiconductor device and manufacturing method of the semiconductor device
SK HYNIX INC1 citations73
US10770475B2Sep 8, 2020
Semiconductor device and manufacturing method of semiconductor device
SK HYNIX INC5 citations73
US10490567B2Nov 26, 2019
Semiconductor device and method of manufacturing the same
SK HYNIX INC2 citations73
US10418372B2Sep 17, 2019
Semiconductor device and method of manufacturing the same
SK HYNIX INC4 citations73
US10249634B2Apr 2, 2019
Semiconductor device and method of manufacturing the same
SK HYNIX INC1 citations73
US10243001B2Mar 26, 2019
Semiconductor device and method of manufacturing the same
SK HYNIX INC2 citations73
US9754670B1Sep 5, 2017
Semiconductor device having sub-block stack structures
SK HYNIX INC4 citations73
US9508429B2Nov 29, 2016
Vertical type semiconductor device, fabrication method thereof and operation method thereof
SK HYNIX INC3 citations73
US9543401B2Jan 10, 2017
3D semiconductor integrated circuit device and method of manufacturing the same
SK HYNIX INC4 citations72
US10727247B2Jul 28, 2020
Semiconductor device and manufacturing method of the semiconductor device
SK HYNIX INC2 citations71
US12550323B2Feb 10, 2026
Semiconductor memory device with a gate contact surrounded by a conductive pattern
SK HYNIX INC1 citations64
US12520477B2Jan 6, 2026
Method for fabricating three dimensional memory devices
SK HYNIX INC0 citations63
US9287325B2Mar 15, 2016
Vertical type semiconductor device, fabrication method thereof and operation method thereof
SK HYNIX INC2 citations63
US9040376B2May 26, 2015
Semiconductor device and method for manufacturing the same
SK HYNIX INC1 citations63
US12557284B2Feb 17, 2026
Semiconductor memory device and method of manufacturing semiconductor memory device
SK HYNIX INC0 citations62
US12538474B2Jan 27, 2026
Semiconductor device and method for fabricating the same
SK HYNIX INC0 citations62
US12453080B2Oct 21, 2025
Memory device and method for fabricating the same
SK HYNIX INC0 citations62
US12446224B2Oct 14, 2025
Semiconductor memory device and manufacturing method of the semiconductor memory device
SK HYNIX INC0 citations62
US12382631B2Aug 5, 2025
Semiconductor memory device and manufacturing method of the semiconductor memory device
SK HYNIX INC0 citations62
US12317495B2May 27, 2025
Semiconductor device and method of manufacturing the semiconductor device
SK HYNIX INC0 citations62
US12137563B2Nov 5, 2024
Semiconductor device and manufacturing method of the semiconductor device
SK HYNIX INC0 citations62
US12120879B2Oct 15, 2024
Semiconductor device and manufacturing method of semiconductor device
SK HYNIX INC0 citations62
US12063777B2Aug 13, 2024
Semiconductor device and method of manufacturing semiconductor device
SK HYNIX INC0 citations62
US11856777B2Dec 26, 2023
Semiconductor memory device and manufacturing method of the semiconductor memory device
SK HYNIX INC0 citations62
US11812602B2Nov 7, 2023
Semiconductor device and method of manufacturing the semiconductor device
SK HYNIX INC0 citations62
US11751384B2Sep 5, 2023
Semiconductor memory device and manufacturing method of the semiconductor memory device
SK HYNIX INC0 citations62
US11637122B2Apr 25, 2023
Semiconductor device and manufacturing method of semiconductor device
SK HYNIX INC0 citations62
US11621274B2Apr 4, 2023
Semiconductor device and manufacturing method of the semiconductor device
SK HYNIX INC0 citations62
US11557600B2Jan 17, 2023
Semiconductor device and manufacturing method thereof
SK HYNIX INC0 citations62
US11488962B2Nov 1, 2022
Memory device and method for fabricating the same
SK HYNIX INC1 citations62
US11437390B2Sep 6, 2022
Semiconductor device and method of manufacturing the same
SK HYNIX INC0 citations62
US11239333B2Feb 1, 2022
Semiconductor device and manufacturing method of semiconductor device
SK HYNIX INC0 citations62
US11217671B2Jan 4, 2022
Semiconductor device and manufacturing method thereof
SK HYNIX INC0 citations62
US11133328B2Sep 28, 2021
Semiconductor device and manufacturing method thereof
SK HYNIX INC0 citations62
US10978476B2Apr 13, 2021
Semiconductor device and method of manufacturing the same
SK HYNIX INC0 citations62
HYNIX SEMICONDUCTOR INC
5 patentsUS8349636B2Jan 8, 2013
Method of manufacturing a phase change memory device using a cross patterning technique
HYNIX SEMICONDUCTOR INC10 citations84
US7833861B2Nov 16, 2010
Semiconductor device having recess channel structure and method for manufacturing the same
HYNIX SEMICONDUCTOR INC7 citations74
US8373223B2Feb 12, 2013
Semiconductor device and method for fabricating the same
HYNIX SEMICONDUCTOR INC4 citations63
US7709328B2May 4, 2010
Semiconductor device and method for fabricating same
HYNIX SEMICONDUCTOR INC2 citations63
US7148112B2Dec 12, 2006
Method for manufacturing semiconductor device including a recess channel
HYNIX SEMICONDUCTOR INC5 citations63
CHOI KANG SIK
1 patentShowing the top 50 of 77 patents by PatentIndex Score.