Inventor
AHN SU-JIN
KR30 patents
⚠️ This page may combine multiple inventors who share the name “AHN SU-JIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
24 patentsUS7042760B2May 9, 2006
Phase-change memory and method having restore function
SAMSUNG ELECTRONICS CO LTD67 citations98
US7440308B2Oct 21, 2008
Phase-change random access memory device and method of operating the same
SAMSUNG ELECTRONICS CO LTD88 citations97
US7149103B2Dec 12, 2006
Set programming methods and write driver circuits for a phase-change memory array
SAMSUNG ELECTRONICS CO LTD52 citations96
US9595346B2Mar 14, 2017
3-Dimensional semiconductor memory device and operating method thereof
SAMSUNG ELECTRONICS CO LTD22 citations94
US7482616B2Jan 27, 2009
Semiconductor devices having phase change memory cells, electronic systems employing the same and methods of fabricating the same
SAMSUNG ELECTRONICS CO LTD39 citations92
US7411208B2Aug 12, 2008
Phase-change memory device having a barrier layer and manufacturing method
SAMSUNG ELECTRONICS CO LTD20 citations92
US10242997B2Mar 26, 2019
Vertical memory devices
SAMSUNG ELECTRONICS CO LTD12 citations84
US8026543B2Sep 27, 2011
Semiconductor devices having phase change memory cells, electronic systems employing the same and methods of fabricating the same
SAMSUNG ELECTRONICS CO LTD12 citations84
US7480167B2Jan 20, 2009
Set programming methods and write driver circuits for a phase-change memory array
SAMSUNG ELECTRONICS CO LTD8 citations84
US7282761B2Oct 16, 2007
Semiconductor memory devices having offset transistors and methods of fabricating the same
SAMSUNG ELECTRONICS CO LTD10 citations84
US7309885B2Dec 18, 2007
PRAMs having a plurality of active regions located vertically in sequence and methods of forming the same
SAMSUNG ELECTRONICS CO LTD15 citations82
US6882561B2Apr 19, 2005
Semiconductor memory device comprising memory having active restoration function
SAMSUNG ELECTRONICS CO LTD8 citations74
US7521281B2Apr 21, 2009
Methods of forming phase-changeable memory devices
SAMSUNG ELECTRONICS CO LTD5 citations73
US7105870B2Sep 12, 2006
Phase-changeable memory devices
SAMSUNG ELECTRONICS CO LTD9 citations73
US6949783B2Sep 27, 2005
Memory cell transistor having different source/drain junction profiles connected to DC node and BC node and manufacturing method thereof
SAMSUNG ELECTRONICS CO LTD3 citations63
US11889692B2Jan 30, 2024
Vertical memory devices
SAMSUNG ELECTRONICS CO LTD0 citations62
US7989869B2Aug 2, 2011
Non-volatile memory devices having improved operational characteristics
SAMSUNG ELECTRONICS CO LTD2 citations62
US11152390B2Oct 19, 2021
Vertical semiconductor devices and methods of manufacturing the same
SAMSUNG ELECTRONICS CO LTD0 citations61
US7479405B2Jan 20, 2009
PRAMS having a plurality of active regions located vertically in sequence and methods of forming the same
SAMSUNG ELECTRONICS CO LTD2 citations60
US7419909B2Sep 2, 2008
Methods of forming a semiconductor device that allow patterns in different regions that have different pitches to be connected
SAMSUNG ELECTRONICS CO LTD5 citations60
US7524715B2Apr 28, 2009
Memory cell transistor having different source/drain junction profiles connected to DC node and BC node and manufacturing method thereof
SAMSUNG ELECTRONICS CO LTD0 citations52
US7112492B2Sep 26, 2006
Methods of fabricating semiconductor devices with scalable two transistor memory cells
SAMSUNG ELECTRONICS CO LTD0 citations52
US10700092B2Jun 30, 2020
Vertical semiconductor devices and methods of manufacturing the same
SAMSUNG ELECTRONICS CO LTD0 citations51
US10367002B2Jul 30, 2019
Vertical semiconductor devices and methods of manufacturing the same
SAMSUNG ELECTRONICS CO LTD0 citations51