Inventor
JEONG WON-CHEOL
KR38 patents
⚠️ This page may combine multiple inventors who share the name “JEONG WON-CHEOL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
33 patentsUS7372722B2May 13, 2008
Methods of operating magnetic random access memory devices including heat-generating structures
SAMSUNG ELECTRONICS CO LTD102 citations98
US7440308B2Oct 21, 2008
Phase-change random access memory device and method of operating the same
SAMSUNG ELECTRONICS CO LTD88 citations97
US7651906B2Jan 26, 2010
Integrated circuit devices having a stress buffer spacer and methods of fabricating the same
SAMSUNG ELECTRONICS CO LTD27 citations93
US7598112B2Oct 6, 2009
Phase change memory devices and their methods of fabrication
SAMSUNG ELECTRONICS CO LTD24 citations93
US7521706B2Apr 21, 2009
Phase change memory devices with contact surface area to a phase changeable material defined by a sidewall of an electrode hole and methods of forming the same
SAMSUNG ELECTRONICS CO LTD22 citations93
US7442602B2Oct 28, 2008
Methods of fabricating phase change memory cells having a cell diode and a bottom electrode self-aligned with each other
SAMSUNG ELECTRONICS CO LTD39 citations93
US7092283B2Aug 15, 2006
Magnetic random access memory devices including heat generating layers and related methods
SAMSUNG ELECTRONICS CO LTD29 citations93
US7544565B2Jun 9, 2009
Semiconductor devices having a convex active region and methods of forming the same
SAMSUNG ELECTRONICS CO LTD30 citations92
US7369428B2May 6, 2008
Methods of operating a magnetic random access memory device and related devices and structures
SAMSUNG ELECTRONICS CO LTD19 citations92
US7164598B2Jan 16, 2007
Methods of operating magnetic random access memory device using spin injection and related devices
SAMSUNG ELECTRONICS CO LTD25 citations92
US7123505B2Oct 17, 2006
Method of reading information in a magnetic memory by a reversible resistance change in a magnetic tunnel junction
SAMSUNG ELECTRONICS CO LTD27 citations92
US7671395B2Mar 2, 2010
Phase change memory cells having a cell diode and a bottom electrode self-aligned with each other
SAMSUNG ELECTRONICS CO LTD14 citations84
US7534723B2May 19, 2009
Methods of forming fine patterns, and methods of forming trench isolation layers using the same
SAMSUNG ELECTRONICS CO LTD12 citations84
US7508699B2Mar 24, 2009
Magnetic memory device and method
SAMSUNG ELECTRONICS CO LTD9 citations84
US7307874B2Dec 11, 2007
Methods of operating magnetic random access memory devices including magnets adjacent magnetic tunnel junction structures
SAMSUNG ELECTRONICS CO LTD12 citations84
US6943420B2Sep 13, 2005
Magnetic random access memory (MRAM) devices having nonparallel main and reference magnetic resistors
SAMSUNG ELECTRONICS CO LTD16 citations84
US7262989B2Aug 28, 2007
Magnetic memory device having flux focusing layer therein
SAMSUNG ELECTRONICS CO LTD5 citations74
US7057222B2Jun 6, 2006
Magnetic memories with bit lines and digit lines that intersect at oblique angles and fabrication methods thereof
SAMSUNG ELECTRONICS CO LTD10 citations74
US11024631B2Jun 1, 2021
Integrated circuit device including field isolation layer and method of manufacturing the same
SAMSUNG ELECTRONICS CO LTD3 citations73
US7667998B2Feb 23, 2010
Phase change memory device and method of forming the same
SAMSUNG ELECTRONICS CO LTD6 citations63
US7622307B2Nov 24, 2009
Semiconductor devices having a planarized insulating layer and methods of forming the same
SAMSUNG ELECTRONICS CO LTD4 citations63
US7589994B2Sep 15, 2009
Methods of writing data to magnetic random access memory devices with bit line and/or digit line magnetic layers
SAMSUNG ELECTRONICS CO LTD2 citations63
US7577016B2Aug 18, 2009
Twin-cell semiconductor memory devices
SAMSUNG ELECTRONICS CO LTD6 citations63
US7569401B2Aug 4, 2009
Magnetic random access memory cells having split subdigit lines having cladding layers thereon and methods of fabricating the same
SAMSUNG ELECTRONICS CO LTD2 citations63
US7522447B2Apr 21, 2009
Magnetic memory devices and methods of forming the same
SAMSUNG ELECTRONICS CO LTD5 citations63
US7488981B2Feb 10, 2009
Memory devices having sharp-tipped phase change layer patterns
SAMSUNG ELECTRONICS CO LTD4 citations63
US7989869B2Aug 2, 2011
Non-volatile memory devices having improved operational characteristics
SAMSUNG ELECTRONICS CO LTD2 citations62
US7973357B2Jul 5, 2011
Non-volatile memory devices
SAMSUNG ELECTRONICS CO LTD0 citations52
US7910912B2Mar 22, 2011
Semiconductor devices having a planarized insulating layer
SAMSUNG ELECTRONICS CO LTD1 citations52
US7821820B2Oct 26, 2010
Magnetic memory device and method
SAMSUNG ELECTRONICS CO LTD0 citations52
US7639771B2Dec 29, 2009
Memory device with external magnetic field generator and method of operating and manufacturing the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US7414882B2Aug 19, 2008
Magnetic memory devices having rotationally offset magnetic storage elements therein
SAMSUNG ELECTRONICS CO LTD0 citations52
US12224315B2Feb 11, 2025
Semiconductor device
SAMSUNG ELECTRONICS CO LTD0 citations49
JEONG WON-CHEOL
2 patentsUS8119478B2Feb 21, 2012
Multi-bit phase-change random access memory (PRAM) with diameter-controlled contacts and methods of fabricating and programming the same
JEONG WON-CHEOL7 citations81
US8610192B2Dec 17, 2013
Non-volatile memory devices having charge storage layers at intersecting locations of word lines and active regions
JEONG WON-CHEOL0 citations48