Inventor
KOO CHEUL HEE
KR21 patents
⚠️ This page may combine multiple inventors who share the name “KOO CHEUL HEE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYNIX SEMICONDUCTOR INC
10 patentsUS7782078B2Aug 24, 2010
On die termination circuit and method for calibrating the same
HYNIX SEMICONDUCTOR INC25 citations92
US7898876B2Mar 1, 2011
Page buffer circuit, nonvolatile memory device including the page buffer circuit, and method of operating the nonvolatile memory device
HYNIX SEMICONDUCTOR INC8 citations84
US7870414B2Jan 11, 2011
Clock tree circuit and semiconductor memory device using the same, and duty cycle correction method
HYNIX SEMICONDUCTOR INC8 citations83
US7675337B2Mar 9, 2010
Duty cycle correcting circuit and duty cycle correcting method
HYNIX SEMICONDUCTOR INC12 citations83
US7511546B2Mar 31, 2009
Synchronous memory device with output driver controlller
HYNIX SEMICONDUCTOR INC3 citations62
US7391660B2Jun 24, 2008
Address path circuit with row redundant scheme
HYNIX SEMICONDUCTOR INC4 citations62
US7903481B2Mar 8, 2011
Page buffer circuit, nonvolatile device including the same, and method of operating the nonvolatile memory device
HYNIX SEMICONDUCTOR INC3 citations61
US7391248B2Jun 24, 2008
Duty cycle corrector of delay locked loop
HYNIX SEMICONDUCTOR INC0 citations51
US7099228B2Aug 29, 2006
Semiconductor memory device
HYNIX SEMICONDUCTOR INC1 citations51
US7679983B2Mar 16, 2010
Address path circuit with row redundant scheme
HYNIX SEMICONDUCTOR INC0 citations41
SK HYNIX INC
4 patentsUS8743632B2Jun 3, 2014
Nonvolatile memory device, operating method thereof, and data storage device having the same
SK HYNIX INC8 citations84
US9251901B2Feb 2, 2016
Semiconductor memory device with high threshold voltage distribution reliability method
SK HYNIX INC1 citations51
US9627070B2Apr 18, 2017
Program method of nonvolatile memory device for having dense threshold voltage distribution by controlling voltage of bit line according to threshold voltage of memory cell
SK HYNIX INC0 citations50
US8908462B2Dec 9, 2014
Semiconductor device including current compensator
SK HYNIX INC0 citations41
KOO CHEUL HEE
4 patentsUS9082487B2Jul 14, 2015
Program method of nonvolatile memory device for having dense threshold voltage distribution by controlling voltage of bit line according to threshold voltage of memory cell
KOO CHEUL HEE6 citations81
US8339880B2Dec 25, 2012
Circuit for controlling redundancy in semiconductor memory apparatus
KOO CHEUL HEE3 citations61
US8582362B2Nov 12, 2013
Circuit for precharging bit line and nonvolatile memory device including the same
KOO CHEUL HEE1 citations51
US8184482B2May 22, 2012
Nonvolatile memory device for preventing a source line bouncing phenomenon
KOO CHEUL HEE0 citations51