CK

Cheul Hee Koo

SH Sk Hynix: 21 patents #307 of 4,849Top 7%
Overall (All Time): #209,271 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
9627070 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 Byoung Young KIM 2017-04-18
9251901 Semiconductor memory device with high threshold voltage distribution reliability method 2016-02-02
9082487 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 Byoung Young KIM 2015-07-14
8908462 Semiconductor device including current compensator Sam Kyu Won, Duck Ju Kim, Won Kyung KANG 2014-12-09
8902646 Memory and method for operating the same Byung Ryul Kim, Byoung Young KIM 2014-12-02
8743632 Nonvolatile memory device, operating method thereof, and data storage device having the same Byung Ryul Kim, Duck Ju Kim 2014-06-03
8582362 Circuit for precharging bit line and nonvolatile memory device including the same 2013-11-12
8339880 Circuit for controlling redundancy in semiconductor memory apparatus 2012-12-25
8207771 Duty cycle correcting circuit and duty cycle correcting method 2012-06-26
8184482 Nonvolatile memory device for preventing a source line bouncing phenomenon 2012-05-22
8085602 Page buffer circuit, nonvolatile memory device including the page buffer circuit, and method of operating the nonvolatile memory device Chang Won Yang, Sam Kyu Won 2011-12-27
7903481 Page buffer circuit, nonvolatile device including the same, and method of operating the nonvolatile memory device Jun Rye Rho 2011-03-08
7898876 Page buffer circuit, nonvolatile memory device including the page buffer circuit, and method of operating the nonvolatile memory device Chang Won Yang, Sam Kyu Won 2011-03-01
7870414 Clock tree circuit and semiconductor memory device using the same, and duty cycle correction method 2011-01-11
7782078 On die termination circuit and method for calibrating the same 2010-08-24
7679983 Address path circuit with row redundant scheme 2010-03-16
7675337 Duty cycle correcting circuit and duty cycle correcting method 2010-03-09
7511546 Synchronous memory device with output driver controlller 2009-03-31
7391248 Duty cycle corrector of delay locked loop 2008-06-24
7391660 Address path circuit with row redundant scheme 2008-06-24
7099228 Semiconductor memory device 2006-08-29