Inventor
LEE YO SEP
KR22 patents
Patents
22 patentsUS9311985B2Apr 12, 2016
Memory and memory system for periodic targeted refresh
SK HYNIX INC69 citations98
US9123447B2Sep 1, 2015
Memory, memory system including the same and method for operating memory
SK HYNIX INC70 citations98
US9484079B2Nov 1, 2016
Memory device and memory system including the same
SK HYNIX INC78 citations97
US9997228B2Jun 12, 2018
Refresh control device with plurality of oscillator circuits
SK HYNIX INC6 citations84
US8873326B2Oct 28, 2014
Memory device
SK HYNIX INC7 citations83
US9007863B1Apr 14, 2015
Semiconductor devices
SK HYNIX INC11 citations82
US10529405B2Jan 7, 2020
Refresh control device with plurality of oscillator circuits
SK HYNIX INC3 citations73
US9202549B2Dec 1, 2015
Semiconductor memory device and memory system including the same
SK HYNIX INC4 citations73
US9123406B2Sep 1, 2015
Semiconductor memory device capable of selectively enabling/disabling a first input unit and a second input unit in response to a first and second internal clock in a gear-down mode
SK HYNIX INC4 citations73
US11139041B2Oct 5, 2021
Stacked semiconductor device and test method thereof
SK HYNIX INC4 citations72
US9030904B2May 12, 2015
Memory device and memory system having programmable refresh methods
SK HYNIX INC5 citations72
US10037811B1Jul 31, 2018
Integrated circuits compensating for timing skew difference between signals
SK HYNIX INC4 citations71
US12255177B2Mar 18, 2025
Stacked semiconductor device
SK HYNIX INC0 citations62
US11804258B2Oct 31, 2023
Semiconductor memory apparatus, operating method thereof, and semiconductor memory system including the same
SK HYNIX INC0 citations62
US11599306B2Mar 7, 2023
Memory device
SK HYNIX INC0 citations62
US11222684B2Jan 11, 2022
Refresh control device and memory device for latching an address randomly
SK HYNIX INC0 citations62
US11289174B2Mar 29, 2022
Stacked semiconductor device and semiconductor system including the same
SK HYNIX INC0 citations59
US10867656B2Dec 15, 2020
Memory performing refresh operation and operation method of the same
SK HYNIX INC0 citations51
US10475486B2Nov 12, 2019
Electronic devices
SK HYNIX INC0 citations51
US10388336B1Aug 20, 2019
Semiconductor apparatus and method of operating the same
SK HYNIX INC0 citations51
US10297293B2May 21, 2019
Semiconductor apparatus and method of operating the same
SK HYNIX INC0 citations51
US9484902B2Nov 1, 2016
Delay circuit
SK HYNIX INC1 citations51