Inventor
HYUN SANG AH
KR27 patents
Patents
27 patentsUS9646676B1May 9, 2017
Semiconductor devices and semiconductor systems including the same
SK HYNIX INC10 citations83
US9620195B1Apr 11, 2017
Memory device
SK HYNIX INC7 citations83
US9941020B2Apr 10, 2018
Semiconductor system and method for testing semiconductor device
SK HYNIX INC2 citations73
US9390815B1Jul 12, 2016
Semiconductor system and method for testing semiconductor device
SK HYNIX INC3 citations73
US9349430B2May 24, 2016
Memory device and memory system including the same
SK HYNIX INC3 citations73
US10008252B2Jun 26, 2018
Semiconductor system capable of storing different setting information in plurality of semiconductor chips sharing command/address information
SK HYNIX INC2 citations72
US10762950B2Sep 1, 2020
Buffer control circuit of memory device
SK HYNIX INC2 citations71
US10446199B2Oct 15, 2019
Semiconductor device and semiconductor system
SK HYNIX INC3 citations68
US11293972B2Apr 5, 2022
Semiconductor device, test method, and system including the same
SK HYNIX INC1 citations62
US11257561B2Feb 22, 2022
Memory device and test method thereof
SK HYNIX INC0 citations62
US12159681B2Dec 3, 2024
Test systems configured to perform test mode operations for multiple memory devices
SK HYNIX INC0 citations60
US12400701B2Aug 26, 2025
Memory device for performing smart refresh operation and method of reducing power consumption during refresh
SK HYNIX INC0 citations58
US11881246B2Jan 23, 2024
Memory device for performing smart refresh operation and memory system including the same
SK HYNIX INC0 citations58
US10679913B2Jun 9, 2020
Semiconductor device, test method, and system including the same
SK HYNIX INC0 citations52
US9627025B2Apr 18, 2017
Memory device and memory system including the same
SK HYNIX INC0 citations52
US9454162B2Sep 27, 2016
Calibration circuit and semiconductor device including the same
SK HYNIX INC0 citations52
US9373374B2Jun 21, 2016
Semiconductor apparatus capable of self-tuning a timing margin
SK HYNIX INC0 citations52
US9191153B2Nov 17, 2015
Transmitter/receiver for supporting differential signaling and semiconductor transmitter/receiver system including the same
SK HYNIX INC0 citations52
US9008160B2Apr 14, 2015
Transmitting/receiving circuit and transmitting/receiving system including the same
SK HYNIX INC0 citations52
US10636508B2Apr 28, 2020
Memory device and test method thereof
SK HYNIX INC0 citations51
US9524768B1Dec 20, 2016
Control circuit and memory device including the same
SK HYNIX INC0 citations51
US10481015B2Nov 19, 2019
Temperature sensors
SK HYNIX INC0 citations49
US9689750B2Jun 27, 2017
Temperature sensors
SK HYNIX INC1 citations49
US9337808B2May 10, 2016
Semiconductor devices and semiconductor systems including the same
SK HYNIX INC0 citations49
US10037793B2Jul 31, 2018
Semiconductor memory device and method for operating the same
SK HYNIX INC0 citations41
US9048845B2Jun 2, 2015
Semiconductor system
SK HYNIX INC0 citations41
US10580474B2Mar 3, 2020
Semiconductor devices
SK HYNIX INC0 citations39