Inventor
AHN KEUN SEON
KR13 patents
Patents
13 patentsUS11190185B2Nov 30, 2021
Impedance calibration circuit and semiconductor apparatus including the same
SK HYNIX INC3 citations72
US11158356B1Oct 26, 2021
Calibration circuit and operating method of the calibration circuit
SK HYNIX INC3 citations72
US10778220B2Sep 15, 2020
Data output buffer
SK HYNIX INC2 citations71
US11908543B2Feb 20, 2024
Latch circuit, transmission circuit including latch circuit, and semiconductor apparatus including transmission circuit
SK HYNIX INC0 citations61
US11562777B2Jan 24, 2023
Data input buffer and semiconductor apparatus including the same
SK HYNIX INC0 citations61
US12548605B2Feb 10, 2026
Interface circuit and semiconductor device including the same
SK HYNIX INC0 citations59
US11996844B2May 28, 2024
Duty cycle correction circuit and method of operating the same
SK HYNIX INC0 citations59
US12431187B2Sep 30, 2025
Pre-charge control circuit and voltage generation circuit including the same
SK HYNIX INC0 citations58
US10679684B2Jun 9, 2020
Data output buffer having pull-up main driver and memory device having the data output buffer
SK HYNIX INC0 citations51
US10015025B2Jul 3, 2018
Semiconductor device performing de-skew operation
SK HYNIX INC1 citations50
US12476849B2Nov 18, 2025
Receiver circuit and operation method for the same
SK HYNIX INC0 citations47
US12493309B2Dec 9, 2025
Internal reference voltage generation device
SK HYNIX INC0 citations46
US9685952B2Jun 20, 2017
Transmitter
SK HYNIX INC0 citations44