Inventor
KIM DONGHA
KR20 patents
⚠️ This page may combine multiple inventors who share the name “KIM DONGHA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
6 patentsUS11615829B1Mar 28, 2023
Memory device performing refresh operation based on a random value and method of operating the same
SAMSUNG ELECTRONICS CO LTD2 citations72
US12354640B2Jul 8, 2025
Memory device refresh operations
SAMSUNG ELECTRONICS CO LTD1 citations62
US12537040B1Jan 27, 2026
Memory device performing refresh operation based on random value and method of operating same
SAMSUNG ELECTRONICS CO LTD0 citations61
US12562209B2Feb 24, 2026
Memory device and refresh controlling method thereof
SAMSUNG ELECTRONICS CO LTD0 citations55
US12488825B2Dec 2, 2025
Memory device and operation method thereof
SAMSUNG ELECTRONICS CO LTD0 citations50
US12237183B2Feb 25, 2025
Semiconductor processing system including temperature controller
SAMSUNG ELECTRONICS CO LTD0 citations35
DUK SAN NEOLUX CO LTD
5 patentsUS9290513B2Mar 22, 2016
Compound containing 5-membered heterocycles, organic electronic device using same, and terminal comprising the latter
DUK SAN NEOLUX CO LTD9 citations83
US10991890B2Apr 27, 2021
Compound containing a 5-membered heterocycle and organic light-emitting diode using same, and terminal for same
DUK SAN NEOLUX CO LTD0 citations62
US9496520B2Nov 15, 2016
Organic electronic element including light efficiency improving layer, electronic device including the same, and compound for the same
DUK SAN NEOLUX CO LTD2 citations59
US10020452B2Jul 10, 2018
Compound containing a 5-membered heterocycle and organic light-emitting diode using same, and terminal for same
DUK SAN NEOLUX CO LTD0 citations51
US10026905B2Jul 17, 2018
Compound, organic electric element using the same, and an electronic device thereof
DUK SAN NEOLUX CO LTD0 citations40
KIM DONGHA
4 patentsUS9017828B2Apr 28, 2015
Compound including indole derivative in which two tertiary amines are substituted, organic electronic element using same, and terminal thereof
KIM DONGHA8 citations81
US8507904B2Aug 13, 2013
Compound including indole derivative, organic electronic element using same, and terminal thereof
KIM DONGHA9 citations80
US9102616B2Aug 11, 2015
Organic compound, organic electronic device using same, and terminal for same
KIM DONGHA2 citations60
US9233923B2Jan 12, 2016
Organic compounds for organic electronic devices and terminals
KIM DONGHA0 citations38
PARK JUNGHWAN
2 patentsUS9079920B2Jul 14, 2015
Compound containing 5-membered heterocycles, organic light-emitting device using same, and terminal comprising the latter
PARK JUNGHWAN8 citations81
US8889271B2Nov 18, 2014
Compound containing a 5-membered heterocycle and organic light-emitting diode using same, and terminal for same
PARK JUNGHWAN8 citations81