P

Inventor

KIM HYOUNG SEOK

KR29 patents
⚠️ This page may combine multiple inventors who share the name “KIM HYOUNG SEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LG CHEMICAL LTD

14 patents
US9540374B2Jan 10, 2017

Nitrogen-containing heterocyclic compounds and organic electronic device comprising the same

LG CHEMICAL LTD6 citations83
US9673403B2Jun 6, 2017

Heterocyclic compound and organic light emitting device using the same

LG CHEMICAL LTD2 citations72
US9614161B2Apr 4, 2017

Compound and organic electronic element using same

LG CHEMICAL LTD5 citations72
US11426678B2Aug 30, 2022

Sublimation purification apparatus and sublimation purification method

LG CHEMICAL LTD3 citations66
US11362283B2Jun 14, 2022

Organic electroluminescent element

LG CHEMICAL LTD2 citations62
US11111231B2Sep 7, 2021

Heterocyclic compound and organic light-emitting device comprising same

LG CHEMICAL LTD0 citations62
US10253016B2Apr 9, 2019

Heterocyclic compound and organic light-emitting device comprising same

LG CHEMICAL LTD1 citations62
US10790453B2Sep 29, 2020

Compounds and organic electronic device using the same

LG CHEMICAL LTD1 citations61
US12588407B2Mar 24, 2026

Organic light-emitting element

LG CHEMICAL LTD0 citations52
US12495717B2Dec 9, 2025

Amine compound and organic light emitting diode comprising same

LG CHEMICAL LTD0 citations52
US11667626B2Jun 6, 2023

Compound and organic light-emitting device comprising same

LG CHEMICAL LTD0 citations52
US10032996B2Jul 24, 2018

Hetero-cyclic compound and organic light emitting device including the same

LG CHEMICAL LTD1 citations51
US9221820B2Dec 29, 2015

Heterocyclic compound and organic light emitting device using the same

LG CHEMICAL LTD1 citations51
US12495718B2Dec 9, 2025

Compound and organic light emitting device comprising same

LG CHEMICAL LTD0 citations50

LG ELECTRONICS INC

5 patents

SK PLANET CO LTD

2 patents

CHUNG KWANG-CHOON

2 patents

KIM HYOUNG-SEOK

2 patents

PARK SANG HOON

1 patent

SAMSUNG ELECTRONICS CO LTD

1 patent

KIM CHUL HA

1 patent

KUMHO TIRE CO INC

1 patent