Inventor

LEE SANGCHUL

KR61 patents

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

LG ELECTRONICS INC

29 patents

US10799887B2Oct 13, 2020

Dust collector and cleaner having the same

LG ELECTRONICS INC8 citations84

US10398272B2Sep 3, 2019

Vacuum cleaner

LG ELECTRONICS INC10 citations84

US10856711B2Dec 8, 2020

Vacuum cleaner

LG ELECTRONICS INC2 citations73

US10517453B2Dec 31, 2019

Dust collector and vacuum cleaner having the same

LG ELECTRONICS INC2 citations73

US10299645B2May 28, 2019

Vacuum cleaner

LG ELECTRONICS INC2 citations73

US9774137B2Sep 26, 2017

Mobile terminal

LG ELECTRONICS INC6 citations72

US10575695B2Mar 3, 2020

Vacuum suctioning unit

LG ELECTRONICS INC2 citations71

US10372171B2Aug 6, 2019

Keyboard and terminal system comprising same

LG ELECTRONICS INC5 citations71

US10314448B2Jun 11, 2019

Vacuum cleaner

LG ELECTRONICS INC3 citations71

US10186915B2Jan 22, 2019

BLDC motor and cleaner having the same

LG ELECTRONICS INC2 citations71

US12507855B2Dec 30, 2025

Cleaner nozzle with brush and removal member

LG ELECTRONICS INC0 citations62

US11311162B2Apr 26, 2022

Vacuum cleaner

LG ELECTRONICS INC1 citations62

US10299646B2May 28, 2019

Vacuum cleaner

LG ELECTRONICS INC1 citations62

US12082765B2Sep 10, 2024

Vacuum cleaner

LG ELECTRONICS INC0 citations61

US11559181B2Jan 24, 2023

Vacuum suctioning unit

LG ELECTRONICS INC0 citations61

US11523721B2Dec 13, 2022

Vacuum cleaner

LG ELECTRONICS INC0 citations61

US11191404B2Dec 7, 2021

Cleaner

LG ELECTRONICS INC1 citations61

US11147423B2Oct 19, 2021

Dust collector and cleaner having the same

LG ELECTRONICS INC1 citations61

US11160428B2Nov 2, 2021

Cleaner

LG ELECTRONICS INC1 citations54

US10314451B2Jun 11, 2019

Vacuum cleaner

LG ELECTRONICS INC0 citations52

US10299647B2May 28, 2019

Vacuum cleaner

LG ELECTRONICS INC0 citations52

US10271702B2Apr 30, 2019

Vacuum cleaner

LG ELECTRONICS INC0 citations52

US12564300B2Mar 3, 2026

Cleaner

LG ELECTRONICS INC0 citations51

US12478233B2Nov 25, 2025

Nozzle part and robot cleaner including same

LG ELECTRONICS INC0 citations51

US11793375B2Oct 24, 2023

Conversion member and electric cleaner including the same

LG ELECTRONICS INC0 citations51

US11540682B2Jan 3, 2023

Cleaner

LG ELECTRONICS INC0 citations50

US11419469B2Aug 23, 2022

Cleaner

LG ELECTRONICS INC0 citations50

US11344168B2May 31, 2022

Cleaning appliance

LG ELECTRONICS INC0 citations50

US12332426B2Jun 17, 2025

Beam steering device

LG ELECTRONICS INC0 citations49

SAMSUNG ELECTRONICS CO LTD

8 patents

USD712930SSep 9, 2014

Electronic device

SAMSUNG ELECTRONICS CO LTD26 citations92

US11737223B2Aug 22, 2023

Foldable electronic device including a sliding-type hinge structure beneath a flexible display

SAMSUNG ELECTRONICS CO LTD10 citations86

US11531378B2Dec 20, 2022

Electronic device including flexible display and hinge structure

SAMSUNG ELECTRONICS CO LTD2 citations73

USD1120909SMar 31, 2026

Loudspeaker

SAMSUNG ELECTRONICS CO LTD0 citations62

USD1120908SMar 31, 2026

Loudspeaker

SAMSUNG ELECTRONICS CO LTD0 citations62

USD1118563SMar 17, 2026

Loudspeaker

SAMSUNG ELECTRONICS CO LTD0 citations62

USD1047950SOct 22, 2024

Electronic device

SAMSUNG ELECTRONICS CO LTD0 citations62

USD1035605SJul 16, 2024

Electronic device

SAMSUNG ELECTRONICS CO LTD0 citations62

EXXONMOBIL RES & ENG CO

5 patents

US11883906B2Jan 30, 2024

High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the same

EXXONMOBIL RES & ENG CO1 citations70

US12311474B2May 27, 2025

Field girth welding technology for high manganese steel slurry pipelines

EXXONMOBIL RES & ENG CO0 citations60

US11130204B2Sep 28, 2021

Field dissimilar metal welding technology for enhanced wear resistant high manganese steel

EXXONMOBIL RES & ENG CO1 citations59

US10493569B2Dec 3, 2019

Field girth welding technology for high manganese steel slurry pipelines

EXXONMOBIL RES & ENG CO0 citations49

US10493570B2Dec 3, 2019

High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the same

EXXONMOBIL RES & ENG CO0 citations49

SAMSUNG DISPLAY CO LTD

2 patents

US11487378B2Nov 1, 2022

Electronic device

SAMSUNG DISPLAY CO LTD1 citations61

US10817101B2Oct 27, 2020

Electronic device

SAMSUNG DISPLAY CO LTD0 citations51

CHROMUX TECHNOLOGIES INC

1 patent

US6472290B2Oct 29, 2002

Isolation in micromachined single crystal silicon using deep trench insulation

CHROMUX TECHNOLOGIES INC38 citations92

NO ZAESUNG

1 patent

US9029389B2May 12, 2015

Anti-inflammation compounds

NO ZAESUNG27 citations87

LSIS CO LTD

1 patent

US9972458B2May 15, 2018

Draw in and out type circuit breaker

LSIS CO LTD3 citations73

POSCO CO LTD

1 patent

US12285824B2Apr 29, 2025

Methods of welding high manganese steel with step-out weld zone erosion-corrosion resistance

POSCO CO LTD0 citations59

LS ELECTRIC CO LTD

1 patent

US11430621B2Aug 30, 2022

DC circuit breaker

LS ELECTRIC CO LTD0 citations52

CHOI MINSUNG

1 patent

US9165485B2Oct 20, 2015

Display apparatus

CHOI MINSUNG0 citations43

Showing the top 50 of 61 patents by PatentIndex Score.