P

Inventor

CHOY SANG-HOON

KR102 patents
⚠️ This page may combine multiple inventors who share the name “CHOY SANG-HOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LG CHEMICAL LTD

27 patents
US11691173B2Jul 4, 2023

Slot die coater adjusting device for controlling distance between upper discharge port and lower discharge port of slot die coater, and electrode active material coating system including same

LG CHEMICAL LTD6 citations85
US11171322B2Nov 9, 2021

Positive electrode having improved pore structure in positive electrode active material layer

LG CHEMICAL LTD17 citations85
US11108050B2Aug 31, 2021

Conductive material dispersed liquid and secondary battery manufactured using the same

LG CHEMICAL LTD17 citations84
US11050061B2Jun 29, 2021

Conductive material dispersed liquid and lithium secondary battery manufactured using the same

LG CHEMICAL LTD16 citations84
US10727477B2Jul 28, 2020

Conductive material dispersed liquid and lithium secondary battery manufactured using same

LG CHEMICAL LTD17 citations84
US10665890B2May 26, 2020

Conductive material for secondary battery, and secondary battery containing same

LG CHEMICAL LTD16 citations84
US11276846B2Mar 15, 2022

Method for manufacturing electrode for secondary battery and electrode manufactured thereby

LG CHEMICAL LTD2 citations73
US11161140B2Nov 2, 2021

Slot die coater for changing coating form of electrode active material slurry through movement of slots

LG CHEMICAL LTD4 citations73
US9331329B2May 3, 2016

Carbon-coated lithium iron phosphate of olivine crystal structure and lithium secondary battery using the same

LG CHEMICAL LTD4 citations73
US11380899B2Jul 5, 2022

Positive electrode, secondary battery including the same, and method for manufacturing using dry mixing at high shear force

LG CHEMICAL LTD2 citations72
US11038175B2Jun 15, 2021

Positive electrode active material pre-dispersion composition including hydrogenated nitrile butadiene rubber as dispersant, positive electrode for secondary battery, and lithium secondary battery including the positive electrode

LG CHEMICAL LTD2 citations72
US11038157B2Jun 15, 2021

Method for manufacturing electrode for lithium secondary battery

LG CHEMICAL LTD2 citations72
US10476081B2Nov 12, 2019

Positive electrode material mixture and secondary battery including the same

LG CHEMICAL LTD4 citations72
US11542164B2Jan 3, 2023

Carbon nanotube dispersion and method for preparing the same

LG CHEMICAL LTD2 citations71
US11764345B2Sep 19, 2023

Coating apparatus

LG CHEMICAL LTD3 citations70
US10141574B2Nov 27, 2018

Carbon nanotube dispersion liquid and manufacturing method thereof

LG CHEMICAL LTD3 citations70
US11456450B2Sep 27, 2022

Method and apparatus for evaluating phase stability of electrode mixture slurry

LG CHEMICAL LTD4 citations69
US10468685B2Nov 5, 2019

Carbon nanotube dispersion and method for producing same

LG CHEMICAL LTD2 citations69
US11888151B2Jan 30, 2024

Method of preparing positive electrode

LG CHEMICAL LTD0 citations62
US11876214B2Jan 16, 2024

Electrode mixture manufacturing method and electrode mixture

LG CHEMICAL LTD0 citations62
US11575121B2Feb 7, 2023

Electrode mixture manufacturing method and electrode mixture

LG CHEMICAL LTD1 citations62
US11511309B2Nov 29, 2022

Coating die including double slit, and electrode active material coating apparatus using same

LG CHEMICAL LTD1 citations62
US11254576B2Feb 22, 2022

Method of preparing graphene

LG CHEMICAL LTD0 citations62
US11121361B2Sep 14, 2021

Method of preparing slurry for secondary battery positive electrode

LG CHEMICAL LTD0 citations62
US10741829B2Aug 11, 2020

Composition for forming positive electrode of secondary battery, positive electrode for secondary battery and secondary battery manufactured using the same

LG CHEMICAL LTD1 citations62
US12512460B2Dec 30, 2025

Positive electrode and secondary battery including the positive electrode

LG CHEMICAL LTD0 citations61
US11862782B2Jan 2, 2024

Electrode slurry coating apparatus and method for forming double active material layers

LG CHEMICAL LTD0 citations61

LG ENERGY SOLUTION LTD

15 patents
US12257599B2Mar 25, 2025

Slot die coater adjusting device for controlling distance between upper discharge port and lower discharge port of slot die coater, and electrode active material coating system including same

LG ENERGY SOLUTION LTD6 citations85
US12134107B2Nov 5, 2024

Multi-slot die coater

LG ENERGY SOLUTION LTD7 citations85
US12420303B2Sep 23, 2025

Dual slot die coater and method for coating electrode active material slurry using the same

LG ENERGY SOLUTION LTD2 citations74
US12157140B2Dec 3, 2024

Multi-slot die coater

LG ENERGY SOLUTION LTD5 citations74
US12103036B2Oct 1, 2024

Multi-slot die coater

LG ENERGY SOLUTION LTD5 citations74
US12053796B2Aug 6, 2024

Multi-slot die coater

LG ENERGY SOLUTION LTD5 citations74
US11819876B2Nov 21, 2023

Slot die coating device having air vent

LG ENERGY SOLUTION LTD5 citations74
US11772119B2Oct 3, 2023

Multi-slot die coater with improved manifold

LG ENERGY SOLUTION LTD3 citations73
US12115554B2Oct 15, 2024

Slot die coating device having air vent

LG ENERGY SOLUTION LTD2 citations72
US12515235B2Jan 6, 2026

Dual-slot die coater

LG ENERGY SOLUTION LTD1 citations62
US12500260B2Dec 16, 2025

Pressing jig with a gradient hardness pressing pad for a battery cell and a degassing method of battery cell using the same

LG ENERGY SOLUTION LTD0 citations62
US12303932B2May 20, 2025

Multi-slot die coater

LG ENERGY SOLUTION LTD0 citations62
US12224424B2Feb 11, 2025

Method of preparing positive electrode

LG ENERGY SOLUTION LTD0 citations62
US11984601B2May 14, 2024

Conductive material dispersion liquid, electrode and lithium secondary battery prepared by using the same

LG ENERGY SOLUTION LTD0 citations62
US12401013B2Aug 26, 2025

Electrode slurry coating apparatus and method for forming double active material layers

LG ENERGY SOLUTION LTD0 citations61

SAMSUNG SDI CO LTD

4 patents

CHANG SUNG-KYUN

2 patents

CHOY SANG HOON

1 patent

KIM JUN-HO

1 patent

Showing the top 50 of 102 patents by PatentIndex Score.