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 patentsUS11691173B2Jul 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 patentsUS12257599B2Mar 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 patentsUS7205073B2Apr 17, 2007
Electrolyte for lithium battery and lithium battery comprising same
SAMSUNG SDI CO LTD31 citations92
US7105250B2Sep 12, 2006
Nonaqueous electrolytic solution with improved safety and lithium battery employing the same
SAMSUNG SDI CO LTD8 citations74
US6921612B2Jul 26, 2005
Nonaqueous electrolyte composition for improving overcharge safety and lithium battery using the same
SAMSUNG SDI CO LTD8 citations73
US7618749B2Nov 17, 2009
Electrolyte for lithium battery and lithium battery comprising same
SAMSUNG SDI CO LTD1 citations63
CHANG SUNG-KYUN
2 patentsCHOY SANG HOON
1 patentKIM JUN-HO
1 patentShowing the top 50 of 102 patents by PatentIndex Score.