Inventor
JUNG SU TAEK
KR45 patents
⚠️ This page may combine multiple inventors who share the name “JUNG SU TAEK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LG ENERGY SOLUTION LTD
36 patentsUS11781859B2Oct 10, 2023
Alignment inspection apparatus for electrode assembly and alignment inspection method for electrode assembly using the same
LG ENERGY SOLUTION LTD0 citations62
US12586809B2Mar 24, 2026
Method for manufacturing secondary battery, coupling clip for manufacturing secondary battery, and secondary battery
LG ENERGY SOLUTION LTD0 citations61
US12576626B2Mar 17, 2026
Laminator for manufacture of unit structural bodies with increased force of adhesion
LG ENERGY SOLUTION LTD0 citations61
US12555849B2Feb 17, 2026
Secondary battery and method for repairing the same
LG ENERGY SOLUTION LTD0 citations61
US12506178B2Dec 23, 2025
Electrode assembly comprising adhesive on separator sheet and apparatus and method for manufacturing the same
LG ENERGY SOLUTION LTD0 citations61
US12368186B2Jul 22, 2025
Electrode assembly and apparatus and method for manufacturing the same
LG ENERGY SOLUTION LTD0 citations61
US12208463B2Jan 28, 2025
Secondary battery sealing process and secondary battery manufacturing method comprising the same
LG ENERGY SOLUTION LTD0 citations61
US12074291B2Aug 27, 2024
Electrode assembly and apparatus and method for manufacturing the same
LG ENERGY SOLUTION LTD0 citations61
US11978870B2May 7, 2024
Method for manufacturing secondary battery and pre-degassing device for manufacturing secondary battery
LG ENERGY SOLUTION LTD0 citations61
US11799173B2Oct 24, 2023
Secondary battery and manufacturing method thereof
LG ENERGY SOLUTION LTD0 citations61
US12519174B2Jan 6, 2026
Unit cell and battery cell including the same
LG ENERGY SOLUTION LTD0 citations60
US12434323B2Oct 7, 2025
Ultrasonic welding device and welding method for secondary battery
LG ENERGY SOLUTION LTD0 citations60
US12420362B2Sep 23, 2025
Secondary battery and ultrasonic welding device and welding method for secondary battery
LG ENERGY SOLUTION LTD0 citations60
US12337567B2Jun 24, 2025
Pressing apparatus including fluid and electrode and electrode assembly manufacturing method using the same
LG ENERGY SOLUTION LTD0 citations60
US12306141B2May 20, 2025
Welding defect inspection method
LG ENERGY SOLUTION LTD0 citations60
US12580217B2Mar 17, 2026
Electrode manufacturing apparatus
LG ENERGY SOLUTION LTD0 citations53
US12352716B2Jul 8, 2025
Method for inspecting weld states of battery
LG ENERGY SOLUTION LTD0 citations52
US12584875B2Mar 24, 2026
Device and method for inspecting welded state for cylindrical secondary battery
LG ENERGY SOLUTION LTD0 citations51
US12519124B2Jan 6, 2026
Unit cell preparation apparatus and method
LG ENERGY SOLUTION LTD0 citations51
US12438179B2Oct 7, 2025
Cell preparation apparatus and method
LG ENERGY SOLUTION LTD0 citations51
US12431562B2Sep 30, 2025
Apparatus and method for sealing secondary battery
LG ENERGY SOLUTION LTD0 citations51
US12381196B2Aug 5, 2025
Adhesive layer coating unit, electrode assembly manufacturing apparatus comprising same, and electrode assembly manufacturing method
LG ENERGY SOLUTION LTD0 citations51
US12272812B2Apr 8, 2025
Electrode assembly manufacturing method including step of simultaneously applying heat and pressure
LG ENERGY SOLUTION LTD0 citations51
US12174137B2Dec 24, 2024
Welding quality inspection device
LG ENERGY SOLUTION LTD0 citations51
US12025578B2Jul 2, 2024
Welding failure inspection method
LG ENERGY SOLUTION LTD0 citations51
US12000795B2Jun 4, 2024
Eddy current sensor having improved crack detection capability, and eddy current inspection device including same
LG ENERGY SOLUTION LTD0 citations51
US11959974B2Apr 16, 2024
Pressurizing short-circuit inspection apparatus for detecting low-voltage defective pouch-type secondary battery cell
LG ENERGY SOLUTION LTD0 citations51
US12597678B2Apr 7, 2026
Unit cell and battery cell comprising the same
LG ENERGY SOLUTION LTD0 citations50
US12531315B2Jan 20, 2026
Unit cell and battery cell including the same
LG ENERGY SOLUTION LTD0 citations50
US12424714B2Sep 23, 2025
Electrolyte injection device and electrolyte injection method using the same
LG ENERGY SOLUTION LTD0 citations50
US12390947B2Aug 19, 2025
Electrode assembly manufacturing apparatus including ultrasonic cutter and method using the same
LG ENERGY SOLUTION LTD0 citations50
US12368181B2Jul 22, 2025
Electrode assembly, and apparatus and method for manufacturing the same
LG ENERGY SOLUTION LTD0 citations50
US12355056B2Jul 8, 2025
Apparatus for manufacturing electrode assembly, electrode assembly manufactured therethrough, and secondary battery
LG ENERGY SOLUTION LTD0 citations50
US12266753B2Apr 1, 2025
Apparatus for manufacturing unit cell
LG ENERGY SOLUTION LTD0 citations50
US12358082B2Jul 15, 2025
Method for inspecting welding quality of welded portion between electrode tab and lead
LG ENERGY SOLUTION LTD0 citations49
US12476240B2Nov 18, 2025
Manufacturing apparatus and manufacturing method of electrode for secondary battery using laser, and electrode for secondary battery manufactured by the same
LG ENERGY SOLUTION LTD0 citations48
LG CHEMICAL LTD
8 patentsUS9095987B2Aug 4, 2015
Device for cutting electrode sheet and secondary battery manufactured using the same
LG CHEMICAL LTD5 citations71
US8974955B2Mar 10, 2015
Method for manufacturing battery cell and battery cell manufactured using the same
LG CHEMICAL LTD6 citations71
US11307026B2Apr 19, 2022
Alignment inspection apparatus for electrode assembly and alignment inspection method for electrode assembly using the same
LG CHEMICAL LTD1 citations62
US10978749B2Apr 13, 2021
Method for injecting electrolyte to pouch secondary battery using gap-controlling jig
LG CHEMICAL LTD1 citations61
US10576558B2Mar 3, 2020
Device for notching a secondary battery manufactured using the same
LG CHEMICAL LTD1 citations60
US11342576B2May 24, 2022
Electrode assembly and method for manufacturing the same
LG CHEMICAL LTD0 citations51
US9065151B2Jun 23, 2015
Manufacture device of battery cell
LG CHEMICAL LTD0 citations49
US8757351B2Jun 24, 2014
Device for folding electrode assembly
LG CHEMICAL LTD0 citations39