Inventor
HAN CHANG-MIN
KR20 patents
⚠️ This page may combine multiple inventors who share the name “HAN CHANG-MIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LG ENERGY SOLUTION LTD
5 patentsUS12434323B2Oct 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
US12306141B2May 20, 2025
Welding defect inspection method
LG ENERGY SOLUTION LTD0 citations60
US12358082B2Jul 15, 2025
Method for inspecting welding quality of welded portion between electrode tab and lead
LG ENERGY SOLUTION LTD0 citations49
US12365116B2Jul 22, 2025
Apparatus and method for molding pouch
LG ENERGY SOLUTION LTD0 citations47
LG CHEMICAL LTD
3 patentsUS12057552B2Aug 6, 2024
Method for manufacturing lithium secondary battery and lithium secondary battery manufactured thereby
LG CHEMICAL LTD0 citations56
US11621445B2Apr 4, 2023
Charging/discharging device, having reduced temperature difference, for secondary battery formation process
LG CHEMICAL LTD0 citations56
US10249902B2Apr 2, 2019
Secondary battery transfer device and method for detecting receipt failure of secondary battery
LG CHEMICAL LTD0 citations48