Inventor
CHOI JEONG YEUL
KR10 patents
⚠️ This page may combine multiple inventors who share the name “CHOI JEONG YEUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PI ADVANCED MAT CO LTD
9 patentsUS12157802B2Dec 3, 2024
Polyimide film comprising two or more fillers with different particle diameters and electronic apparatus comprising same
PI ADVANCED MAT CO LTD0 citations61
US12305017B2May 20, 2025
Graphite sheet and electronic device comprising same
PI ADVANCED MAT CO LTD0 citations60
US12043712B2Jul 23, 2024
Graphite sheet polyimide film comprising graphene-containing spherical PI-based filler, manufacturing method therefor, and graphite sheet manufactured using same
PI ADVANCED MAT CO LTD0 citations60
US11987670B2May 21, 2024
Polyimide film for graphite sheet having improved thermal conductivity, method for manufacturing same, and graphite sheet manufactured using same
PI ADVANCED MAT CO LTD0 citations60
US11905431B2Feb 20, 2024
Polyimide varnish comprising aromatic carboxylic acid for conductor coating and manufacturing method therefor
PI ADVANCED MAT CO LTD0 citations59
US12404370B2Sep 2, 2025
Method for producing polyimide film and polyimide film manufactured thereby
PI ADVANCED MAT CO LTD0 citations50
US12084553B2Sep 10, 2024
Polyimide film comprising at least two fillers having different diameters, and electronic device comprising same
PI ADVANCED MAT CO LTD0 citations50
US11731908B2Aug 22, 2023
Graphite sheet polyimide film comprising spherical PI-based filler, manufacturing method therefor, and graphite sheet manufactured using same
PI ADVANCED MAT CO LTD0 citations50
US10870580B2Dec 22, 2020
Polyimide film for graphite sheet, graphite sheet prepared by using the same and method for preparing graphite sheet
PI ADVANCED MAT CO LTD0 citations50