Inventor

YOO SANG CHUL

KR3 patents

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

UDMTEK CO LTD

2 patents

US12523978B2Jan 13, 2026

Graph neural network based PLC control logic automatic inspection method

UDMTEK CO LTD0 citations39

US12353185B2Jul 8, 2025

Apparatus and method for extracting common command information from PLC ladder information

UDMTEK CO LTD0 citations39

CHOI SUNG-AE

1 patent

US9456972B2Oct 4, 2016

Niacin-peptide having skin whitening activity and use for same

CHOI SUNG-AE3 citations53