CC

Chang-Hyo Choi

SC Sk Holdings Co.: 1 patents #6 of 32Top 20%
📍 Ulsan, KR: #4 of 24 inventorsTop 20%
Overall (2004): #248,814 of 270,089Top 95%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6673231 Method for removing sludge in crude oil tank and recovering oil therefrom Myung Jun Kim, Dae-Seog Yoon, June-Tae Choi, Jong-won KWAK, Sung-Kil Park 2004-01-06