NC

Nag-Joon Choi

PC Pohang Iron & Steel Co.: 1 patents #3 of 36Top 9%
RT Research Institute Of Industrial Science & Technology: 1 patents #3 of 21Top 15%
V& Voest-Alpine Industrieanlagenbau Gmbh &: 1 patents #14 of 52Top 30%
📍 Heunghae-eup, KR: #2 of 20 inventorsTop 10%
Overall (2002): #148,342 of 266,432Top 60%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6491738 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus Il Ock Lee, Hang Goo Kim, Uoo Chang Jung 2002-12-10