NC

Nag-Joon Choi

PC Pohang Iron & Steel Co.: 4 patents #12 of 233Top 6%
V& Voest-Alpine Industrieanlagenbau Gmbh &: 3 patents #52 of 281Top 20%
SG Siemens Vai Metals Technologies Gmbh: 2 patents #29 of 153Top 20%
PC Posco Co.: 1 patents #573 of 1,176Top 50%
📍 Heunghae-eup, KR: #11 of 269 inventorsTop 5%
Overall (All Time): #745,653 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8221674 Distributor base Franz Hauzenberger, Karl Zehetbauer, Jun Hyuk Lee, Myoung-Kyun Shin, Won Namkung +3 more 2012-07-17
8119059 Apparatus for manufacturing molten irons Min Young Cho, Hang Goo Kim, Myoung-Kyun Shin, Kung-Won Nam, Sun-Kwang Jeong +1 more 2012-02-21
6736876 Fluidized bed breakage prevention system for fluidized bed reduction reactor and method Myoung-Kyun Shin, Jun Hyuk Lee, Sun-Kwang Jeong, Hang Goo Kim, Heung-Won Kang 2004-05-18
6585798 Fluidized bed reactor for preventing the fine iron ore from sticking therein and method thereof Sun-Kwang Jeong, Hang Goo Kim, Heung-Won Kang, Hauzenberger Franz 2003-07-01
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
6235079 Two step twin-single fluidized bed pre-reduction apparatus for pre-reducing fine iron ore, and method therefor Sun-Kwang Jeong, Uoo Chang Jung, Heung-Won Kang 2001-05-22
6110413 3-Stage fluidized bed type fine iron ore reducing apparatus having x-shaped circulating tubes Uoo Chang Jung, Heung-Won Kang, Hang Goo Kim 2000-08-29