Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136646 | Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof | Dong Kyun Choo, Young Il Kim, Kil Won Cho, Jong Min Park, Jae Sin Park +5 more | 2021-10-05 |
| 10287651 | Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof | Dong Kyun Choo, Young Il Kim, Kil Won Cho, Jong Min Park, Jae Sin Park +5 more | 2019-05-14 |
| 6946038 | Steel plate having Tin+MnS precipitates for welded structures, method for manufacturing same and welded structure | Hong-Chul Jeong, Hae-Chang Choi | 2005-09-20 |
| 6187117 | Method of making an as-rolled multi-purpose weathering steel plate and product therefrom | Yulin Shen, Richard L. Bodnar, Jang Yong Yoo | 2001-02-13 |