Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8540930 | Reducing furnace and apparatus for manufacturing molten iron comprising the same | Ki Woong KWON, Suk-Kwang Jung, Young-Gil Choi, Sung-Hee Chae | 2013-09-24 |
| 7588717 | Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same | Kwang Hee Lee, Sung-Kee Shin, Il-Hyun Cho, Hyun-Uck Sung, Deuk-Chae Kim +4 more | 2009-09-15 |