Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588625 | Apparatus for manufacturing molten irons to dry and convey iron ores and additives and manufacturing method using the same | Kung-Won Nam, Min Young Cho, Young Jae JANG, Franz Hauzenberger | 2009-09-15 |
| 6224650 | Apparatus for manufacturing molten iron by using calcination furnace, and manufacturing method therefor | Sang-Deok Lee, Yoon Chul Park | 2001-05-01 |
| 5897674 | Method for manufacturing coal agglomerates for use in direct iron smelting reducing furnace | Dal-Hoi Lee, Min Young Cho | 1999-04-27 |