Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913406 | Shaft furnace having means for charging and adjusting a pre-mixture of ore and coke | Norio Fukushima, Kazuhiko Yoshida, Shigeyasu Suzuki, Masanobu Masukawa, Shoji Sakurai | 1990-04-03 |