Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094094 | Hot-rolling equipment and a method of hot-rolling a slab | Yutaka Muramatsu | 1992-03-10 |
| 5038591 | Rolling mill and rolling mill method | Tadashi Hashimoto | 1991-08-13 |
| 4976128 | Rolling mill and method of exchanging rolls of rolling mill | — | 1990-12-11 |