Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420334 | Method for controlling the bottom-blowing gas in top-and-bottom blown converter steel making | Nakanishi Kyoji, Nozaki Tsutomu | 1983-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420334 | Method for controlling the bottom-blowing gas in top-and-bottom blown converter steel making | Nakanishi Kyoji, Nozaki Tsutomu | 1983-12-13 |