Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402739 | Method of operation of a top-and-bottom blown converter | Kyoji Nakanishi, Kenichiro Suzuki, Michio Tanaka, Jun Matsuno, Tsutomu Nozaki | 1983-09-06 |
| 4274622 | Device for separating slag from molten bath | — | 1981-06-23 |
| 4269257 | Method of sequential continuous-casting of different grades of steel | Hideshi Ohzu, Mizuo Maeda, Hiromi Ohtani | 1981-05-26 |