Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541617 | Lance structure for oxygen-blowing process in top-blown converters | Hidemasa Nakajima, Shozo Okamura, Masanobu Sueyasu, Takashi Manago | 1985-09-17 |
| 4522650 | Process for production of low phosphorus alloy | Hidemasa Nakajima, Shozo Okamura, Masanobu Sueyasu, Sakae Furujho, Shoji Anezaki | 1985-06-11 |