Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379425 | Method of desulfurizing molten iron | Naoki Kikuchi, Shuji Takeuchi, Akiharu Takao, Shigeru Ogura | 2002-04-30 |
| 6328784 | Method of desulfurizing molten iron alloy | Naoki Kikuchi, Shuji Takeuchi, Shigeru Ogura | 2001-12-11 |
| 5311924 | Molten metal level control method and device for continuous casting | Kazuya Asano, Takayuki Kaji, Kazuo Arai, Shuji Tanaka, Michio Ibaraki +6 more | 1994-05-17 |