Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353533 | Bottom tuyeres in an oxygen top-blown converter | Takuo Imai, Masaaki Tsukamoto, Ryuichi Asaho, Nagayasu Bessho, Kyoji Nakanishi | 1982-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353533 | Bottom tuyeres in an oxygen top-blown converter | Takuo Imai, Masaaki Tsukamoto, Ryuichi Asaho, Nagayasu Bessho, Kyoji Nakanishi | 1982-10-12 |