Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353533 | Bottom tuyeres in an oxygen top-blown converter | Tatsukichi Chino, Takuo Imai, Masaaki Tsukamoto, Ryuichi Asaho, Nagayasu Bessho | 1982-10-12 |
| 4330108 | Method for cooling tuyeres | Kenji Saito, Yoshiei Kato, Tsutomu Nozaki, Toshihiko Emi | 1982-05-18 |