Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662730 | Method for pyrometallurgical smelting of copper | Susumu Akagi, Takayoshi Fujii, Masatoshi Maeda | 1997-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662730 | Method for pyrometallurgical smelting of copper | Susumu Akagi, Takayoshi Fujii, Masatoshi Maeda | 1997-09-02 |