Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912401 | Pyrometallurgical smelting method of copper | Takayoshi Fujii, Yutaka Yasuda, Yoshiaki Suzuki | 1999-06-15 |
| 5662730 | Method for pyrometallurgical smelting of copper | Takayoshi Fujii, Masatoshi Maeda, Yoshiaki Suzuki | 1997-09-02 |
| 4294939 | Coating composition | Eiji Taniguchi, Seiichi Torimitsu | 1981-10-13 |