Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234528 | Operation method of copper smelting furnace | Yuki Soma | 2025-02-25 |
| 11603578 | Operation method of copper smelting furnace | Yuki Soma | 2023-03-14 |
| 11499781 | Concentrate burner of copper smelting furnace and operation method of copper smelting furnace | Yuki Soma | 2022-11-15 |
| 10845123 | Raw material supply device, flash smelting furnace and nozzle member | Jae-Hyung Hong, Yuki Soma, Eitaro Adachi | 2020-11-24 |
| 10488112 | Raw material supply apparatus, raw material supply method and flash smelting furnace | Eiji Tojima, Tomoya Kawasaki, Yutaka Yasuda | 2019-11-26 |
| 10443940 | Raw material supply method | Eiji Tojima, Tomoya Kawasaki, Yutaka Yasuda | 2019-10-15 |
| 9689610 | Raw material supply apparatus, raw material supply method and flash smelting furnace | Eiji Tojima, Tomoya Kawasaki, Yutaka Yasuda | 2017-06-27 |
| 8382879 | Copper smelting method | Yoshiaki Suzuki, Masaharu Takahashi, Mitsumasa Hoshi | 2013-02-26 |
| 8287801 | Operation method of flash smelting furnace and raw material supply apparatus | Yutaka Yasuda | 2012-10-16 |
| 7510679 | Taphole cooling structure | Takayuki Arakane, Masaharu Takahashi, Kazunori Moribe, Yoshiaki Suzuki | 2009-03-31 |