Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685892 | Metallurgical furnace installation for use in copper smelting process and method for charging anode scrap into furnace | Akiyoshi Yamashiro, Kiyoshi Fujiwara, Nobuhiro Oguma | 1997-11-11 |
| 5398915 | Apparatus for continuous copper smelting | Moto Goto, Nobuo Kikumoto, Osamu Iida, Shigemitsu Fukushima | 1995-03-21 |
| 5380353 | Copper smelting apparatus | Moto Goto, Nobuo Kikumoto, Osamu Iida, Shigemitsu Fukushima | 1995-01-10 |
| 5320799 | Apparatus for continuous copper smelting | Moto Goto, Nobuo Kikumoto, Osamu Iida, Shigemitsu Fukushima | 1994-06-14 |
| 5205859 | Apparatus for continuous copper smelting | Moto Goto, Nobuo Kikumoto, Osamu Iida, Shigemitsu Fukushima | 1993-04-27 |
| 5178818 | Metallurgical furnace installation | Shigemitsu Fukushima | 1993-01-12 |