Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404799 | Water-cooling panel for furnace wall and furnace cover of arc furnace | Tadashi Mori, Koichi Kirishiki | 2002-06-11 |
| 5898726 | Preheater for arc furnaces | Hiroshige Matsumoto, Keiichi Tanabe, Toshitaka Nakayama, Makoto Takahashi | 1999-04-27 |