Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5479433 | Direct current arc furnace | Toshimichi Maki, Hiroyuki Yamashita, Hidefumi Nakashima | 1995-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5479433 | Direct current arc furnace | Toshimichi Maki, Hiroyuki Yamashita, Hidefumi Nakashima | 1995-12-26 |