Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913732 | Method for smelting reduction in electric furnace | Atsushi Watanabe, Yukio Hongo | 1990-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913732 | Method for smelting reduction in electric furnace | Atsushi Watanabe, Yukio Hongo | 1990-04-03 |