Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4749408 | Method of bottom blowing operation of a steel making electric furnace | Masahisa Tate, Makoto Watanabe | 1988-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4749408 | Method of bottom blowing operation of a steel making electric furnace | Masahisa Tate, Makoto Watanabe | 1988-06-07 |