Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757841 | Method and apparatus for joining new electrode to consumed electrode of electric furnace | Hajime Amano, Nobuyuki Kamei, Tetsuo Okamoto | 1998-05-26 |
| 5638398 | Method and apparatus for joining new electrode to consumed electrode of electric furnace | Hajime Amano, Nobuyuki Kamei, Tetsuo Okamoto | 1997-06-10 |