Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132206 | Water cooled finger for pre-heater of furnace top | Seiji Nonoyama, Kunio Matsuo | 2000-10-17 |
| 6104743 | Electric arc furnace cooling apparatus | Nagatoshi Hayakawa, Yoshinobu Masuya | 2000-08-15 |
| 5548612 | Furnace cover with a spray cooling system | Kunio Matsuo | 1996-08-20 |