Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158366 | Refractory monitoring temperature sensor and refractory erosion location measuring device | Nobuyuki Nagai, Akio Arai, Takashi Moriyama, Koji Shimomura, Toshitake Okada +5 more | 1992-10-27 |