Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8211204 | Self-fluxing pellets for blast furnace and method for manufacturing the same | Eisaku Yasuda, Nobuhiro Hasegawa, Yoshiyuki Matsui | 2012-07-03 |
| 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 |