Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378615 | Blast furnace operation method | Kazuhira Ichikawa, Yasukazu Hayasaka, Natsuo Ishiwata | 2025-08-05 |
| 12259184 | Method of heating up furnace bottom, and burner lance used in the method | Yasukazu Hayasaka, Katsunori Kikuchi, Hiroki Yamaguchi, Satoshi Maruyama, Kouji Uchimura | 2025-03-25 |