Issued Patents All Time
Showing 1–4 of 4 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 |
| 11821048 | Hole-opening bit and tap hole opening method using same | Tomohiko Kawakami, Kohei Horinouchi | 2023-11-21 |
| 8306790 | Apparatus, method, and program for acoustic characteristics optimization model analysis | Takanori IDE, Masaki Otomori, Iku Kosaka | 2012-11-06 |