Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816151 | Method for operating blast furnace and method for producing molten pig iron | Hiroshi Ichikawa, Yasuyuki Oosawa, Takafumi Hayashi | 2017-11-14 |
| 8701856 | Loading device | — | 2014-04-22 |