Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592806 | Reduced iron discharger in rotary hearth reducing furnace | Susumu Kamikawa, Hironori Fujioka, Hiromi Osaka, Keiichi Sato | 2003-07-15 |
| 6575390 | Pretreatment apparatus for raw materials for production of reduced iron | Susumu Kamikawa, Hironori Fujioka, Hiromi Osaka, Keiichi Sato | 2003-06-10 |
| 6482351 | Apparatus for producing reduced iron | Susumu Kamikawa, Kouichi Hirata | 2002-11-19 |