Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592806 | Reduced iron discharger in rotary hearth reducing furnace | Susumu Kamikawa, Hiromi Osaka, Keiichi Sato, Yoshimitsu Onaka | 2003-07-15 |
| 6575390 | Pretreatment apparatus for raw materials for production of reduced iron | Susumu Kamikawa, Hiromi Osaka, Keiichi Sato, Yoshimitsu Onaka | 2003-06-10 |
| 6551548 | Apparatus for producing reduced iron and compact drying | Susumu Kamikawa, Kouichi Hirata, Hideaki Mizuki, Keiichi Sato | 2003-04-22 |