Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814924 | Rotary hearth furnace and screw thereof for discharging reduced iron | Sumito Hashimoto, Takao Umeki | 2004-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814924 | Rotary hearth furnace and screw thereof for discharging reduced iron | Sumito Hashimoto, Takao Umeki | 2004-11-09 |