Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034283 | Rotary hearth furnace and method of operating the same | Sumito Hashimoto, Koji Tokuda | 2011-10-11 |
| 7993572 | Screw conveyor and operation control method for the same | Sumito Hashimoto | 2011-08-09 |
| 7922484 | Rotary hearth furnace | Sumito Hashimoto, Hiroshi Sugitatsu | 2011-04-12 |