Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034283 | Rotary hearth furnace and method of operating the same | Masahiko Tetsumoto, Sumito Hashimoto | 2011-10-11 |
| 8012236 | Method and apparatus for producing reduced metal | Shoichi Kikuchi, Osamu Tsuge | 2011-09-06 |