Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057736 | Hearth structure of rotary furnace hearth | Shinji Shima, Tomoaki Shibata | 2011-11-15 |
| 8021602 | Hearth carriage coupling structure of rotary furnace hearth | Shinji Shima, Tomoaki Shibata | 2011-09-20 |