Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057736 | Hearth structure of rotary furnace hearth | Toshitaka Nakayama, Tomoaki Shibata | 2011-11-15 |
| 8021602 | Hearth carriage coupling structure of rotary furnace hearth | Toshitaka Nakayama, Tomoaki Shibata | 2011-09-20 |
| 7655181 | Screw conveyor of rotary hearth furnace for discharging reduced iron | Toshitaka Nakayama, Masahide Nagatomi | 2010-02-02 |
| 7452497 | Furnace sidewall structure of rotary hearth furnace | Tomoaki Shibata | 2008-11-18 |
| 7311519 | Raw material feeding apparatus for rotary hearth furnace | Yuichi Sakurai, Masahide Nagatomi | 2007-12-25 |