Issued Patents All Time
Showing 1–4 of 4 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 |
| 7655181 | Screw conveyor of rotary hearth furnace for discharging reduced iron | Shinji Shima, Masahide Nagatomi | 2010-02-02 |
| 5898726 | Preheater for arc furnaces | Hiroshige Matsumoto, Shinjiro Uchida, Keiichi Tanabe, Makoto Takahashi | 1999-04-27 |