Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669756 | Discharge apparatus for movable hearth type heat-treatment furnace, its operation method, and method and apparatus for manufacturing molten iron using the same | Yoshihiro Urabe, Takao Umeki, Toshikatsu Uchida, Sumito Hashimoto | 2003-12-30 |
| 6521171 | Processing method for high-temperature exhaust gas | Masataka Tateishi | 2003-02-18 |
| 6517770 | Temperature control device and temperature control method for high-temperature exhaust gas | Masataka Tateishi | 2003-02-11 |
| 6511316 | Method of operating a rotary hearth furnace | Takao Harada, Hidetoshi Tanaka | 2003-01-28 |