Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669470 | Method for operating manufacturing equipment including heating furnace | Masaaki Atsushi, Hidetoshi Tanaka, Hiroshi Sugitatsu | 2003-12-30 |
| 6579505 | Method of producing iron oxide pellets | Osamu Tsuchiya, Hidetoshi Tanaka, Jun Jimbo, Shoichi Kikuchi, Yasuhiko Igawa | 2003-06-17 |
| 6511316 | Method of operating a rotary hearth furnace | Masahiko Tetsumoto, Hidetoshi Tanaka | 2003-01-28 |