Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630010 | Method of producing metallic iron | Shuzo Ito, Yasuhiro Tanigaki, Shoichi Kikuchi, Osamu Tsuge, Isao Kobayashi +2 more | 2003-10-07 |
| 6592649 | Method of producing iron nuggets | Shoichi Kikuchi, Yasuhiro Tanigaki, Osamu Tsuchiya, Shuzo Ito | 2003-07-15 |
| 6569223 | Method of manufacturing molten metal iron | Yasuhiro Tanigaki, Osamu Tsuge, Isao Kobayashi, Keisuke Honda, Shoichi Kikuchi +1 more | 2003-05-27 |