Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7806959 | Metallic iron nuggets | Shuzo Ito, Isao Kobayashi, Osamu Tsuge, Keisuke Honda, Koji Tokuda +1 more | 2010-10-05 |
| 7674316 | Method for producing metallic iron | Osamu Tsuge, Isao Kobayashi, Koji Tokuda, Shoichi Kikuchi, Shuzo Ito | 2010-03-09 |
| 6630010 | Method of producing metallic iron | Shuzo Ito, Shoichi Kikuchi, Osamu Tsuge, Isao Kobayashi, Keisuke Honda +2 more | 2003-10-07 |
| 6592649 | Method of producing iron nuggets | Shoichi Kikuchi, Koji Tokuda, Osamu Tsuchiya, Shuzo Ito | 2003-07-15 |
| 6569223 | Method of manufacturing molten metal iron | Osamu Tsuge, Isao Kobayashi, Keisuke Honda, Koji Tokuda, Shoichi Kikuchi +1 more | 2003-05-27 |
| 6503289 | Process for manufacturing molten metal iron | Akira Uragami | 2003-01-07 |
| 6413295 | Iron production method of operation in a rotary hearth furnace and improved furnace apparatus | David C. Meissner, Glenn E. Hoffman, Kyle James Shoop, Takuya Negami, Akira Uragami +5 more | 2002-07-02 |
| 6210462 | Method and apparatus for making metallic iron | Shoichi Kikuchi, Akira Uragami, Isao Kobayashi, Eiichi Ito, Koji Tokuda +2 more | 2001-04-03 |