Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5135572 | Method for in-bath smelting reduction of metals | Tetsuharu Ibaraki, Masao Yamauchi, Chikara Saito, Hiromitsu Moridera | 1992-08-04 |
| 5078785 | Method of operating in-bath smelting reduction furnace | Tetsuharu Ibaraki, Masao Yamauchi, Yoshihiko Sakamoto | 1992-01-07 |
| 4474361 | Oxygen-blown steelmaking furnace | Toru Yoshida, Yuziro Ueda, Katsuyuki Isogami | 1984-10-02 |