Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5129630 | Prereduction furnace of a smelting reduction facility of iron ore | Tatsuro Ariyama, Yoshiyuki Kitano, Sakae Arakawa, Haruhito Tsuboi, Shinichi Isozaki +2 more | 1992-07-14 |