Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284017 | Method and facility for producing reduced iron | Yasuo Kamei, Hideyuki Yamaoka, Yoshihisa Nakamura | 2001-09-04 |
| 6015527 | Facility for producing reduced iron | Yasuo Kamei, Hideyuki Yamaoka, Yoshihisa Nakamura | 2000-01-18 |