Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831858 | Driving apparatus for vertical rolling mill | Isamu Yoshizawa, Seiichi Matsuda | 1989-05-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831858 | Driving apparatus for vertical rolling mill | Isamu Yoshizawa, Seiichi Matsuda | 1989-05-23 |