Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646549 | Apparatus for rolling a cylindrical blank | Hidetoshi Hara, Hideto Hanada | 1987-03-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646549 | Apparatus for rolling a cylindrical blank | Hidetoshi Hara, Hideto Hanada | 1987-03-03 |