Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901427 | Punch press | Takeshi Takahashi | 1990-02-20 |
| 4843704 | Tool exchange apparatus | Takeshi Takahashi | 1989-07-04 |
| 4680955 | Die exchange device | — | 1987-07-21 |
| 4658625 | Bending machine and a die changing system for such bending machine | Shigeo Koyama | 1987-04-21 |
| 4656861 | Bending machine and a die changing system for such bending machine | Shigeo Koyama | 1987-04-14 |
| 4558616 | Punch press having retractable punching tools | — | 1985-12-17 |
| 4412469 | Turret punch presses having tool holders rotatably mounted in the turrets | Tadashi Hirata | 1983-11-01 |