Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597512 | Tapping method, tapping device and punch press | Tadashi Yokoyama | 2009-10-06 |
| 7559727 | Tapping method and device, and punch press | Tadashi Yokoyama | 2009-07-14 |
| 6148707 | Punch press and method of punching plate-type workpiece by the press | — | 2000-11-21 |
| 4475424 | Blanking apparatus | Masakazu Okajima | 1984-10-09 |