Top Inventors at Amada Cutting Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Toru Tokiwa | 4 |
| 2 | Isomi Washio | 3 |
| 3 | Minoru Gotoh | 3 |
| #4 | Shoji Aihara | 3 |
| #5 | Fumiaki Nemoto | 1 |
| #6 | Toshiyuki Hashimoto | 1 |
| #7 | Yoshihito Ota | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Toru Tokiwa | 4 |
| 2 | Isomi Washio | 3 |
| 3 | Minoru Gotoh | 3 |
| #4 | Shoji Aihara | 3 |
| #5 | Fumiaki Nemoto | 1 |
| #6 | Toshiyuki Hashimoto | 1 |
| #7 | Yoshihito Ota | 1 |