Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank Nijdam | J. Van Walraven Holding B.V. | 3 |
| 2 | Johannes Antonius Rudolf Grouve | Kyocera Senco Industrial Tools | 1 |
| 2 | Simon Petrus Maria Berkhout | Urban Mining Corp B.V. | 1 |
| 2 | Wim Ederveen | Atos France | 1 |