Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Wilhelmus Johannes Joseph Maas | Afa Products | 6 |
| 2 | Petrus Lambertus Wilhelmus Hurkmans | Afa Products | 4 |
| 3 | Wilhelmus J. J. Mass | Afa Products | 1 |
| 3 | Wilhelmus Johannus Joseph Maas | Philips | 1 |
| 3 | Seerp Venhuizen | Jfs B.V. | 1 |