Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hero Jan Heeres | Shell Oil Compny | 5 |
| 2 | Teunis René Brummelman | Emhart Glass S.A. | 3 |
| 3 | Hermann Petrus Breurken | Koninklijke Kpn N.V. | 1 |
| 3 | Hendrik Huibert Witting | Machinefabriek Bollegraaf Appingedam B.V. | 1 |
| 3 | Henderina Catharina Van Der Mei | — | 1 |
| 3 | Adam Deermann | Philips | 1 |
| 3 | Geert Lammers | Valtion Teknillinen Tutkimuskeskus | 1 |