Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Johannes E. Steenhuisen | Duphar International Research B.V. | 2 |
| 1 | Wilhelmus M. Beijleveld | Akzo N.V. | 2 |
| 3 | Gillis P. van der Wal | Duphar International Research B.V. | 1 |
| 3 | Paulus R. Kamstra | Duphar International Research B.V. | 1 |
| 3 | Hugo Bijl | Duphar International Research B.V. | 1 |
| 3 | Gerrit Grotenhuis | Duphar International Research B.V. | 1 |