Top Inventors at B.V. Optische Industrie "De Oude Delft" All Time
Showing 1–31 of 31 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hugo Vlasbloem | 11 |
| 2 | Ronald J. Geluk | 8 |
| 3 | Hendrik Mulder | 5 |
| 3 | Simon Duinker | 5 |
| #5 | Marcel R. de la Fonteijne | 4 |
| #6 | Pieter Brommersma | 3 |
| #7 | Bart Joseph Rotteveel | 2 |
| #7 | Jonathan R. Howorth | 2 |
| #7 | Johannes B. J. Schelen | 2 |
| #7 | Johannis Van Groningen | 2 |
| #7 | Meindert J. M. Beerlage | 2 |
| #7 | Nicolaas P. Elshoud | 2 |
| #13 | Chester L. Heflin | 1 |
| #13 | Christiaan Johannes Snijders | 1 |
| #13 | Edgar German Loffler | 1 |
| #13 | Eric van't Hooft | 1 |
| #13 | Frits J. Versteeg | 1 |
| #13 | Gijsbert L. Oomen | 1 |
| #13 | Godwin Van Hooreweder | 1 |
| #13 | Hendrik van der Heide | 1 |
| #13 | J. van den Berg | 1 |
| #13 | Johannes J. Houtkamp | 1 |
| #13 | Leo H. J. F. Beckman | 1 |
| #13 | Norbert Nanko | 1 |
| #13 | Willem G. L. de Jong | 1 |
| #13 | Lieuwe W. Boskma | 1 |
| #13 | Gysbert L. Oomea | 1 |
| #13 | Alphonsus M. L. D. Hoenderdos | 1 |
| #13 | Willem Frederik Vroegop | 1 |
| #13 | Bernardus G. van der Linden | 1 |
| #13 | Adrianus Petrus Josephus Maria De Jong | 1 |