Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680001 | Electric lamp with adhesion layer and interference layer | Willibrordus Hubertus Martinus Maria Van De Spijker, Cornelis Gerardus Visser | 1997-10-21 |
| 5017825 | Filter for colored electric lamp | Godefridus H. C. Heijnen, Ernest O. W. Van Der Stelt | 1991-05-21 |
| 4716314 | Integrated circuit | Henricus E. J. Wulms | 1987-12-29 |
| 4371795 | Dynamic MOS-logic integrated circuit comprising a separate arrangement of combinatory and sequential logic elements | Leendert Nederlof, Cornelis Niessen, Rene M. G. Wijnhoven, Roelof H. W. Salters | 1983-02-01 |