Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5729311 | Illumination system for a flat-panel picture display device | Dirk Jan Broer, Henri Marie Joseph Boots | 1998-03-17 |
| 5631766 | Optical component and opto-electronic device for raising the frequency of electromagnetic radiation | Antonius H. J. Venhuizen, Gerardus L. J. A. Rikken | 1997-05-20 |
| 5151965 | Device for doubling the frequency of a light wave | Gerardus L. J. A. Rikken | 1992-09-29 |