Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928801 | Electroluminescent illumination system | Dirk Jan Broer, David B. Braun, Christianne R.M. De Witz | 1999-07-27 |
| 5631766 | Optical component and opto-electronic device for raising the frequency of electromagnetic radiation | Gerardus L. J. A. Rikken, Constance J. E. Seppen | 1997-05-20 |
| 5494834 | Optoelectronic semiconductor device comprising a waveguide and method of manufacturing such a device | — | 1996-02-27 |
| 5384883 | Optical component and optoelectronic element for increasing the frequency of electromagnetic radiation | Gerardus L. J. A. Rikken | 1995-01-24 |
| 5360982 | Optoelectronic semiconductor having a groove-shaped waveguide | — | 1994-11-01 |