Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703894 | Radiation-emitting semiconductor diode and method of manufacturing such a diode | Adriaan Valster, Gerard A. Acket | 1997-12-30 |
| 5578863 | Optoelectronic semiconductor device with a radiation-emitting semiconductor diode, and method of manufacturing such a device | — | 1996-11-26 |
| 5468683 | Method of manufacturing an optoelectronic semiconductor device having a single wire between non-parallel surfaces | Hermanus A. Van De Pas, Rudolf P. Tijburg | 1995-11-21 |
| 5289483 | Semiconductor device having a mesa and method of manufacturing same | Adriaan Valster | 1994-02-22 |
| 5093577 | Contamination monitor for measuring a degree of contamination in an evacuatable charged particle beam system | Johannes F. C. M. Verhoeven | 1992-03-03 |
| 4670966 | Method of making a semiconductor laser with end zones for reducing non-radiating recombination | Peter J. de Waard, Rudolf P. Tijburg, Gerardus L. Dinghs | 1987-06-09 |