Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670966 | Method of making a semiconductor laser with end zones for reducing non-radiating recombination | Johannes A. De Poorter, Peter J. de Waard, Rudolf P. Tijburg | 1987-06-09 |
| 4558448 | Semiconductor laser with end zones for reducing non-radiating recombination | Johannes A. DePoorter, Peter J. deWaard, Rudolf P. Tijburg | 1985-12-10 |