Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5812578 | Radiation-emitting index-guided semiconductor diode | Marcel F. Schemmann, Gerard A. Acket | 1998-09-22 |
| 5805630 | Optoelectronic semiconductor device with an array of semiconductor diode lasers and method of manufacturing such a device | Adriaan Valster, Jeroen Jan Lambertus Horikx | 1998-09-08 |
| 5574743 | Semiconductor diode laser having improved performance and method of manufacturing same | Gerard A. Acket, Marcel F. Schemmann | 1996-11-12 |
| 5545903 | Radiation-emitting semiconductor diode and method of manufacturing same | Adriaan Valster, Hubertus P. M. M. Ambrosius | 1996-08-13 |
| 5299216 | Radiation-emitting semiconductor diode | Adriaan Valster, Michael J. B. Boermans | 1994-03-29 |
| 5157754 | Wavelength conversion by quasi phase matching and the manufacture and use of optical articles therefor | John D. Bierlein, Joseph Brown | 1992-10-20 |
| 4954971 | Bidimensional laser array with two groups of active regions | Jan Opschoor, Henri F. J. van 't Blik | 1990-09-04 |
| 4904068 | Optical device with phase-locked diodelaser array | Kimio Tatsuno, Gerard A. Acket | 1990-02-27 |
| 4822151 | Optical device with phase-locked diodelaser array | Kimio Tatsuno, Jan Opschoor, Ronald R. Drenten | 1989-04-18 |
| 4816385 | Method of optically recording and erasing information | Dirk J. Gravesteijn | 1989-03-28 |
| 4808514 | Method for the optical recording of information and an optical recording element used in the method | Dirk J. Gravesteijn | 1989-02-28 |
| 4647944 | Method for the optical recording of information and an optical recording element used in the method | Dirk J. Gravesteijn | 1987-03-03 |