Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437916 | Strain-stabilized birefringent crystal | Adam Cohen | 2002-08-20 |
| 6322933 | Volumetric track definition for data storage media used to record data by selective alteration of a format hologram | Andrew Daiber, Tokuyuki Honda | 2001-11-27 |
| 6288986 | Focus error signal generation using a birefringent plate with confocal detection | Mark McDonald | 2001-09-11 |
| 6269057 | Focus error signal generation using a birefringent lens with confocal detection | Mark McDonald | 2001-07-31 |
| 6256271 | Focus error signal generation using two polarizers in confocal configuration | — | 2001-07-03 |
| 6212148 | Optical data storage by selective localized alteration of a format hologram | Lambertus Hesselink, Sergei Sochava, William Phillips | 2001-04-03 |
| 6111828 | Focus error signal generation using confocally filtered detection | Mark McDonald | 2000-08-29 |
| 6020985 | Multilayer reflection microhologram storage in tape media | Sergei Sochava, Andrew Daiber, Mark McDonald, Lambertus Hesselink, Ingolf Sander +1 more | 2000-02-01 |