Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179425 | Image projection system | — | 2001-01-30 |
| 6042237 | Image projection module and image projection device provided with such a module | Antonie W. Damen | 2000-03-28 |
| 6024451 | Illumination system and image projection device provided with such an illumination system | Antonie W. Damen | 2000-02-15 |
| 6018214 | Illumination system for an image projection device | — | 2000-01-25 |
| 5798866 | Picture display device with two microlens arrays | — | 1998-08-25 |
| 5748374 | Picture display device | Jacobus H. M. Neijzen, Martinus V. C. Stroomer | 1998-05-05 |
| 5721603 | Illumination system and display device including such a system | Paulus Schaareman | 1998-02-24 |
| 5573324 | Image projection system | — | 1996-11-12 |
| 5486884 | Reflecting image projection screen and image projection system comprising such a screen | — | 1996-01-23 |
| 5235444 | Image projection arrangement | — | 1993-08-10 |
| 5184248 | Image projection apparatus | Adrianus H. J. van den Brandt | 1993-02-02 |
| 5042925 | Polarization-sensitive beam splitter having a polarizing birefringent oriented polymer adhesive layer | Dirk Jan Broer, Jorg Brambring | 1991-08-27 |
| 5029986 | Electro-optical color display device and projection apparatus | — | 1991-07-09 |
| 4902105 | Liquid crystal display device | Theodorus L. Welzen | 1990-02-20 |
| 4783653 | Low drive voltage display device | Theodorus L. Welzen | 1988-11-08 |
| 4664483 | Liquid crystal display device with a hysteresis | Hendrik Adrianus Van Sprang | 1987-05-12 |