Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9082937 | LED module | Hendrik Johannes Boudewijn Jagt, Berno Hunsche, Thomas Diederich | 2015-07-14 |
| 8536600 | Photonic crystal LED | Marcus Antonius Verschuuren | 2013-09-17 |
| 8462325 | Light directionality sensor | Ties Van Bommel, Eduard Johannes Meijer, Rifat Ata Mustafa Hikmet, Marcus Antonius Verschuuren | 2013-06-11 |
| 8410504 | LED module | Hendrik Johannes Boudewijn Jagt, Berno Hunsche, Thomas Diederich | 2013-04-02 |
| 8121166 | Side-emitting LED light source for backlighting applications | Jan De Graaf | 2012-02-21 |
| 7453190 | Electric lamp with absorbing and interference media | — | 2008-11-18 |
| 7194067 | X-ray optical system | Waltherus Van Den Hoogenhof | 2007-03-20 |
| 6570302 | Electric lamp with light-absorbing medium and interference film | Erik Boonekamp, Mathias Hubertus Johannes Van Rijswick, Gerhard Hebbinghaus | 2003-05-27 |
| 6233306 | X-ray irradiation apparatus including an x-ray source provided with a capillary optical system | — | 2001-05-15 |
| 5490003 | Reflective liquid crystal display device with twist angle between 50.degree. and 68.degree. and the polarizer at the bisectrix | — | 1996-02-06 |
| 5157529 | Display device having wavelength-dependent birefringence compensation | Henricus G. Koopman | 1992-10-20 |
| 4830469 | Liquid crystalline color display cell having a phosphorescent substrate and U.V.-absorbing dichroic dye | Paulus Adrianus Breddels | 1989-05-16 |
| 4767191 | Display cell | Henricus G. Koopman, Franciscus J. M. Wortel | 1988-08-30 |
| 4664483 | Liquid crystal display device with a hysteresis | Adrianus J. S. M. De Vaan | 1987-05-12 |