Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9641725 | Use of ambience light for copy protection of video content displayed on a screen | Maarten Marinus Johannes Wilhelmus Van Herpen, Oscar Hendrikus Willemsen | 2017-05-02 |
| 7533266 | Watermark-based access control method and device | Alphons Antonius Maria Lambertus Bruekers, Peter-Paul Mittertreiner, Johannes Francicus Echbertus Maria Verbruggen | 2009-05-12 |
| 7324159 | Method and device communicating a command | Jan Leendert Eveleens, Gerardus Lokhoff | 2008-01-29 |