Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671806 | Watermark detector | Petrus Johannes Lenoir, Johan Cornelis Talstra | 2003-12-30 |
| 6574349 | Embedding and extracting supplemental data in an information signal | Franciscus Lucas Antonius Johannes Kamperman, Erwin Kragt | 2003-06-03 |
| 6570996 | Watermarking an informational signal | — | 2003-05-27 |
| 6549495 | Record carrier, playback device and method of recording information | Johannes Hendrikus Maria Spruit, Gijsbert J. Van Den Enden, Johan Cornelis Talstra | 2003-04-15 |