Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060444 | Determining whether a digital rights management system's native license is valid | William Knox Carey | 2011-11-15 |
| 8051290 | Increasing integrity of watermarks using robust features | Job Cornelis Oostveen | 2011-11-01 |
| 7996678 | Embedding and detection of watermark in a motion image signal | Jaap Haitsma | 2011-08-09 |
| 7921296 | Generating and matching hashes of multimedia content | Jaap Haitsma, Constant Paul Marie Jozef Baggen, Job Cornelis Oostveen | 2011-04-05 |