4 US patents granted on 02 June 2009 and assigned to Philips Electronics
| 1 | 7,543,111 | Method and device for storing content on a removable medium |
| 2 | 7,542,896 | Audio coding/decoding with spatial parameters and non-uniform segmentation for transients |
| 3 | 7,542,380 | Method of and apparatus for immediately writing or reading files on a disc-like recording medium having control information on defect management stored in a predefined location and such a disc-like recording medium |
| 4 | D593,662 | Heater |