Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6313850 | Digital versatile disc playback system with efficient modification of subpicture data | — | 2001-11-06 |
| 6229523 | Digital versatile disc playback system with efficient modification of subpicture data | — | 2001-05-08 |
| 5664226 | System for merging plurality of atomic data elements into single synchronized file by assigning ouput rate to each channel in response to presentation time duration | William W. Lawton, Susan Ann O'Loughlin, Werner Leland Sharp | 1997-09-02 |