Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6091773 | Data compression method and apparatus | — | 2000-07-18 | |
| 5699479 | Tonality for perceptual audio compression based on loudness uncertainty | Jonathan B. Allen, Sean M. Dorward, James David Johnston | 1997-12-16 | $14,792,000 |
| 5682463 | Perceptual audio compression based on loudness uncertainty | Jonathan B. Allen, Deepen Sinha | 1997-10-28 | $71,035,000 |