Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819224 | Split matrix quantization | — | 1998-10-06 |
| 5459750 | Apparatus and method for discriminating and suppressing noise within an incoming signal | Dimitris Hiotakakos, Mark A. Ireton, John G. Bartkowiak, Safdar M. Asghar | 1995-10-17 |
| 5255105 | Encoding image data | Mark A. Ireton | 1993-10-19 |
| 4949383 | Frequency domain speech coding | Soo Ngee Koh | 1990-08-14 |
| 4944013 | Multi-pulse speech coder | Nikolaos Gouvianakis | 1990-07-24 |
| 4495620 | Transmitting data on the phase of speech | Raymond Steele, Wai C. Wong | 1985-01-22 |