Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007094 | Multipulse excited pole-zero filtering approach for noise reduction | A-Chuan Hsueh | 1991-04-09 |
| 4941178 | Speech recognition using preclassification and spectral normalization | — | 1990-07-10 |