Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7369546 | Method and apparatus for fast DTMF detection | Masoud Ahmadi, Mohamed El-Hennawey, Can LIAO | 2008-05-06 |
| 7272136 | Dual tone multi frequency signal detection | Masoud Ahmadi | 2007-09-18 |