Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11586674 | Methods and systems for searching | Di Wang, Ahmad Al-Rubaie, Jason Ng | 2023-02-21 |
| 10608764 | Methods and systems for synchronization using delay asymmetry | Zdenek Chaloupka | 2020-03-31 |
| 10284414 | Systems and methods for estimating skew | Zdenek Chaloupka | 2019-05-07 |
| 9894587 | Methods and systems for estimating frequency synchronization accuracy | James Aweya | 2018-02-13 |
| 9673970 | Methods and systems for estimating frequency synchronization accuracy | James Aweya | 2017-06-06 |
| 9571266 | Methods and systems for estimating skew | James Aweya | 2017-02-14 |
| 8625763 | Telecommunications calls | Robert Claxton, Stephen A. Cassidy | 2014-01-07 |
| 8582976 | Transmission of broadband signals | — | 2013-11-12 |
| RE35057 | Speech coding using sparse vector codebook and cyclic shift techniques | Daniel K. Freeman | 1995-10-10 |
| 5276765 | Voice activity detection | Daniel K. Freeman | 1994-01-04 |
| 4991214 | Speech coding using sparse vector codebook and cyclic shift techniques | Daniel K. Freeman | 1991-02-05 |
| 4864621 | Method of speech coding | — | 1989-09-05 |