Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8611190 | Bio-acoustic wave energy transducer | Derke R. Hughes, Richard A. Katz, John Cooley | 2013-12-17 |
| 7929375 | Method and apparatus for improved active sonar using singular value decomposition filtering | Richard A. Katz | 2011-04-19 |
| 7620503 | Signal processing fault detection system | Derke R. Hughes, Richard A. Katz | 2009-11-17 |
| 7319640 | Noise suppression system | James B. Donald, James H. Wilson | 2008-01-15 |
| 7153264 | Apparatus and method for identifying sleep apnea | Richard A. Katz, Jeffrey S. Hall, Tracey A. Dodenhoff, Douglas B. Sawyer | 2006-12-26 |
| 6711094 | Method and apparatus for active sonar detection enhancement | Richard A. Katz | 2004-03-23 |
| 5481505 | Tracking system and method | James B. Donald, James H. Wilson | 1996-01-02 |
| 5216640 | Inverse beamforming sonar system and method | James B. Donald, James H. Wilson | 1993-06-01 |