Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8335331 | Multichannel sound rendering via virtualization in a stereo loudspeaker system | James David Johnston, Serge Smirnov | 2012-12-18 |
| 8189812 | Bass boost filtering techniques | Serge Smirnov, James David Johnston, John Bregar | 2012-05-29 |