Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12418767 | Surround sound location virtualization | James Tracey | 2025-09-16 |
| 12302076 | Audio system with mixed rendering audio enhancement | James Tracey, Eric J. Freeman, Nathan A. Blagrove, Santiago Carvajal | 2025-05-13 |
| 12058492 | Directional sound-producing device | Edward Maniet | 2024-08-06 |
| 11955107 | Ambient volume control in open audio device | Mehul Trivedi, Vincent James Lee, Cory Roberts, James P. Mulvey | 2024-04-09 |
| 11895472 | Audio system with mixed rendering audio enhancement | James Tracey, Eric J. Freeman, Nathan A. Blagrove, Santiago Carvajal | 2024-02-06 |
| 11582572 | Surround sound location virtualization | James Tracey | 2023-02-14 |
| 11295718 | Ambient volume control in open audio device | Mehul Trivedi, Vincent James Lee, Cory Roberts, James P. Mulvey | 2022-04-05 |
| 9055383 | Multi channel bass management | Wontak Kim, George Nichols | 2015-06-09 |
| 8620006 | Center channel rendering | William Berardi, Hilmar Lehnert | 2013-12-31 |
| 8553894 | Active and passive directional acoustic radiating | William Berardi, Michael S. Dublin, Eric S. Johanson, Joseph Jankovsky, Hilmar Lehnert +1 more | 2013-10-08 |
| 8139774 | Multi-element directional acoustic arrays | William Berardi, Michael S. Dublin, Hilmar Lehnert, Michael Stark | 2012-03-20 |
| 8090116 | Vehicle directional electroacoustical transducing | Douglas J. Holmi | 2012-01-03 |
| 8031880 | Vehicle audio system surround modes | Douglas J. Holmi, Lee A. Prager | 2011-10-04 |
| 7974417 | Multi-channel bass management | Wontak Kim, George Nichols | 2011-07-05 |
| 7653203 | Vehicle audio system surround modes | Douglas J. Holmi, Lee A. Prager | 2010-01-26 |
| 7583806 | Convertible automobile sound system equalizing | Douglas J. Holmi | 2009-09-01 |
| 7561706 | Reproducing center channel information in a vehicle multichannel audio system | Douglas J. Holmi, Hal P. Greenberger, Lee A. Prager | 2009-07-14 |