Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356163 | Beamforming output audio using open headphones | Wontak Kim, Zhen Sun | 2025-07-08 |
| 12192695 | Open headphones with active noise cancellation | Andrew Jackson Stockton X, Wontak Kim, Zhen Sun | 2025-01-07 |
| 11128953 | Loudspeaker beamforming for improved spatial coverage | Yuancheng Luo, Wontak Kim | 2021-09-21 |
| 10764676 | Loudspeaker beamforming for improved spatial coverage | Yuancheng Luo, Wontak Kim | 2020-09-01 |
| 10080092 | On/off head detection of personal acoustic device using an earpiece microphone | Binu K. Oommen, Dale McElhone | 2018-09-18 |
| 10034086 | Headset porting | Roman Sapiejewski, Mark Bergeron | 2018-07-24 |
| 9881600 | Acoustically open headphone with active noise reduction | Ole Mattis Nielsen, Ryan C. Silvestri | 2018-01-30 |
| 9838812 | On/off head detection of personal acoustic device using an earpiece microphone | Binu K. Oommen, Dale McElhone | 2017-12-05 |
| 9794676 | Headphone | Ryan C. Silvestri | 2017-10-17 |
| 9794677 | Headphone | Ryan C. Silvestri | 2017-10-17 |
| 9584901 | Convertible headphone system | Ryan C. Silvestri, Eric M. Wallace, Eric Douglas Curtiss | 2017-02-28 |
| 9301040 | Pressure equalization in earphones | Kevin P. Annunziato, Jason Harlow, Ryan C. Silvestri | 2016-03-29 |