Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092532 | Adaptive feedback canceller | Henry Luo, Horst Arndt | 2006-08-15 |
| 7010132 | Automatic magnetic detection in hearing aids | Henry Luo, Horst Arndt, Mark Schmidt | 2006-03-07 |
| 6912289 | Hearing aid and processes for adaptively processing signals therein | Henry Luo, Horst Arndt | 2005-06-28 |
| 6826286 | Audio amplification device with volume control | Horst Arndt | 2004-11-30 |
| 6744897 | Hearing aid | — | 2004-06-01 |