| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Stereophonic systems | |
| #3 | Amplification control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kornagel Ulrich | 13 |
| #2 | Petrausch Stefan | 3 |
| #3 | Sörgel Wolfgang | 1 |
| #4 | Latzel Matthias | 1 |
| #5 | Tiefenau Andreas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2012121115A1 | Hearing Aid With Wireless Signal Transmission | |
| US2012106762A1 | Hearing aid device for frequency compression | |
| US2013188815A1 | Method and device for frequency compression | |
| US2007269069A1 | Hearing apparatus with feedback detection and corresponding method |