| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Basic communication technologies | |
| #3 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Speech analysis | |
| #3 | Amplification control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fischer Eghart | 14 |
| #2 | Puder Henning | 6 |
| #3 | Hain Jens | 6 |
| #4 | Froehlich Matthias | 5 |
| #5 | Steinbubeta Andre | 3 |
| #6 | Steinbuss Andre | 2 |
| #7 | Schmitt Christian | 1 |
| #8 | Radick Erika | 1 |
| #9 | Schmidt Benjamin | 1 |
| #10 | Nikles Peter | 1 |