| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Finland | 2 | |
| #3 | Norway | 2 | |
| #4 | Sweden | 2 | |
| #5 | United States | 2 | |
| #6 | Australia | 1 | |
| #7 | Canada | 1 | |
| #8 | China | 1 | |
| #9 | Denmark | 1 | |
| #10 | Japan | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Implantable devices | |
| #2 | Physical therapy devices | |
| #3 | Syringes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Densert Barbara | 17 |
| #2 | Densert Ove | 14 |
| #3 | Jonsson Lennart | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP0309431A1 | Ventilation tube and method of ventilating the middle ear by the same means | |
| EP0266474A1 | Apparatus for treatment of Meniere's disease | |
| WO8302556A1 | An apparatus for influencing the hydrodynamic system in the inner of an ear |