| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Telecommunications | |
| #3 | Computer technology | |
| #4 | Digital networks | |
| #5 | Audio-visual technology | |
| #6 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Booij Wilfred Edwin | 18 |
| #2 | Engelhardtsen Fritjof Boger | 6 |
| #3 | Welle Knut | 4 |
| #4 | Ten Veldhuis Thys | 4 |
| #5 | Olsen Øysten Haug | 3 |
| #6 | Haslum Kjetil | 3 |
| #7 | Bakke Endre | 3 |
| #8 | Oplenskedal Magnus | 2 |
| #9 | Olsen Oystein Haug | 2 |
| #10 | Øyen Arne | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA3092756A1 | Acoustic positioning transmitter and receiver system and method | |
| EP3747207A1 | Low level smartphone audio and sensor clock synchronization |