| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Finland | 2 | |
| #4 | Hungary | 2 | |
| #5 | Norway | 2 | |
| #6 | United States | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Svean Jarle | 15 |
| #2 | Krokstad Asbjorn | 9 |
| #3 | Ramstad Tor Audun | 6 |
| #4 | Krokstad Asbjoern | 6 |
| #5 | Sogn Bjorn | 4 |
| #6 | Sogn Bjoern | 3 |
| #7 | Ramstad Tor A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9108654A1 | Hearing aid | |
| BR9007508A | Electrodynamic sound generator for audiophone |