| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | Brazil | 3 | |
| #3 | China | 3 | |
| #4 | Mexico | 3 | |
| #5 | Sweden | 3 | |
| #6 | United States | 3 | |
| #7 | Australia | 2 | |
| #8 | Canada | 2 | |
| #9 | EPO (European Patent Office) | 2 | |
| #10 | Republic of Korea | 2 | |
| #11 | Taiwan | 2 | |
| #12 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Stereophonic systems | |
| #2 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gunnarsson Fredrik | 28 |
| #2 | Heed Christer | 13 |
| #3 | Fredrik Gunnarsson | 2 |
| Publication | Filing date | Title |
|---|---|---|
| KR20090007744A | Loudspeaker device | |
| TW200507682A | An audio stereo processing method, device and system | |
| AU2013400A | A method of processing and reproducing an audio stereo signal, and an audio stereo signal reproduction system |