| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Denmark | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Norway | 2 | |
| #5 | Sweden | 2 | |
| #6 | Australia | 1 | |
| #7 | Canada | 1 | |
| #8 | Spain | 1 | |
| #9 | Finland | 1 | |
| #10 | Italy | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Audio-visual technology | |
| #3 | Computer technology | |
| #4 | IT methods for management | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Loefberg Bo | 10 |
| #2 | Lofberg Bo | 4 |
| #3 | Lofberg | 1 |
| #4 | Lofberg B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU8273682A | ** | |
| EP0085680A1 | Data carrier. | |
| CA1183950A | Method for processing an information signal and means for carrying out the method | |
| SE418656B | Method for recording and playback of recording media and playback arrangement for implementing the method |