| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 16 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | Australia | 5 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | United States | 3 | |
| #6 | Brazil | 1 | |
| #7 | China | 1 | |
| #8 | Germany | 1 | |
| #9 | Denmark | 1 | |
| #10 | India | 1 | |
| #11 | Mexico | 1 | |
| #12 | Norway | 1 | |
| #13 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Machines | |
| #3 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Optical systems | |
| #3 | Unspecified technologies | |
| #4 | Television |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berglund Stig | 34 |
| #2 | Berglund S | 4 |
| #3 | Stig Berglund | 2 |
| #4 | Ab Berglund Sptica Nova Onab | 1 |
| #5 | Berglund Gabriel Leopold | 1 |
| #6 | Berglund Sptica Nova Onab Ab | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9701128A1 | Illumination arrangement for projection with reflective displays | |
| WO9422047A1 | Projector | |
| WO9422048A1 | Illumination device for a projector | |
| WO9422050A1 | Tv-projector | |
| DE3928354A1 | PROJECTION LENS | |
| SE8803673D0 | Overhead projector | |
| DK521188A | Projection unit | |
| CN1039663A | Projector apparatus | |
| ZA8805117B | Projector apparatus | |
| BR8707960A | Projector appliance |