| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Consumer goods | |
| #4 | Audio-visual technology | |
| #5 | Electrical machinery and energy | |
| #6 | Optics | |
| #7 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Noponen Seppo | 11 |
| #2 | Noponen Seppo Vaeinaemoe | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9628949A1 | Loudspeaker | |
| US5714722A | Loudspeaker | |
| US5436808A | Headlamp | |
| CA2079595A1 | Acoustic search device |