| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 2 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | Czechia | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Finland | 1 | |
| #9 | Hong Kong | 1 | |
| #10 | Hungary | 1 | |
| #11 | Poland | 1 | |
| #12 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Special light sources | |
| #3 | Lighting device details |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hatjasalo Leo | 12 |
| #2 | Johansson Reijo | 11 |
| #3 | Rinko Kari | 2 |
| #4 | Hatjasalo L | 1 |
| #5 | Johansson R | 1 |
| #6 | Hatjasaalo Leo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN107110482A | Lighting device for danger zone | |
| FI972399A0 | Method and light generation device in the use of optical fiber |