| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | Hong Kong | 1 | |
| #5 | Republic of Korea | 1 | |
| #6 | Taiwan | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Analysing materials | |
| #3 | Time-interval measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neckmar Martin | 5 |
| #2 | Wilhelmsson Ulf | 3 |
| #3 | Wilhelmson Ulf | 3 |
| #4 | Martin Neckmar | 1 |
| #5 | Ulf Wilhelmsson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20070039875A | A quality testing method for optical data carriers | |
| WO03036627A1 | A quality-testing apparatus and method | |
| EP1362217A1 | A local track pitch measuring apparatus and method | |
| EP1025562A1 | Method and device for measuring and registering statistical time variations for an optical data carrier |