| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Brazil | 1 | |
| #5 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Spectacles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kastner Stefan | 10 |
| #2 | Stefan Kastner | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2007135696A1 | Sight eyeglasses and method of manufacturing | |
| CN101243350A | Rimless eyeglasses | |
| EP1776611A1 | Improved eyeglasses |