| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Medical technology | |
| #3 | Machine tools | |
| #4 | Measurement | |
| #5 | IT methods for management |
| # | Technology | |
|---|---|---|
| #1 | Spectacles | |
| #2 | Diagnosis and surgery | |
| #3 | Grinding or polishing devices | |
| #4 | Radio navigation | |
| #5 | Data processing systems | |
| #6 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Haddadi Ahmed | 14 |
| #2 | Delzers Jean | 4 |
| #3 | Briegas Francisco | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2009140036A1 | Method of acquiring of at least a portion of the shape of a section of a spectacle frame circle |