Essllor International (Compagnie Generale D'Optique)
2Patents
0Active
2Granted
25Portfolio score
Filing activity: Jun 4, 1993 → Mar 29, 2006
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5296305A | Method of fabricating a lens made of transparent polymer with modulated refracting index | Emerging Cross-Sectional Technologies | 55 | Expired |
| US7207674B2 | Ophthalmic lens | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.