VARIOPTIC S.A.
18Patents
15Active
18Granted
48Portfolio score
Filing activity: Nov 26, 2004 → Dec 21, 2010 · 14 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7864440B2 | Optical lens with variable focal length | Physics | 55 | Active |
| US7245440B2 | Variable focal lens | Physics | 47 | Expired |
| US7499223B2 | Variable-focus lens and method of manufacturing the same | Physics | 19 | Active |
| US7573646B2 | Liquid lens interconnection | Physics | 14 | Active |
| US7515350B2 | Lens of variable focal length | Physics | 12 | Expired |
| US8366001B2 | Calibration methods for imaging systems and imaging systems using such | Physics | 12 | Active |
| US8400558B2 | Image stabilization circuitry for liquid lens | Electricity | 12 | Active |
| US8260129B2 | Optical device for high quality and compact camera module | Electricity | 11 | Active |
| US7791815B2 | Dielectric coatings for electrowetting applications | Emerging Cross-Sectional Technologies | 7 | Active |
| US7940467B2 | Electrowetting device with polymer electrode | Physics | 7 | Active |
| US7576922B2 | Hermetic electrowetting device | Emerging Cross-Sectional Technologies | 6 | Active |
| US7548377B2 | Drop centering device | Performing Operations; Transporting | 4 | Active |
| US7729057B2 | Use of bromine anions in an optical electrowetting device | Physics | 4 | Active |
| US9074168B2 | Multiphase liquid composition for low voltage electrowetting device | Physics | 3 | Active |
| US7602557B2 | Variable-focus lens | Physics | 3 | Active |
| US7649692B2 | Drop centering device | Performing Operations; Transporting | 2 | Active |
| US8100592B2 | Housing for variable lens | Emerging Cross-Sectional Technologies | 1 | Active |
| US7619830B2 | Driver for liquid-filled lens generating high-voltage drive signal | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.