Patent assignee · US · COMPANY

PixelOptics, Inc.

31Patents
30Active
31Granted
53Portfolio score

Filing activity: Feb 22, 2005 → Dec 24, 2012 · 22 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8678581B2 Attachable electro-active lens systems Physics 202 Active
US7926940B2 Advanced electro-active optic device Physics 136 Active
US7728949B2 Electro-active lens Physics 122 Active
US7475985B2 System, apparatus, and method for correcting vision using an electro-active lens Physics 75 Active
US7475984B2 Electro-optic lens with integrated components Physics 60 Expired
US8337014B2 Electronic eyeglass frame Physics 46 Active
US7883207B2 Refractive-diffractive multifocal lens Physics 38 Active
US8708483B2 Electronic eyeglass frame Physics 29 Active
US7883206B2 Multifocal lens having a progressive optical power region and a discontinuity Physics 29 Active
US8092016B2 Multifocal lens having a progressive optical power region and a discontinuity Physics 29 Active
US7656509B2 Optical rangefinder for an electro-active lens Physics 28 Active
US7654667B2 Progressive addition lens operating in combination with a multi-order diffractive optic Physics 26 Active
US8319937B2 Alignment of liquid crystalline materials to surface relief diffractive structures Physics 26 Active
US8408699B2 Electro-active spectacle lenses Physics 24 Active
US7971994B2 Electro-active spectacle lenses Physics 23 Active
US8197063B2 Refractive-diffractive multifocal lens Physics 21 Active
US8523354B2 Electro-active diffractive lens and method for making the same Emerging Cross-Sectional Technologies 21 Active
US7527375B2 Electronic adapter for electro-active spectacle lenses Physics 20 Active
US8317321B2 Multifocal lens with a diffractive optical power region Physics 16 Active
US7588332B2 Enhanced electro-active lens system Physics 12 Active
US7744215B2 Multiple layer multifocal composite lens Physics 9 Active
US8783861B2 Frame design for electronic spectacles Physics 9 Active
US8075132B2 Multiple layer multifocal composite lens Physics 7 Active
US8308295B2 Multifocal lens having a progressive optical power region and discontinuity Physics 7 Active
US8662665B2 Refractive-diffractive multifocal lens Physics 5 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.