Inventor
IYER VENKATRAMANI S
US24 patents
⚠️ This page may combine multiple inventors who share the name “IYER VENKATRAMANI S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIXELOPTICS INC
5 patentsUS7883207B2Feb 8, 2011
Refractive-diffractive multifocal lens
PIXELOPTICS INC68 citations98
US7883206B2Feb 8, 2011
Multifocal lens having a progressive optical power region and a discontinuity
PIXELOPTICS INC35 citations92
US7926941B2Apr 19, 2011
Multiple layer multifocal composite lens
PIXELOPTICS INC7 citations84
US7744215B2Jun 29, 2010
Multiple layer multifocal composite lens
PIXELOPTICS INC16 citations84
US8434865B2May 7, 2013
Multifocal lens having a progressive optical power region and a discontinuity
PIXELOPTICS INC3 citations63
INNOTECH INC
5 patentsUS5914174AJun 22, 1999
Lens or semi-finished blank comprising photochromic resin compositions
INNOTECH INC128 citations98
US5512371AApr 30, 1996
Composite lenses
INNOTECH INC163 citations97
US5789015AAug 4, 1998
Impregnation of plastic substrates with photochromic additives
INNOTECH INC92 citations96
US5702819ADec 30, 1997
Composite lenses
INNOTECH INC105 citations96
US5851585ADec 22, 1998
Impregnation of plastic substrates with photochromic additives
INNOTECH INC36 citations93
BLUM RONALD D
5 patentsUS9033494B2May 19, 2015
Multifocal lens having a progressive optical power region and a discontinuity
BLUM RONALD D16 citations92
US8308295B2Nov 13, 2012
Multifocal lens having a progressive optical power region and discontinuity
BLUM RONALD D14 citations92
US8092016B2Jan 10, 2012
Multifocal lens having a progressive optical power region and a discontinuity
BLUM RONALD D34 citations92
US8641191B2Feb 4, 2014
Static progressive surface region in optical communication with a dynamic optic
BLUM RONALD D9 citations84
US8075132B2Dec 13, 2011
Multiple layer multifocal composite lens
BLUM RONALD D11 citations84
HIGH PERFORMANCE OPTICS INC
3 patentsUS8360574B2Jan 29, 2013
High performance selective light wavelength filtering providing improved contrast sensitivity
HIGH PERFORMANCE OPTICS INC355 citations98
US7520608B2Apr 21, 2009
Color balanced ophthalmic system with selective light inhibition
HIGH PERFORMANCE OPTICS INC77 citations98
US7556376B2Jul 7, 2009
System and method for selective light inhibition
HIGH PERFORMANCE OPTICS INC121 citations96
E VISION LLC
3 patentsUS7604349B2Oct 20, 2009
Static progressive surface region in optical communication with a dynamic optic
E VISION LLC53 citations98
US7988286B2Aug 2, 2011
Static progressive surface region in optical communication with a dynamic optic
E VISION LLC9 citations84
US7775660B2Aug 17, 2010
Electro-active ophthalmic lens having an optical power blending region
E VISION LLC9 citations84