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Venkatramani Iyer
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Roanoke, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Photochromic ophthalmic systems that selectively filter specific bl...
Patent number
9,377,569
Issue date
Jun 28, 2016
High Performance Optics, Inc.
Andrew W. Ishak
G02 - OPTICS
Information
Patent Grant
Electro-active lenses including thin glass substrates
Patent number
9,081,208
Issue date
Jul 14, 2015
Mitsui Chemicals, Inc.
Ronald Blum
G02 - OPTICS
Information
Patent Grant
Multifocal lens having a progressive optical power region and a dis...
Patent number
9,033,494
Issue date
May 19, 2015
Mitsui Chemicals, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Electronic lens comprised of hybrid materials
Patent number
8,827,446
Issue date
Sep 9, 2014
HPO Assets LLC
Venkatramani Iyer
G02 - OPTICS
Information
Patent Grant
Refractive-diffractive multifocal lens
Patent number
8,662,665
Issue date
Mar 4, 2014
PixelOptics, Inc.
Venkatramani S. Iyer
G02 - OPTICS
Information
Patent Grant
Static progressive surface region in optical communication with a d...
Patent number
8,641,191
Issue date
Feb 4, 2014
E-Vision, LLC
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Multifocal lens having a progressive optical power region and a dis...
Patent number
8,434,865
Issue date
May 7, 2013
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
High performance selective light wavelength filtering providing imp...
Patent number
8,360,574
Issue date
Jan 29, 2013
High Performance Optics, Inc.
Andrew W. Ishak
G02 - OPTICS
Information
Patent Grant
Multifocal lens having a progressive optical power region and disco...
Patent number
8,308,295
Issue date
Nov 13, 2012
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Refractive-diffractive multifocal lens
Patent number
8,197,063
Issue date
Jun 12, 2012
PixelOptics, Inc.
Venkatramani S. Iyer
G02 - OPTICS
Information
Patent Grant
Multifocal lens having a progressive optical power region and a dis...
Patent number
8,092,016
Issue date
Jan 10, 2012
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Multiple layer multifocal composite lens
Patent number
8,075,132
Issue date
Dec 13, 2011
PixelOptics Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Static progressive surface region in optical communication with a d...
Patent number
7,988,286
Issue date
Aug 2, 2011
E-Vision LLC
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Multiple layer multifocal composite lens
Patent number
7,926,941
Issue date
Apr 19, 2011
PixelOptics Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Refractive-diffractive multifocal lens
Patent number
7,883,207
Issue date
Feb 8, 2011
PixelOptics, Inc.
Venkatramani S. Iyer
G02 - OPTICS
Information
Patent Grant
Multifocal lens having a progressive optical power region and a dis...
Patent number
7,883,206
Issue date
Feb 8, 2011
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Electro-active ophthalmic lens having an optical power blending region
Patent number
7,775,660
Issue date
Aug 17, 2010
E-Vision LLC
Wilber C. Stewart
G02 - OPTICS
Information
Patent Grant
Multiple layer multifocal composite lens
Patent number
7,744,215
Issue date
Jun 29, 2010
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
Static progressive surface region in optical communication with a d...
Patent number
7,604,349
Issue date
Oct 20, 2009
E-Vision, LLC
Ronald D. Blum
G02 - OPTICS
Information
Patent Grant
System and method for selective light inhibition
Patent number
7,556,376
Issue date
Jul 7, 2009
High Performance Optics, Inc.
Andrew W. Ishak
G02 - OPTICS
Information
Patent Grant
Color balanced ophthalmic system with selective light inhibition
Patent number
7,520,608
Issue date
Apr 21, 2009
High Performance Optics, Inc.
Andrew W. Ishak
G02 - OPTICS
Information
Patent Grant
Lens or semi-finished blank comprising photochromic resin compositions
Patent number
5,914,174
Issue date
Jun 22, 1999
Innotech, Inc.
Amitava Gupta
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Impregnation of plastic substrates with photochromic additives
Patent number
5,851,585
Issue date
Dec 22, 1998
Innotech, Inc.
Amitava Gupta
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Impregnation of plastic substrates with photochromic additives
Patent number
5,789,015
Issue date
Aug 4, 1998
Innotech, Inc.
Amitava Gupta
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composite lenses
Patent number
5,702,819
Issue date
Dec 30, 1997
Innotech, Inc.
Amitava Gupta
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Composite lenses
Patent number
5,512,371
Issue date
Apr 30, 1996
Innotech, Inc.
Amitava Gupta
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Refractive-Diffractive Multifocal Lens
Publication number
20140132916
Publication date
May 15, 2014
PixelOptics, Inc. (Estate of)
Venkatramani S. Iyer
G02 - OPTICS
Information
Patent Application
MULTIFOCAL LENS HAVING A PROGRESSIVE OPTICAL POWER REGION AND A DIS...
Publication number
20130070199
Publication date
Mar 21, 2013
PixelOptics, Inc.
RONALD D. BLUM
G02 - OPTICS
Information
Patent Application
Electro-Active Lenses Including Thin Glass Substrates
Publication number
20130027655
Publication date
Jan 31, 2013
PixelOptics, Inc.
Ronald Blum
G02 - OPTICS
Information
Patent Application
Refractive-Diffractive Multifocal Lens
Publication number
20130003014
Publication date
Jan 3, 2013
PixelOptics, Inc.
Venkatramani S. Iyer
G02 - OPTICS
Information
Patent Application
Electronic Lens Comprised of Hybrid Matertials
Publication number
20120229754
Publication date
Sep 13, 2012
PixelOptics, Inc.
Venkatramani Iyer
G02 - OPTICS
Information
Patent Application
MOLD FOR DIFFRACTIVE OPHTHALMIC LENS
Publication number
20120061863
Publication date
Mar 15, 2012
PixelOptics, Inc.
Bryan Cox
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Static Progressive Surface Region In Optical Communication With A D...
Publication number
20120038882
Publication date
Feb 16, 2012
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Application
Multifocal Lens Having a Progressive Optical Power Region and Disco...
Publication number
20110194069
Publication date
Aug 11, 2011
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Application
Refractive-Diffractive Multifocal Lens
Publication number
20110176103
Publication date
Jul 21, 2011
PixelOptics, Inc.
Venkatramani S. Iyer
G02 - OPTICS
Information
Patent Application
OPHTHALMIC SYSTEM COMBINING OPHTHALMIC COMPONENTS WITH BLUE LIGHT W...
Publication number
20110157546
Publication date
Jun 30, 2011
High Performance Optics, Inc.
Andrew Ishak
G02 - OPTICS
Information
Patent Application
PHOTOCHROMIC OPHTHALMIC SYSTEMS THAT SELECTIVELY FILTER SPECIFIC BL...
Publication number
20110075096
Publication date
Mar 31, 2011
High Performance Optics, Inc.
Andrew W. Ishak
G02 - OPTICS
Information
Patent Application
Multiple Layer Multifocal Composite Lens
Publication number
20110043751
Publication date
Feb 24, 2011
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Application
Multifocal Lens Having A Progressive Optical Power Region and a Dis...
Publication number
20110043752
Publication date
Feb 24, 2011
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Application
MULTIFOCAL LENS HAVING A PROGRESSIVE OPTICAL POWER REGION AND A DIS...
Publication number
20110007266
Publication date
Jan 13, 2011
PixelOptics, Inc.
Ronald D. Blum
G02 - OPTICS
Information
Patent Application
STATIC PROGRESSIVE SURFACE REGION IN OPTICAL COMMUNICATION WITH A D...
Publication number
20100073632
Publication date
Mar 25, 2010
E-VISION, LLC
Ronald D. BLUM
G02 - OPTICS
Information
Patent Application
ELECTRICAL INSULATING LAYERS, UV PROTECTION, AND VOLTAGE SPIKING FO...
Publication number
20100002190
Publication date
Jan 7, 2010
Roger CLARKE
G02 - OPTICS
Information
Patent Application
MULTIPLE LAYER MULTIFOCAL COMPOSITE LENS
Publication number
20090161066
Publication date
Jun 25, 2009
PixelOptics Inc.
Ronald D. BLUM
G02 - OPTICS
Information
Patent Application
REFRACTIVE-DIFFRACTIVE MULTIFOCAL LENS
Publication number
20090153794
Publication date
Jun 18, 2009
Venkatramani S. Iyer
G02 - OPTICS
Information
Patent Application
MULTIPLE LAYER MULTIFOCAL COMPOSITE LENS
Publication number
20090153795
Publication date
Jun 18, 2009
Ronald D. BLUM
G02 - OPTICS
Information
Patent Application
SPECTACLE FRAME BRIDGE HOUSING ELECTRONICS FOR ELECTRO-ACTIVE SPECT...
Publication number
20090103044
Publication date
Apr 23, 2009
Dwight P. Duston
G02 - OPTICS
Information
Patent Application
ELECTRO-ACTIVE INSERT
Publication number
20090091818
Publication date
Apr 9, 2009
Joshua N. Haddock
G02 - OPTICS
Information
Patent Application
Multifocal Lens Having a Progressive Optical Power Region and a Dis...
Publication number
20080273169
Publication date
Nov 6, 2008
Ronald D. BLUM
G02 - OPTICS
Information
Patent Application
MULTIFOCAL LENS HAVING A PROGRESSIVE OPTICAL POWER REGION AND A DIS...
Publication number
20080218689
Publication date
Sep 11, 2008
Ronald D. BLUM
G02 - OPTICS
Information
Patent Application
HIGH PERFORMANCE SELECTIVE LIGHT WAVELENGTH FILTERING PROVIDING IMP...
Publication number
20080186448
Publication date
Aug 7, 2008
High Performance Optics, Inc.
Andrew W. ISHAK
G02 - OPTICS
Information
Patent Application
System and method for selective light inhibition
Publication number
20080094566
Publication date
Apr 24, 2008
Andrew W. Ishak
G02 - OPTICS
Information
Patent Application
Static progressive surface region in optical communication with a d...
Publication number
20080002150
Publication date
Jan 3, 2008
Ronald D. Blum
G02 - OPTICS
Information
Patent Application
Spectacle frame bridge housing electronics for electro-active spect...
Publication number
20070258039
Publication date
Nov 8, 2007
Dwight P. Duston
G02 - OPTICS
Information
Patent Application
Ophthalmic system combining ophthalmic components with blue light w...
Publication number
20070216861
Publication date
Sep 20, 2007
Andrew Ishak
G02 - OPTICS
Information
Patent Application
Device and method for manufacturing an electro-active spectacle len...
Publication number
20070159562
Publication date
Jul 12, 2007
Joshua N. Haddock
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Electro-active ophthalmic lens having an optical power blending region
Publication number
20070052920
Publication date
Mar 8, 2007
Wilber C. Stewart
G02 - OPTICS