Assignee

ESSILOR INT

FR1,269 patents

Top patents by PatentIndex Score

US7229173B2Jun 12, 2007

Short corridor progressive addition lenses with reduced unwanted astigmatism

ESSILOR INT82 citations98

US6325508B1Dec 4, 2001

Visual equipment for checking close vision working distance

ESSILOR INT138 citations98

US6145987ANov 14, 2000

Multifocal ophthalmic lenses with spherical aberration varying with the addition and the ametropia

ESSILOR INT176 citations98

US5016977AMay 21, 1991

Optical lens for correcting astigmatism

ESSILOR INT494 citations98

US7656581B2Feb 2, 2010

Transparent and polarizing viewing element having a zone associated with an obliquely oriented polarizing filter

ESSILOR INT59 citations97

US6562466B2May 13, 2003

Process for transferring a coating onto a surface of a lens blank

ESSILOR INT79 citations97

US6382789B1May 7, 2002

Toric ophthalmic lenses

ESSILOR INT125 citations97

US6379008B1Apr 30, 2002

Method of determining the shape of an opthalmic contact lens for correcting optical aberrations of the eye beyond defocusing or astigmatism and system for implementing the method

ESSILOR INT86 citations97

US5270745ADec 14, 1993

Sight-correcting optical component such as an intra-ocular implant or contact lens

ESSILOR INT166 citations96

US4940751AJul 10, 1990

Wettable silicon elastomer for the manufacture of contact lenses

ESSILOR INT53 citations96

US6709107B2Mar 23, 2004

Composite ophthalmic lens and method for obtaining same

ESSILOR INT106 citations95

US6281366B1Aug 28, 2001

Photochromic [3H]naphtho[2,1-b]pyran compounds containing an acetylenic substituent, process for their manufacture, and photochromic materials and articles obtained

ESSILOR INT93 citations95

US6017121AJan 25, 2000

Multifocal artificial ocular lens with a transparency varying with illumination

ESSILOR INT103 citations95

US5458820AOct 17, 1995

Method of making a thermoplastic lens coated with a thermosetting protective layer

ESSILOR INT58 citations95

US5272495ADec 21, 1993

Progressive multifocal ophthalmic lens

ESSILOR INT81 citations95

US5139707AAug 18, 1992

Indolino-spiroquinoxalino oxazine photochromatic compounds, methods for their preparation, photochromic compositions and articles containing such compounds

ESSILOR INT97 citations95

US5104212AApr 14, 1992

Diffractive contact lens in relief

ESSILOR INT76 citations95

US8052278B2Nov 8, 2011

Randomly pixellated optical component, its fabrication method and its use in the fabrication of a transparent optical element

ESSILOR INT43 citations94

US6624237B2Sep 23, 2003

Method for preparing an organo-silicon sol and materials obtained from such sol

ESSILOR INT49 citations94

US6503631B1Jan 7, 2003

Ophthalmic lens made of organic glass, comprising an anti-shock primer coat

ESSILOR INT88 citations94

US5973098AOct 26, 1999

Polymerizable compositions for making thio containing resins including a thiocyanate salt catalyst and process for making thio containing resin articles

ESSILOR INT62 citations94

US5702825ADec 30, 1997

Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions

ESSILOR INT95 citations94

US5530491AJun 25, 1996

Simultaneous vision ophthalmic lens for correcting presbyopia and pair of ophthalmic lenses of this kind for the same wearer

ESSILOR INT62 citations94

US5488442AJan 30, 1996

Progressive multifocal ophthalmic lens

ESSILOR INT87 citations94

US5357024AOct 18, 1994

Method for preparing a polysiloxane and titanate composition for high refractive index coatings

ESSILOR INT99 citations94

US5172143ADec 15, 1992

Artificial optical lens and method of manufacturing it

ESSILOR INT65 citations94

US4957506ASep 18, 1990

Optical system using an ophthalmic lens and an intra-ocular lens to improve the sight of a person suffering from macular degeneration

ESSILOR INT67 citations94

US10649238B2May 12, 2020

Head mounted device intended to be worn by a wearer

ESSILOR INT24 citations93

US10548473B2Feb 4, 2020

Optometry measuring scale

ESSILOR INT26 citations93

US9885884B2Feb 6, 2018

Myopia control optical system

ESSILOR INT39 citations93

US7364294B2Apr 29, 2008

Progressive addition lenses with reduced unwanted astigmatism

ESSILOR INT24 citations93

US7318642B2Jan 15, 2008

Progressive addition lenses with reduced unwanted astigmatism

ESSILOR INT21 citations93

US7159983B2Jan 9, 2007

Multifocal lenses for pre-presbyopic individuals

ESSILOR INT105 citations93

US6312811B1Nov 6, 2001

Photochromic naphtho [2,1-b]pyran compounds containing bithienyl or terthienyl substituents, process for their manufacture, and photochromic materials and articles obtained

ESSILOR INT87 citations93

US6218494B1Apr 17, 2001

Abrasion-resistant coating composition process for making such coating composition and article coated therewith

ESSILOR INT61 citations93

US6019914AFeb 1, 2000

Photochromic spirooxazine compounds, their use in the field of ophthalmic optics

ESSILOR INT85 citations93

US5662839ASep 2, 1997

Method of filling a mold for manufacturing an optical lens

ESSILOR INT103 citations93

US4976534ADec 11, 1990

Simultaneous vision optical lens for correcting presbyopia

ESSILOR INT92 citations93

US7935212B2May 3, 2011

Process for transferring onto a surface of an optical article a layer having a variable index of refraction

ESSILOR INT25 citations92

US7808707B2Oct 5, 2010

Process for producing a transparent optical element, optical component involved in this process and optical element thus obtained

ESSILOR INT28 citations92

US7806526B2Oct 5, 2010

Progressive ophthalmic lens and method of producing one such lens

ESSILOR INT20 citations92

US7494305B2Feb 24, 2009

Raster cutting technology for ophthalmic lenses

ESSILOR INT19 citations92

US7455796B2Nov 25, 2008

Process for transferring a coating onto a surface of a lens blank

ESSILOR INT15 citations92

US7338161B2Mar 4, 2008

Optical accommodative compensation system

ESSILOR INT32 citations92

US7275822B2Oct 2, 2007

Progressive addition lenses with adjusted image magnification

ESSILOR INT28 citations92

US7207675B1Apr 24, 2007

Ophthalmic lens

ESSILOR INT35 citations92

US7014317B2Mar 21, 2006

Method for manufacturing multifocal lenses

ESSILOR INT30 citations92

Showing the top 50 of 1,269 patents by PatentIndex Score.

ESSILOR INT

Top patents by PatentIndex Score

Short corridor progressive addition lenses with reduced unwanted astigmatism

Visual equipment for checking close vision working distance

Multifocal ophthalmic lenses with spherical aberration varying with the addition and the ametropia

Optical lens for correcting astigmatism

Transparent and polarizing viewing element having a zone associated with an obliquely oriented polarizing filter

Process for transferring a coating onto a surface of a lens blank

Toric ophthalmic lenses

Method of determining the shape of an opthalmic contact lens for correcting optical aberrations of the eye beyond defocusing or astigmatism and system for implementing the method

Progressive multifocal ophthalmic lens

Multiple contour diffractive lens

Set of progressive multifocal ophthalmic lenses

Sight-correcting optical component such as an intra-ocular implant or contact lens

Wettable silicon elastomer for the manufacture of contact lenses

Composite ophthalmic lens and method for obtaining same

Photochromic [3H]naphtho[2,1-b]pyran compounds containing an acetylenic substituent, process for their manufacture, and photochromic materials and articles obtained

Multifocal artificial ocular lens with a transparency varying with illumination

Method of making a thermoplastic lens coated with a thermosetting protective layer

Progressive multifocal ophthalmic lens

Indolino-spiroquinoxalino oxazine photochromatic compounds, methods for their preparation, photochromic compositions and articles containing such compounds

Diffractive contact lens in relief

Randomly pixellated optical component, its fabrication method and its use in the fabrication of a transparent optical element

Method for preparing an organo-silicon sol and materials obtained from such sol

Ophthalmic lens made of organic glass, comprising an anti-shock primer coat

Polymerizable compositions for making thio containing resins including a thiocyanate salt catalyst and process for making thio containing resin articles

Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions

Simultaneous vision ophthalmic lens for correcting presbyopia and pair of ophthalmic lenses of this kind for the same wearer

Progressive multifocal ophthalmic lens

Method for preparing a polysiloxane and titanate composition for high refractive index coatings

Artificial optical lens and method of manufacturing it

Optical system using an ophthalmic lens and an intra-ocular lens to improve the sight of a person suffering from macular degeneration

Head mounted device intended to be worn by a wearer

Optometry measuring scale

Myopia control optical system

Progressive addition lenses with reduced unwanted astigmatism

Progressive addition lenses with reduced unwanted astigmatism

Multifocal lenses for pre-presbyopic individuals

Photochromic naphtho [2,1-b]pyran compounds containing bithienyl or terthienyl substituents, process for their manufacture, and photochromic materials and articles obtained

Abrasion-resistant coating composition process for making such coating composition and article coated therewith

Photochromic spirooxazine compounds, their use in the field of ophthalmic optics

Method of filling a mold for manufacturing an optical lens

Simultaneous vision optical lens for correcting presbyopia

Process for transferring onto a surface of an optical article a layer having a variable index of refraction

Process for producing a transparent optical element, optical component involved in this process and optical element thus obtained

Progressive ophthalmic lens and method of producing one such lens

Raster cutting technology for ophthalmic lenses

Process for transferring a coating onto a surface of a lens blank

Optical accommodative compensation system

Progressive addition lenses with adjusted image magnification

Ophthalmic lens

Method for manufacturing multifocal lenses