Inventor · disambiguated record
Klaus Ehrmann
Also filed as: EHRMANN KLAUS
42 granted patents·18 pending applications·316 citations·filing 2005–2025
98Inventor score
Files withBRIEN HOLDEN VISION INSTITUTE LTD27HOLDEN BRIEN VISION INST14NTHALMIC HOLDING PTY LTD12EHRMANN KLAUS2EVANS SIMON RODNEY2
Top patents by PatentIndex Score
60 records- 0198US9195074B2Lenses, devices and methods for ocular refractive errorHOLDEN BRIEN VISION INST·Filed 2013·Granted Nov 24, 2015·41 cites·20 claims
- 0297US10203522B2Lenses, devices, methods and systems for refractive errorHOLDEN BRIEN VISION INST·Filed 2016·Granted Feb 12, 2019·12 cites·20 claims
- 0395US10948743B2Lenses, devices, methods and systems for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2018·Granted Mar 16, 2021·6 cites·20 claims
- 0494US11226497B2Devices, systems and/or methods for myopia controlBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2017·Granted Jan 18, 2022·8 cites·22 claims
- 0594US10838235B2Lenses, devices, and methods for ocular refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2018·Granted Nov 17, 2020·5 cites·23 claims
- 0694US9575334B2Lenses, devices and methods of ocular refractive errorHOLDEN BRIEN VISION INST·Filed 2014·Granted Feb 21, 2017·16 cites·20 claims
- 0793US10466507B2Lenses, devices and methods for ocular refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2018·Granted Nov 5, 2019·4 cites·36 claims
- 0893US9759930B2Lenses, devices, systems and methods for refractive errorHOLDEN BRIEN VISION INST·Filed 2015·Granted Sep 12, 2017·15 cites·16 claims
- 0991US10534198B2Lenses, devices, methods and systems for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2016·Granted Jan 14, 2020·10 cites·25 claims
- 1091US10209535B2Lenses, devices and methods for ocular refractive errorHOLDEN BRIEN VISION INST·Filed 2017·Granted Feb 19, 2019·8 cites·23 claims
- 1191US9535263B2Lenses, devices, methods and systems for refractive errorHOLDEN BRIEN VISION INST·Filed 2013·Granted Jan 3, 2017·21 cites·30 claims
- 1291US9201250B2Lenses, devices, methods and systems for refractive errorHOLDEN BRIEN VISION INST·Filed 2013·Granted Dec 1, 2015·28 cites·33 claims
- 1389US2025199335A1Lenses, Devices, Methods and Systems for Refractive ErrorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2024·Application pending·0 cites
- 1488US11809024B2Lenses, devices, methods and systems for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2021·Granted Nov 7, 2023·1 cites·20 claims
- 1588US10520754B2Lenses, devices, systems and methods for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2017·Granted Dec 31, 2019·6 cites·26 claims
- 1688US9541773B2Lenses, devices, methods and systems for refractive errorHOLDEN BRIEN VISION INST·Filed 2013·Granted Jan 10, 2017·20 cites·17 claims
- 1787US12298605B2Lenses, devices, methods and systems for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2023·Granted May 13, 2025·0 cites·19 claims
- 1887US11644688B2Lenses, devices and methods for ocular refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2020·Granted May 9, 2023·1 cites·6 claims
- 1986US12386203B2Devices, systems and/or methods for myopia controlBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2023·Granted Aug 12, 2025·0 cites·20 claims
- 2086US11874529B2Ophthalmic optical lens for vision correction having one or more areas of more positive powerBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2021·Granted Jan 16, 2024·1 cites·20 claims
- 2186US2025291204A1Lenses, Devices, Methods and Systems for Refractive ErrorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2025·Application pending·0 cites
- 2286US2025110355A1Devices, Systems and/or Methods for Myopia ControlBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2024·Application pending·0 cites
- 2385US8342684B2Determination of optical adjustments for retarding myopia progressionINST EYE RES LTD·Filed 2008·Granted Jan 1, 2013·43 cites·20 claims
- 2485US2023350232A1Lenses, Devices and Methods for Ocular Refractive ErrorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2023·Application pending·0 cites
- 2583US7909465B2Characterising eye-related optical systemsHOLDEN BRIEN VISION INST·Filed 2008·Granted Mar 22, 2011·24 cites·21 claims
- 2681US12372811B2Ophthalmic optical lens for vision correction having one or more areas of more positive powerBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2023·Granted Jul 29, 2025·0 cites·13 claims
- 2781US11333903B2Lenses, devices, methods and systems for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2019·Granted May 17, 2022·1 cites·11 claims
- 2881US10962802B2Ophthalmic optical lens for vision correction having one or more areas of more positive powerBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2018·Granted Mar 30, 2021·2 cites·8 claims
- 2981US10352816B2Systems and methods for determining the quality of a reproduced (manufactured) optic deviceHOLDEN BRIEN VISION INST·Filed 2015·Granted Jul 16, 2019·2 cites·34 claims
- 3080US9445717B2System and method for characterising eye-related systemsEHRMANN KLAUS·Filed 2012·Granted Sep 20, 2016·5 cites·22 claims
- 3179US12360398B2Lenses, devices, systems and methods for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2022·Granted Jul 15, 2025·0 cites·18 claims
- 3279US12298604B2Lenses, devices, methods and systems for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2022·Granted May 13, 2025·0 cites·16 claims
- 3379US7810925B2Bifocal contact lensEVANS SIMON RODNEY·Filed 2009·Granted Oct 12, 2010·22 cites·16 claims
- 3478US12061383B2Devices, systems and/or methods for myopia controlBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2022·Granted Aug 13, 2024·0 cites·20 claims
- 3578US10575725B2System and method for characterising eye-related systemsBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2018·Granted Mar 3, 2020·2 cites·22 claims
- 3678US10191300B2Ophthalmic optical lens for vision correction having one or more areas of more positive powerHOLDEN BRIEN VISION INST·Filed 2013·Granted Jan 29, 2019·5 cites·20 claims
- 3777US11874532B2Devices, systems and/or methods for myopia controlBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2021·Granted Jan 16, 2024·0 cites·20 claims
- 3877US2025298260A1Freeform contact lens solution for myopiaNTHALMIC HOLDING PTY LTD·Filed 2025·Application pending·0 cites
- 3976US9936867B2System and method for characterising eye-related systemsHOLDEN BRIEN VISION INST·Filed 2016·Granted Apr 10, 2018·2 cites·29 claims
- 4076US8814356B2Physical model eye systems and methodsEHRMANN KLAUS·Filed 2009·Granted Aug 26, 2014·3 cites·22 claims
- 4173US2025216701A1Spectacle lenses with auxiliary optical elementsNTHALMIC HOLDING PTY LTD·Filed 2025·Application pending·0 cites
- 4271US11567347B2Systems, methods and devices for controlling the progression of myopiaBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2018·Granted Jan 31, 2023·1 cites·14 claims
- 4370US11320672B2Lenses, devices, systems and methods for refractive errorBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2019·Granted May 3, 2022·0 cites·7 claims
- 4467US12321046B2Spectacle lenses with auxiliary optical elementsNTHALMIC HOLDING PTY LTD·Filed 2021·Granted Jun 3, 2025·0 cites·20 claims
- 4563US12345961B2Freeform contact lens solution for myopiaNTHALMIC HOLDING PTY LTD·Filed 2020·Granted Jul 1, 2025·0 cites·20 claims
- 4662US10670495B2Systems and methods for determining the quality of a reproduced (manufactured) optic deviceBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2019·Granted Jun 2, 2020·0 cites·17 claims
- 4761US2023194895A1Systems, Methods and Devices for Controlling the Progression of MyopiaBRIEN HOLDEN VISION INSTITUTE LTD·Filed 2022·Application pending·0 cites
- 4860US2025189822A1A method to design toric contact lensesNTHALMIC HOLDING PTY LTD·Filed 2023·Application pending·0 cites
- 4952US2023107285A1Contact lens apparatus for myopia managementNTHALMIC HOLDING PTY LTD·Filed 2021·Application pending·0 cites
- 5051US12498588B2Optical films with non-refractive opaque features to transform single vision ophthalmic lenses into myopia management ophthalmic lensesNTHALMIC HOLDING PTY LTD·Filed 2021·Granted Dec 16, 2025·0 cites·18 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →