Inventor · disambiguated record
Nacer Lakhchaf
Also filed as: LAKHCHAF NACER
5 granted patents·2 citations·filing 2014–2020
61Inventor score
Technology areasG02C
Files withESSILOR INT5
Top patents by PatentIndex Score
5 records- 0172US10712590B2Opthalmic progressive addition lens for a presbyopic wearer; method for providing such a lensESSILOR INT·Filed 2016·Granted Jul 14, 2020·2 cites·12 claims
- 0246US12210223B2Methods and systems for optimizing an optical function of a progressive ophthalmic lens under specific wearing conditionsESSILOR INT·Filed 2020·Granted Jan 28, 2025·0 cites·18 claims
- 0346US10234700B2Method for checking the correct assembly of a frame and corrective lensesESSILOR INT·Filed 2014·Granted Mar 19, 2019·0 cites·14 claims
- 0441US10690938B2Ophthalmic progressive addition lens for a myopic or emmetropic presbyopic wearer; method for providing such a lensESSILOR INT·Filed 2016·Granted Jun 23, 2020·0 cites·15 claims
- 0539US10942368B2Method for determining an optical system of a progressive lensESSILOR INT·Filed 2016·Granted Mar 9, 2021·0 cites·15 claims
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