Xiaohong ZHANG

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Colored optical article with neutral transmitting coating having as...
- Patent number 11,448,902
- Issue date Sep 20, 2022
- Essilor International
- Montserrat Burgos
- G02 - OPTICS
Information Patent Grant
Optical lens for correcting color vision
- Patent number 11,327,342
- Issue date May 10, 2022
- Essilor International
- Marie Dubail
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Colored Optical Article with Neutral Transmitting Coating Having As...
- Publication number 20210341760
- Publication date Nov 4, 2021
- Essilor International
- Montserrat BURGOS
- G02 - OPTICS
Information Patent Application
Optical Lens for Correcting Color Vision
- Publication number 20200218089
- Publication date Jul 9, 2020
- Essilor International
- Marie DUBAIL
- G02 - OPTICS
Information Patent Application
OPHTHALMIC LENS WITH IMPROVED COLOUR PERCEPTION
- Publication number 20180120592
- Publication date May 3, 2018
- ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
- Xiaohong ZHANG
- G02 - OPTICS
Information Patent Application
OPTICAL FILTER
- Publication number 20180107026
- Publication date Apr 19, 2018
- ESSILOR INTERNATIONAL (COMPAGNIE GENRALE D'OPTIQUE)
- Christelle MARCK
- G02 - OPTICS