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Ker Chin Dave Ang
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Singapore, SG
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Patents Grants
last 30 patents
Information
Patent Grant
Optical lens and method of coating an edge surface of an optical lens
Patent number
11,981,098
Issue date
May 14, 2024
Essilor International
Mabeline Tan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for determining an ophthalmic lens and associated ophthalmic...
Patent number
11,592,687
Issue date
Feb 28, 2023
Essilor International
Ker Chin Ang
G02 - OPTICS
Information
Patent Grant
Optical article with gradient photochromism
Patent number
9,678,363
Issue date
Jun 13, 2017
Essilor International (Compagnie Générale d'Optique)
Ker Chin Dave Ang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL ARTICLE HAVING A MULTILAYERED ANTIREFLECTIVE COATING ON ITS...
Publication number
20240061155
Publication date
Feb 22, 2024
Essilor International
Xingzhao DING
G02 - OPTICS
Information
Patent Application
OPHTHALMIC LENS, METHOD OF MANUFACTURING THEREOF, AND EYEWEAR COMPR...
Publication number
20220365365
Publication date
Nov 17, 2022
Essilor International
Sunil BHANGALE
G02 - OPTICS
Information
Patent Application
OPTICAL LENS AND METHOD OF COATING AN EDGE SURFACE OF AN OPTICAL LENS
Publication number
20210046718
Publication date
Feb 18, 2021
Essilor International
Mabeline TAN
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR DETERMINING AN OPHTHALMIC LENS AND ASSOCIATED OPHTHALMIC...
Publication number
20190278108
Publication date
Sep 12, 2019
Essilor International
Ker Chin ANG
G02 - OPTICS
Information
Patent Application
OPTICAL ARTICLE WITH GRADIENT PHOTOCHROMISM
Publication number
20160231594
Publication date
Aug 11, 2016
Essilor International (Compagnie Generale D Optique)
Ker Chin Dave Ang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...