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Changsha, CN
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Patents Grants
last 30 patents
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Patent Grant
Film-applying device and method for 3D glass with two opposite curv...
Patent number
10,807,317
Issue date
Oct 20, 2020
LENS TECHNOLOGY (CHANGSHA) CO., LTD.
Kwan Fei Chau
B32 - LAYERED PRODUCTS
Information
Patent Grant
Forming method for curved glass
Patent number
10,759,689
Issue date
Sep 1, 2020
Lens Technology (Changsha) Co., Ltd
Kwan Fei Chau
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
UV film sensor and preparation method therefor, and touch control s...
Patent number
10,698,539
Issue date
Jun 30, 2020
Lens Technology (Changsha) Co., Ltd
Kwan Fei Chau
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for preparing sapphire lens and sapphire lens
Patent number
10,532,525
Issue date
Jan 14, 2020
Lens Technology (Changsha) Co., Ltd
Kwan Fei Chau
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
FILM-APPLYING DEVICE AND METHOD FOR 3D GLASS WITH TWO OPPOSITE CURV...
Publication number
20190126565
Publication date
May 2, 2019
LENS TECHNOLOGY (CHANGSHA) CO., LTD.
Kwan Fei CHAU
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method for Preparing Sapphire Lens and Sapphire Lens
Publication number
20180319109
Publication date
Nov 8, 2018
Lens Technology (Changsha) Co., Ltd.
Kwan Fei Chau
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
UV Film Sensor and Preparation Method Therefor, and Touch Control S...
Publication number
20180107297
Publication date
Apr 19, 2018
LENS TECHNOLOGY (CHANGSHA) CO.,LTD
Kwan Fei Chau
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Forming Method for Curved Glass
Publication number
20170341969
Publication date
Nov 30, 2017
LENS TECHNOLOGY (CHANGSHA) CO.,LTD
Kwan Fei Chau
C03 - GLASS MINERAL OR SLAG WOOL