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last 30 patents
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Patent Grant
Laser protective film and laser protective device comprising the same
Patent number
11,256,008
Issue date
Feb 22, 2022
SOUTH CHINA NORMAL UNIVERSITY ELECTRONIC PAPER DISPLAY INSTITUTE
Guofu Zhou
G02 - OPTICS
Information
Patent Grant
Dye-doped laser protective film
Patent number
11,175,436
Issue date
Nov 16, 2021
SOUTH CHINA NORMAL UNIVERSITY
Guofu Zhou
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
LASER PROTECTIVE FILM AND LASER PROTECTIVE DEVICE COMPRISING THE SAME
Publication number
20200333514
Publication date
Oct 22, 2020
South China Normal University
Guofu ZHOU
G02 - OPTICS
Information
Patent Application
DYE-DOPED LASER PROTECTIVE FILM
Publication number
20200041701
Publication date
Feb 6, 2020
South China Normal University
Guofu ZHOU
G02 - OPTICS