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last 30 patents
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Patent Grant
Optical device with phase modulation layer and phase compensating l...
Patent number
11,425,344
Issue date
Aug 23, 2022
Shenzhen Photonic Crystal CO. LTD
Yongjing Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Video conference system utilizing transparent screen
Publication number
20180367756
Publication date
Dec 20, 2018
Shenzhen Optical Crystal LTD, Co.
YONGJING WANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical device with phase modulation layer and phase compensating l...
Publication number
20180309967
Publication date
Oct 25, 2018
Shenzhen Optical Crystal LTD, Co.
YONGJING WANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE