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Pengfei ZHANG
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Wuhan, CN
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Patents Grants
last 30 patents
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Patent Grant
Surface-emmiting laser comprising surface gratings
Patent number
11,183,814
Issue date
Nov 23, 2021
Huazhong University of Science & Technology
Weihua Guo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Distributed feedback laser based on surface grating
Patent number
10,811,842
Issue date
Oct 20, 2020
Huazhong University of Science & Technology
Qiaoyin Lu
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
SURFACE-EMMITING LASER COMPRISING SURFACE GRATINGS
Publication number
20210013699
Publication date
Jan 14, 2021
HUAZHONG UNIVERSITY OF SCIENCE & TECHNOLOGY
Weihua GUO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISTRIBUTED FEEDBACK LASER BASED ON SURFACE GRATING
Publication number
20190319426
Publication date
Oct 17, 2019
HUAZHONG UNIVERSITY OF SCIENCE & TECHNOLOGY
Qiaoyin LU
H01 - BASIC ELECTRIC ELEMENTS