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Shenzhen, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Optical system, illumination system, and display system
Patent number
12,174,376
Issue date
Dec 24, 2024
Huawei Technologies Co., Ltd.
Jinlei Wang
G02 - OPTICS
Information
Patent Grant
Optical switching apparatus, redirection method, reconfigurable opt...
Patent number
12,068,842
Issue date
Aug 20, 2024
Huawei Technologies Co., Ltd.
Wei Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength switching apparatus and system
Patent number
11,372,163
Issue date
Jun 28, 2022
Huawei Technologies Co., Ltd.
Hui Xiang
G02 - OPTICS
Information
Patent Grant
Frequency offset processing method, apparatus, and device and stora...
Patent number
11,316,591
Issue date
Apr 26, 2022
Huawei Technologies Co., Ltd.
Wei Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reconfigurable optical add/drop multiplexer
Patent number
11,067,752
Issue date
Jul 20, 2021
Huawei Technologies Co., Ltd.
Yunfei Yan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength selective switch, alignment direction obtaining method,...
Patent number
10,901,294
Issue date
Jan 26, 2021
Huawei Technologies Co., Ltd.
Liangjia Zong
G02 - OPTICS
Information
Patent Grant
Method and apparatus for transmitting optical signal, and wavelengt...
Patent number
10,666,363
Issue date
May 26, 2020
Huawei Technologies Co., Ltd.
Liangjia Zong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal monitoring method and apparatus for wavelength selective swi...
Patent number
10,666,375
Issue date
May 26, 2020
Huawei Technologies Co., Ltd.
Liangjia Zong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reconfigurable optical add/drop multiplexer
Patent number
10,620,376
Issue date
Apr 14, 2020
Huawei Technologies Co., Ltd.
Yunfei Yan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical power equilibrium method and apparatus
Patent number
10,560,186
Issue date
Feb 11, 2020
Huawei Technologies Co., Ltd.
Liangjia Zong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength selective switch, reconfigurable optical add/drop multip...
Patent number
10,133,005
Issue date
Nov 20, 2018
Huawei Technologies Co., Ltd.
Yunfei Yan
G02 - OPTICS
Information
Patent Grant
Wavelength selective switch
Patent number
9,977,190
Issue date
May 22, 2018
Huawei Technologies Co., Ltd.
Liangjia Zong
G02 - OPTICS
Information
Patent Grant
Wavelength selective switch
Patent number
9,762,983
Issue date
Sep 12, 2017
Huawei Technologies Co., Ltd.
Han Zhao
G02 - OPTICS
Information
Patent Grant
Wavelength selective switch and method for controlling spatial phas...
Patent number
9,660,723
Issue date
May 23, 2017
Huawei Technologies Co., Ltd.
Ning Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communications apparatus and method
Patent number
9,641,917
Issue date
May 2, 2017
Huawei Technologies Co., Ltd.
Yunfei Yan
G02 - OPTICS
Information
Patent Grant
Node apparatus
Patent number
9,515,766
Issue date
Dec 6, 2016
Huawei Technologies Co., Ltd.
Han Zhao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
DISPLAY APPARATUS, ELECTRONIC DEVICE, AND TRANSPORTATION MEANS
Publication number
20240255757
Publication date
Aug 1, 2024
Huawei Technologies Co., Ltd
Han Zhao
G02 - OPTICS
Information
Patent Application
OPTICAL SYSTEM, ILLUMINATION SYSTEM, AND DISPLAY SYSTEM
Publication number
20240103269
Publication date
Mar 28, 2024
Huawei Technologies Co., Ltd
Jinlei WANG
G02 - OPTICS
Information
Patent Application
OPTICAL SWITCHING APPARATUS, OPTICAL SWITCHING METHOD, OPTICAL SWIT...
Publication number
20240056707
Publication date
Feb 15, 2024
Huawei Technologies Co., Ltd
Han Zhao
G02 - OPTICS
Information
Patent Application
Optical Communication System and Optical Communication Method
Publication number
20240015421
Publication date
Jan 11, 2024
Huawei Technologies Co., Ltd
Zeshan Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Switching Apparatus, Redirection Method, Reconfigurable Opt...
Publication number
20230100718
Publication date
Mar 30, 2023
Huawei Technologies Co., Ltd.
Wei Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGING METHOD, IMAGING APPARATUS, OPTICAL IMAGING SYSTEM, AND VEHICLE
Publication number
20230085082
Publication date
Mar 16, 2023
Huawei Technologies Co., Ltd
Xin LIU
B60 - VEHICLES IN GENERAL
Information
Patent Application
WAVELENGTH SWITCHING APPARATUS AND SYSTEM
Publication number
20210149118
Publication date
May 20, 2021
Huawei Technologies Co., Ltd
Hui Xiang
G02 - OPTICS
Information
Patent Application
Frequency Offset Processing Method, Apparatus, and Device and Stora...
Publication number
20210135763
Publication date
May 6, 2021
Huawei Technologies Co., Ltd
Wei Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER
Publication number
20200225417
Publication date
Jul 16, 2020
Huawei Technologies Co., Ltd
Yunfei YAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH SELECTIVE SWITCH, ALIGNMENT DIRECTION OBTAINING METHOD,...
Publication number
20200225418
Publication date
Jul 16, 2020
Huawei Technologies Co., Ltd
Liangjia ZONG
G02 - OPTICS
Information
Patent Application
METHOD AND APPARATUS FOR TRANSMITTING OPTICAL SIGNAL, AND WAVELENGT...
Publication number
20190253151
Publication date
Aug 15, 2019
Huawei Technologies Co., Ltd
Liangjia Zong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL POWER EQUILIBRIUM METHOD AND APPARATUS
Publication number
20190238223
Publication date
Aug 1, 2019
Huawei Technologies Co., Ltd
Liangjia Zong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL MONITORING METHOD AND APPARATUS FOR WAVELENGTH SELECTIVE SWI...
Publication number
20190199464
Publication date
Jun 27, 2019
Huawei Technologies Co., Ltd
Liangjia Zong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER
Publication number
20180267247
Publication date
Sep 20, 2018
Huawei Technologies Co., Ltd
Yunfei YAN
G02 - OPTICS
Information
Patent Application
Wavelength Selective Switch, Reconfigurable Optical Add/Drop Multip...
Publication number
20180128984
Publication date
May 10, 2018
Huawei Technologies Co., Ltd
Yunfei Yan
G02 - OPTICS
Information
Patent Application
Wavelength Selective Switch
Publication number
20170299858
Publication date
Oct 19, 2017
Huawei Technologies Co., Ltd
Liangjia Zong
G02 - OPTICS
Information
Patent Application
OPTICAL COMMUNICATIONS APPARATUS AND METHOD
Publication number
20170041689
Publication date
Feb 9, 2017
Huawei Technologies Co., Ltd
Yunfei YAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH SELECTIVE SWITCH AND METHOD FOR CONTROLLING SPATIAL PHAS...
Publication number
20160211912
Publication date
Jul 21, 2016
Huawei Technologies Co., Ltd
Ning LIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH SELECTIVE SWITCH
Publication number
20160165324
Publication date
Jun 9, 2016
Huawei Technologies Co., Ltd
Han Zhao
G02 - OPTICS
Information
Patent Application
NODE APPARATUS
Publication number
20160036553
Publication date
Feb 4, 2016
Huawei Technologies Co., Ltd
Han ZHAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE