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Ruiqiang Ji
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Shenzhen, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Wavelength calibration method, apparatus, and system for microring...
Patent number
11,320,677
Issue date
May 3, 2022
Huawei Technologies Co., Ltd.
Sujie Zhou
G02 - OPTICS
Information
Patent Grant
Add/drop filter and optical add/drop multiplexer
Patent number
11,095,386
Issue date
Aug 17, 2021
Huawei Technologies Co., Ltd.
Andrea Melloni
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reconfigurable optical add/drop multiplexer
Patent number
10,924,200
Issue date
Feb 16, 2021
Huawei Technologies Co., Ltd.
Ruiqiang Ji
G02 - OPTICS
Information
Patent Grant
Polarization independent optical device
Patent number
10,735,124
Issue date
Aug 4, 2020
Huawei Technologies Co., Ltd.
Ruiqiang Ji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electro-optic modulator
Patent number
10,684,497
Issue date
Jun 16, 2020
Huawei Technologies Co., Ltd.
Yanbo Li
G02 - OPTICS
Information
Patent Grant
Optical coupling apparatus and method
Patent number
10,422,967
Issue date
Sep 24, 2019
Huawei Technologies Co., Ltd.
Qing Zhao
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL MODULE, DATA CENTER SYSTEM, AND DATA TRANSMISSION METHOD
Publication number
20230007370
Publication date
Jan 5, 2023
Huawei Technologies Co., Ltd
Guangcan MI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH CALIBRATION METHOD, APPARATUS, AND SYSTEM FOR MICRORING...
Publication number
20200348543
Publication date
Nov 5, 2020
Huawei Technologies Co., Ltd
Sujie ZHOU
G02 - OPTICS
Information
Patent Application
ADD/DROP FILTER AND OPTICAL ADD/DROP MULTIPLEXER
Publication number
20200274631
Publication date
Aug 27, 2020
Huawei Technologies Co., Ltd
Andrea MELLONI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER
Publication number
20200059314
Publication date
Feb 20, 2020
Huawei Technologies Co., Ltd
Ruiqiang JI
G02 - OPTICS
Information
Patent Application
Polarization Independent Optical Device
Publication number
20190296850
Publication date
Sep 26, 2019
Huawei Technologies Co., Ltd
Ruiqiang JI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRO-OPTIC MODULATOR
Publication number
20190171044
Publication date
Jun 6, 2019
Huawei Technologies Co., Ltd
Yanbo Li
G02 - OPTICS
Information
Patent Application
OPTICAL COUPLING APPARATUS AND METHOD
Publication number
20180321451
Publication date
Nov 8, 2018
Huawei Technologies Co., Ltd
Qing Zhao
G02 - OPTICS