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Patents Grants
last 30 patents
Information
Patent Grant
Optical splitter chip, optical splitter component, optical splitter...
Patent number
11,644,619
Issue date
May 9, 2023
Huawei Technologies Co., Ltd.
Biao Qi
G02 - OPTICS
Information
Patent Grant
Optical splitter chip, optical splitter component, optical splitter...
Patent number
11,280,960
Issue date
Mar 22, 2022
Huawei Technologies Co., Ltd.
Biao Qi
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical Splitter, Optical Splitter Chip, Communication Device, and...
Publication number
20250231343
Publication date
Jul 17, 2025
Huawei Technologies Co., Ltd
Yue Wen
G02 - OPTICS
Information
Patent Application
Optical Splitter Chip, Optical Splitter Component, Optical Splitter...
Publication number
20220171128
Publication date
Jun 2, 2022
Huawei Technologies Co., Ltd
Biao QI
G02 - OPTICS
Information
Patent Application
OPTICAL SPLITTER CHIP, OPTICAL SPLITTER COMPONENT, OPTICAL SPLITTER...
Publication number
20200284980
Publication date
Sep 10, 2020
Huawei Technologies Co., Ltd
Biao QI
G02 - OPTICS