Zhaocai Zeng

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Bluetooth earphone
- Patent number 12,047,724
- Issue date Jul 23, 2024
- Huawei Technologies Co., Ltd.
- Chungwen Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bluetooth earphone
- Patent number 11,838,711
- Issue date Dec 5, 2023
- Huawei Technologies Co., Ltd.
- Chungwen Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna, antenna apparatus, terminal, and method for adjusting work...
- Patent number 10,797,385
- Issue date Oct 6, 2020
- HUAWEI DEVICE CO., LTD.
- Dong Yu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Bluetooth Earphone
- Publication number 20220337933
- Publication date Oct 20, 2022
- Huawei Technologies Co., Ltd
- Chungwen Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Bluetooth Earphone
- Publication number 20220159363
- Publication date May 19, 2022
- Huawei Technologies Co., Ltd
- Chungwen Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna, Antenna Apparatus, Terminal, and Method for Adjusting Work...
- Publication number 20160276742
- Publication date Sep 22, 2016
- HUAWEI DEVICE CO., LTD.
- Dong Yu
- H01 - BASIC ELECTRIC ELEMENTS