Qingqiu LIU

Follow

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless headset and headset box
- Patent number 12,041,406
- Issue date Jul 16, 2024
- Huawei Technologies Co., Ltd.
- Qingqiu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless earphone
- Patent number 11,962,983
- Issue date Apr 16, 2024
- Huawei Technologies Co., Ltd.
- Qingqiu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic device
- Patent number 11,360,160
- Issue date Jun 14, 2022
- Huawei Technologies Co., Ltd.
- Qingqiu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Wireless Earphone
- Publication number 20220217466
- Publication date Jul 7, 2022
- Huawei Technologies Co., Ltd
- Qingqiu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless Headset and Headset Box
- Publication number 20220210535
- Publication date Jun 30, 2022
- Huawei Technologies Co., Ltd
- Qingqiu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC DEVICE
- Publication number 20200088810
- Publication date Mar 19, 2020
- Huawei Technologies Co., Ltd
- Qingqiu LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE