Chang Cao

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sensing screen, control circuit and control method thereof, and sen...
- Patent number 11,199,917
- Issue date Dec 14, 2021
- Huawei Technologies Co., Ltd.
- Hua Cai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sensing screen, control circuit and control method thereof, and sen...
- Patent number 10,530,040
- Issue date Jan 7, 2020
- Huawei Technologies Co., Ltd.
- Hua Cai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Array antenna
- Patent number 9,893,433
- Issue date Feb 13, 2018
- Huawei Technologies Co., Ltd.
- Chang Cao
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SENSING SCREEN, CONTROL CIRCUIT AND CONTROL METHOD THEREOF, AND SEN...
- Publication number 20200083595
- Publication date Mar 12, 2020
- Huawei Technologies Co., Ltd
- Hua CAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SENSING SCREEN, CONTROL CIRCUIT AND CONTROL METHOD THEREOF, AND SEN...
- Publication number 20170093023
- Publication date Mar 30, 2017
- Huawei Technologies Co.,Ltd.
- Hua Cai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Array Antenna
- Publication number 20160301143
- Publication date Oct 13, 2016
- Huawei Technologies Co., Ltd
- Chang Cao
- H01 - BASIC ELECTRIC ELEMENTS