Heling ZHANG

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Filter apparatus and power supply system
- Patent number 10,447,225
- Issue date Oct 15, 2019
- Huawei Technologies Co., Ltd.
- Changsheng Pei
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
FILTER APPARATUS AND POWER SUPPLY SYSTEM
- Publication number 20180048223
- Publication date Feb 15, 2018
- Huawei Technologies Co., Ltd
- Changsheng PEI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER