Chengzhang Han

Follow

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Circuit board and power conversion apparatus having circuit board
- Patent number 9,484,142
- Issue date Nov 1, 2016
- Huawei Technologies Co., Ltd.
- Quan Guo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit board and power conversion apparatus having circuit board
- Patent number 9,299,490
- Issue date Mar 29, 2016
- Huawei Technologies Co., Ltd.
- Quan Guo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CIRCUIT BOARD AND POWER CONVERSION APPARATUS HAVING CIRCUIT BOARD
- Publication number 20160163447
- Publication date Jun 9, 2016
- Huawei Technologies Co., Ltd
- Quan Guo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CIRCUIT BOARD AND POWER CONVERSION APPARATUS HAVING CIRCUIT BOARD
- Publication number 20140347825
- Publication date Nov 27, 2014
- Quan Guo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER