Qikang Chen

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Input detecting circuit used for electric-leakage protection device...
- Patent number 7,598,754
- Issue date Oct 6, 2009
- Shanghai Fudan Microelectronics Co., Ltd.
- Jun Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
INPUT DETECTING CIRCUIT USED FOR ELECTRIC-LEAKAGE PROTECTION DEVICE...
- Publication number 20080048667
- Publication date Feb 28, 2008
- SHANGHAI FUDAN MICROELECTRONICS CO., LTD.
- Jun YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER