Lizhen Zhang

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of eliminating background noise and a device using the same
- Patent number 8,510,106
- Issue date Aug 13, 2013
- BYD Company Ltd.
- Hai Li
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Type of charge pump apparatus and power source circuit
- Patent number 7,808,302
- Issue date Oct 5, 2010
- BYD Company Limited
- Kunping Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Method of Eliminating Background Noise and a Device Using the Same
- Publication number 20100262424
- Publication date Oct 14, 2010
- Hai Li
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Type of Charge Pump Apparatus and Power Source Circuit
- Publication number 20080284498
- Publication date Nov 20, 2008
- BYD COMPANY LIMITED
- Kunping Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER