Renchang Dai

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus, method and computer program product for tracking informa...
- Patent number 7,940,131
- Issue date May 10, 2011
- General Electric Company
- Haiqing Weng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protective circuit and method for multi-level converter
- Patent number 7,573,732
- Issue date Aug 11, 2009
- General Electric Company
- Ralph Teichmann
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Apparatus, method and computer program product for tracking informa...
- Patent number 7,456,695
- Issue date Nov 25, 2008
- General Electric Company
- Haiqing Weng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, apparatus and computer program product for injecting current
- Patent number 7,423,412
- Issue date Sep 9, 2008
- General Electric Company
- Haiqing Weng
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR TRACKING INFORMA...
- Publication number 20090015339
- Publication date Jan 15, 2009
- GENERAL ELECTRIC COMPANY
- Haiqing Weng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROTECTIVE CIRCUIT AND METHOD FOR MULTI-LEVEL CONVERTER
- Publication number 20080291708
- Publication date Nov 27, 2008
- GENERAL ELECTRIC COMPANY
- Ralph Teichmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method, apparatus and computer program product for injection current
- Publication number 20070177314
- Publication date Aug 2, 2007
- Haiqing Weng
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Apparatus, method and computer program product for tracking informa...
- Publication number 20070159265
- Publication date Jul 12, 2007
- Haiqing Weng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE