Tongchun Zhao

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Compound magnetic powder and magnetic powder cores, and methods for...
- Patent number 8,048,191
- Issue date Nov 1, 2011
- Advanced Technology & Material Co., Ltd.
- Zhichao Lu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
COMPOUND MAGNETIC POWDER AND MAGNETIC POWDER CORES, AND METHODS FOR...
- Publication number 20100031773
- Publication date Feb 11, 2010
- Zhichao Lu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COMPOUND MAGNETIC POWDER AND MAGNETIC POWDER CORES, AND METHODS FOR...
- Publication number 20100034687
- Publication date Feb 11, 2010
- Zhichao Lu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COMPOUND MAGNETIC POWDER AND MAGNETIC POWDER CORES, AND METHODS FOR...
- Publication number 20070144614
- Publication date Jun 28, 2007
- Zhichao Lu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...