Zhenwei Ma

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Material for making hyper frequency multi-layer chip inductors with...
- Patent number 6,761,839
- Issue date Jul 13, 2004
- Xiaohui Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Formula and preparation method for multi-layer chip inductor materi...
- Patent number 6,695,972
- Issue date Feb 24, 2004
- Tsinghua Tongfang Co., Ltd.
- Xiaohui Wang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Formula and preparation method for multi-layer chip inductor materi...
- Publication number 20030052298
- Publication date Mar 20, 2003
- Tsinghua Tongfang Co., Ltd.
- Xiaohui Wang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Material for making hyper frequency multi-layer chip inductors with...
- Publication number 20020108677
- Publication date Aug 15, 2002
- Xiaohui Wang
- C01 - INORGANIC CHEMISTRY