Zhidao WANG

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Shizuishan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tantalum powder and preparation method therefor
- Patent number 11,534,830
- Issue date Dec 27, 2022
- Ningxia Orient Tantalum Industry Co., Ltd.
- Haiyan Ma
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Valve metal particles uniformly containing nitrogen and the method...
- Patent number 8,238,078
- Issue date Aug 7, 2012
- Ningxia Orient Tantalum Industry Co., Ltd.
- Bin Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
TANTALUM POWDER AND PREPARATION METHOD THEREFOR
- Publication number 20210060654
- Publication date Mar 4, 2021
- Ningxia Orient Tantalum Industry Co., Ltd.
- Haiyan MA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
FLAKED TANTALUM POWDER AND PREPARATION METHOD THEREOF
- Publication number 20190308247
- Publication date Oct 10, 2019
- NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD.
- Xueqing CHEN
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Process For Preparing Tantalum Powders For Use In An Electrolytic C...
- Publication number 20170072462
- Publication date Mar 16, 2017
- Ningxia Orient Tantalum Industry Co., Ltd.
- Zhongxiang LI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
VALVE METAL PARTICLES UNIFORMLY CONTAINING NITROGEN AND THE METHOD...
- Publication number 20090180240
- Publication date Jul 16, 2009
- Bin LI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...