NATIONAL ENGINEERING RESEARCH CENTER FOR SPECIAL METAL MATERIALS OF TANTALUM AND NIOBIUM.

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SHIZUISHAN CITY, Ningxia, CN

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Patents Grantslast 30 patents

Information Patent Grant
High specific capacitance capacitor-grade tantalum powder with impr...
- Patent number 10,074,486
- Issue date Sep 11, 2018
- Ningxia Orient Tantalum Industry Co., Ltd.
- Guoqi Yang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for preparing tantalum powder of capacitor grade with high n...
- Patent number 9,764,388
- Issue date Sep 19, 2017
- Ningxia Orient Tantalum Industry Co., Ltd.
- Guoqi Yang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE TANTALUM POWDER AND PROCESS FOR PREPARING THE SAME AND CA...
- Publication number 20170232509
- Publication date Aug 17, 2017
- NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD.
- GUOQI YANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGH SPECIFIC CAPACITANCE CAPACITOR-GRADE TANTALUM POWDER WITH IMPR...
- Publication number 20160314904
- Publication date Oct 27, 2016
- Ningxia Orient Tantalum Industry Co., Ltd.
- Guoqi YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PREPARING TANTALUM POWDER OF CAPACITOR GRADE WITH HIGH N...
- Publication number 20160059319
- Publication date Mar 3, 2016
- Ningxia Orient Tantalum Industry Co., Ltd.
- Guoqi YANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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