Aiguo Zheng

Person

Shizuishan City, Ningxia, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Composite tantalum powder and process for preparing the same and ca...
- Patent number 10,737,322
- Issue date Aug 11, 2020
- Ningzia Orient Tanatum Industry Co., Ltd.
- Guoqi Yang
- B22 - CASTING POWDER METALLURGY
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...
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...
Information Patent Grant
Methods for spherically granulating and agglomerating metal particl...
- Patent number 7,666,247
- Issue date Feb 23, 2010
- Ningxia Orient Tantalum Industry Co., Ltd.
- Jilin He
- B22 - CASTING POWDER METALLURGY

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...
Information Patent Application
METHOD FOR PASSIVATING TANTALUM METAL SURFACE AND APPARATUS THEREOF
- Publication number 20140076462
- Publication date Mar 20, 2014
- Ningxia Orient Tantalum Industry Co., Ltd.
- Aiguo Zheng
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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...
Information Patent Application
METHODS FOR SPHERICALLY GRANULATING AND AGGLOMERATING METAL PARTICL...
- Publication number 20070193409
- Publication date Aug 23, 2007
- Ningxia Orient Tantalum Industry Co., Ltd.
- Jilin He
- B22 - CASTING POWDER METALLURGY

Aiguo Zheng

Person

Patents Grantslast 30 patents

Composite tantalum powder and process for preparing the same and ca...

High specific capacitance capacitor-grade tantalum powder with impr...

Method for preparing tantalum powder of capacitor grade with high n...

Valve metal particles uniformly containing nitrogen and the method...

Methods for spherically granulating and agglomerating metal particl...

Patents Applicationslast 30 patents

COMPOSITE TANTALUM POWDER AND PROCESS FOR PREPARING THE SAME AND CA...

HIGH SPECIFIC CAPACITANCE CAPACITOR-GRADE TANTALUM POWDER WITH IMPR...

METHOD FOR PREPARING TANTALUM POWDER OF CAPACITOR GRADE WITH HIGH N...

METHOD FOR PASSIVATING TANTALUM METAL SURFACE AND APPARATUS THEREOF

VALVE METAL PARTICLES UNIFORMLY CONTAINING NITROGEN AND THE METHOD...

METHODS FOR SPHERICALLY GRANULATING AND AGGLOMERATING METAL PARTICL...