Tadashi KOMEYA

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for production of niobium and tantalum powder
- Patent number 8,801,829
- Issue date Aug 12, 2014
- H. C. Starck GmbH & Co. KG
- Helmut Haas
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for the production of niobium and tantalum powder
- Patent number 7,824,463
- Issue date Nov 2, 2010
- H.C. Starck GmbH
- Helmut Haas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCTION OF NIOBIUM AND TANTALUM POWDER
- Publication number 20110067527
- Publication date Mar 24, 2011
- H.C. Starck GmbH
- Helmut HAAS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...