Masaaki Koga

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Yasugi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Casting aluminum alloy, cast compressor impeller comprising the all...
- Patent number 8,292,589
- Issue date Oct 23, 2012
- Hitachi Metals Precision, Ltd.
- Masaaki Koga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
CASTING ALUMINUM ALLOY, CAST COMPRESSOR IMPELLER COMPRISING THE ALL...
- Publication number 20090196762
- Publication date Aug 6, 2009
- HITACHI METALS PRECISION , LTD.
- Masaaki Koga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...