Itsuo Ohnaka

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Toyonaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
High vacuum suction casting method and apparatus
- Patent number 8,286,690
- Issue date Oct 16, 2012
- IE Solution Corporation
- Itsuo Ohnaka
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
High vacuum suction casting method and apparatus
- Publication number 20090321036
- Publication date Dec 31, 2009
- IE SOLUTION CORPORATION
- Itsuo Ohnaka
- B22 - CASTING POWDER METALLURGY