Akira Doi

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spherical casting sand
- Patent number 7,673,668
- Issue date Mar 9, 2010
- Kao Corporation
- Mikio Sakaguchi
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Spherical casting sand
- Publication number 20060005937
- Publication date Jan 12, 2006
- Mikio Sakaguchi
- B22 - CASTING POWDER METALLURGY