Hiroaki Tokita

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Patents Grantslast 30 patents

Information Patent Grant
Collected sand processing method
- Patent number 6,712,119
- Issue date Mar 30, 2004
- Sintokogio, Ltd.
- Shigeaki Yamamoto
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Collected sand processing method
- Publication number 20030037899
- Publication date Feb 27, 2003
- Shigeaki Yamamoto
- B22 - CASTING POWDER METALLURGY