Hirotsugu Takahama

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Neck portion grinding apparatus and grinding device employed in the...
- Patent number 8,257,144
- Issue date Sep 4, 2012
- OSG Corporation
- Wataru Aoki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Neck Portion Grinding Apparatus, Grinding Device Employed in the Ne...
- Publication number 20090275263
- Publication date Nov 5, 2009
- Wataru Aoki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR