Osamu TANAKA

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Maebashi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing piston for internal-combustion engine
- Patent number 8,240,039
- Issue date Aug 14, 2012
- Riken Forge Co., Ltd
- Atsushi Kondoh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING PISTON FOR INTERNAL-COMBUSTION ENGINE
- Publication number 20090071001
- Publication date Mar 19, 2009
- RIKEN FORGE CO., LTD.
- Atsushi KONDOH
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR