Masanori Oka

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of hardening surface of metallic part, piston, cylinder head...
- Patent number 8,152,942
- Issue date Apr 10, 2012
- Yanmar Co., Ltd.
- Tomoya Ogino
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
NODULAR GRAPHITE CAST IRON FOR PISTONS, ONE-PIECE PISTON, AND MARIN...
- Publication number 20170218488
- Publication date Aug 3, 2017
- YAMAR CO., LTD.
- Takuya ANJIKI
- C21 - METALLURGY OF IRON
Information Patent Application
Method of Hardening Surface of Metallic Part, Piston, Cylinder Head...
- Publication number 20090255504
- Publication date Oct 15, 2009
- Tomoya Ogino
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR