Kouji KUNITAKE

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Assembly of internal combustion engine valve and valve seat
- Patent number 10,287,933
- Issue date May 14, 2019
- Nippon Piston Ring Co., Ltd.
- Satoshi Ikemi
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
ASSEMBLY OF INTERNAL COMBUSTION ENGINE VALVE AND VALVE SEAT
- Publication number 20160326919
- Publication date Nov 10, 2016
- NIPPON PISTON RING CO., LTD.
- Satoshi IKEMI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...