Ryo Yamada

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating oil composition for internal combustion engine
- Patent number 8,445,418
- Issue date May 21, 2013
- Idemitsu Kosan Co., Ltd.
- Ryo Yamada
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE
- Publication number 20110166053
- Publication date Jul 7, 2011
- Idemitsu Kosan Co., Ltd.
- Ryo Yamada
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...