Ryou Yamada

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricant composition for internal combustion engine
- Patent number 8,637,438
- Issue date Jan 28, 2014
- Idemitsu Kosan Co., Ltd.
- Ryou Yamada
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating oil composition
- Patent number 5,807,813
- Issue date Sep 15, 1998
- Idemitsu Kosan Co., Ltd.
- Ryou 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 ENGINES
- Publication number 20130029892
- Publication date Jan 31, 2013
- Idemitsu Kosan Co., Ltd.
- Ryou Yamada
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICANT COMPOSITION AND SLIDING MECHANISM USING THE LUBRICANT COM...
- Publication number 20120177915
- Publication date Jul 12, 2012
- NIPPON ITF INC.
- Moritsugu Kasai
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICANT COMPOSITION
- Publication number 20120172266
- Publication date Jul 5, 2012
- NIPPON ITF INC.
- Moritsugu Kasai
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICANT COMPOSITION
- Publication number 20090312211
- Publication date Dec 17, 2009
- IDEMITSU KOSAN CO., LTD.
- Ryou Yamada
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICANT COMPOSITION FOR INTERNAL COMBUSTION ENGINE
- Publication number 20090181872
- Publication date Jul 16, 2009
- Idemitsu Kosan Co., Ltd.
- Ryou Yamada
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...