Michiya Yamada

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating oil composition
- Patent number 6,855,675
- Issue date Feb 15, 2005
- TonenGeneral Sekiyu K.K.
- Michiya Yamada
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating oil composition
- Patent number 5,719,109
- Issue date Feb 17, 1998
- Exxon Chemical Patents Inc.
- Michide Tokashiki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...