Tetsuo OKAWA

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating oil composition
- Patent number 9,157,046
- Issue date Oct 13, 2015
- Nippon Oil Corporation
- Kazuhiro Yagishita
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
LUBRICATING OIL COMPOSITION
- Publication number 20070225181
- Publication date Sep 27, 2007
- Nippon Oil Corporation
- Kazuhiro YAGISHITA
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...