Yasuhisa Yamada

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Engine oil composition
- Patent number 5,744,430
- Issue date Apr 28, 1998
- Nippon Oil Co., Ltd.
- Kiyoshi Inoue
- 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 20040176260
- Publication date Sep 9, 2004
- NIPPON OIL CORPORATION
- Shinichi Shirahama
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...