Ryoji Watanabe

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubrication boosting additives comprising organic titanium compound...
- Patent number 5,000,863
- Issue date Mar 19, 1991
- Violet Co., Ltd.
- Ryoji Watanabe
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubrication boosting additives and lubricating oil compositions com...
- Patent number 4,826,614
- Issue date May 2, 1989
- Violet Co., Ltd.
- Ryoji Watanabe
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...