Yasuhiro Nakagawa

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for supplying a lubricating oil composition
- Patent number 5,094,764
- Issue date Mar 10, 1992
- Kao Soap Co., Ltd.
- Hiroshi Kuwamoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating oil composition and method for supplying same
- Patent number 4,985,158
- Issue date Jan 15, 1991
- Kao Corporation
- Hiroshi Kuwamoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating oil useful in the rolling of metal and a method for sup...
- Patent number 4,970,011
- Issue date Nov 13, 1990
- Kao Soap Company, Ltd.
- Hiroshi Kuwamoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Metal rolling oil composition
- Patent number 4,693,839
- Issue date Sep 15, 1987
- Kao Corporation
- Hiroshi Kuwamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...