Hidehiko Matsuya

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Amine-functionalized polymers
- Patent number 6,025,308
- Issue date Feb 15, 2000
- R. T. Vanderbilt Company, Inc.
- Hidehiko Matsuya
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Viscosity index improver, engine lubricant composition, and concent...
- Patent number 5,891,831
- Issue date Apr 6, 1999
- Sanyo Chemical Industries, Ltd.
- Hidehiko Matsuya
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating oil compositions of reduced high-temperature high-shear...
- Patent number 5,763,374
- Issue date Jun 9, 1998
- Sanyo Chemical Industries, Ltd.
- Kouzou Sakai
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Viscosity index improver and lubricating oil
- Patent number 5,622,924
- Issue date Apr 22, 1997
- Sanyo Chemical Industries, Ltd.
- Kouzou Sakai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS