Noriko Watanabe

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
System for purifying exhaust gas for use in an automobile
- Patent number 5,937,637
- Issue date Aug 17, 1999
- Hitachi, Ltd.
- Masakatsu Fujishita
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus for controlling internal combustion engine
- Patent number 5,577,383
- Issue date Nov 26, 1996
- Hitachi, Ltd.
- Osamu Kuroda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System for purifying exhaust gas for use in an automobile
- Patent number 5,560,201
- Issue date Oct 1, 1996
- Hitachi, Ltd.
- Masakatsu Fujishita
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas purifying apparatus and method for internal combustion...
- Patent number 5,517,820
- Issue date May 21, 1996
- Hitachi, Ltd.
- Osamu Kuroda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System for purifying exhaust gas for use in an automobile
- Patent number 5,388,405
- Issue date Feb 14, 1995
- Hitachi, Ltd.
- Masakatsu Fujishita
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of catalytic combustion using heat-resistant catalyst
- Patent number 4,793,797
- Issue date Dec 27, 1988
- Hitachi, Ltd.
- Akira Kato
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL