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Kzunori Irifune
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Hitachinaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Motor-operated flow control valve and exhaust gas recirculation con...
Patent number
6,378,839
Issue date
Apr 30, 2002
Hitachi, Ltd.
Youichi Watanabe
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Motor-operated flow control valve and exhaust gas recirculation con...
Patent number
6,365,994
Issue date
Apr 2, 2002
Hitachi, Ltd.
Youichi Watanabe
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Motor-operated flow control valve and gas recirculation control val...
Patent number
6,193,211
Issue date
Feb 27, 2001
Hitachi, Ltd.
Youichi Watanabe
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Motor-operated flow control valve and exhaust gas recirculation con...
Patent number
6,089,536
Issue date
Jul 18, 2000
Hitachi, Ltd.
Youichi Watanabe
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Motor-operated flow control valve and exhaust gas recirculation con...
Publication number
20020148453
Publication date
Oct 17, 2002
Hitachi, Ltd.
Youichi Watanabe
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Motor-operated flow control valve and exhaust gas recirculation con...
Publication number
20020056822
Publication date
May 16, 2002
Hitachi, Ltd.
Youichi Watanabe
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Motor-operated flow control valve and exhaust gas recirculation con...
Publication number
20010037800
Publication date
Nov 8, 2001
Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd.
Youichi Watanabe
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS