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Tadahiko Otani
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Katsuta, JP
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last 30 patents
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Patent Grant
Air-fuel ratio controlling method and apparatus for an internal com...
Patent number
4,681,077
Issue date
Jul 21, 1987
Hitachi, Ltd.
Haruhiko Kobayashi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air flow rate measuring apparatus
Patent number
4,517,837
Issue date
May 21, 1985
Hitachi, Ltd.
Yoshishige Oyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air flow rate measuring device
Patent number
4,395,907
Issue date
Aug 2, 1983
Hitachi, Ltd.
Kiyomi Morita
G01 - MEASURING TESTING
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Patent Grant
Altitude compensating device for carburetors
Patent number
4,292,258
Issue date
Sep 29, 1981
Hitachi, Ltd.
Shoichiro Sakurai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS