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Kizuku Otsubo
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Kokubunji, JP
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last 30 patents
Information
Patent Grant
Auxiliary air regulator for internal combustion engine
Patent number
4,311,129
Issue date
Jan 19, 1982
Nissan Motor Co. Limited
Tadao Kakizaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas recirculation control system
Patent number
4,137,874
Issue date
Feb 6, 1979
Nissan Motor Company, Limited
Kizuku Otsubo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Dual spark-plug ignition internal combustion engine with improved c...
Patent number
4,133,331
Issue date
Jan 9, 1979
Nissan Motor Company, Ltd.
Kizuku Otsubo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition timing control system
Patent number
4,125,096
Issue date
Nov 14, 1978
Nissan Motor Company, Limited
Kizuku Otsubo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Dual spark-ignition internal combustion engine
Patent number
4,116,179
Issue date
Sep 26, 1978
Nissan Motor Company, Limited
Shin-ichi Nagumo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS