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Fumio Yukawa
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Kanagawa, JP
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last 30 patents
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Patent Grant
Air-fuel ratio control system for internal combustion engine
Patent number
5,623,824
Issue date
Apr 29, 1997
Nissan Motor Co., Ltd.
Fumio Yukawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System and method for controlling air/fuel mixture ratio for intern...
Patent number
5,050,083
Issue date
Sep 17, 1991
Nissan Motor Company, Limited
Masaaki Uchida
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Gas sensor element using porously fired mass of titania
Patent number
4,786,476
Issue date
Nov 22, 1988
Nissan Motor Co., Ltd.
Fumio Munakata
G01 - MEASURING TESTING
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Patent Grant
Air/fuel ratio sensor having oxygen sensor cell and oxygen pump cell
Patent number
4,772,376
Issue date
Sep 20, 1988
Nissan Motor Co., Ltd.
Fumio Yukawa
G01 - MEASURING TESTING