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Yoshihiko Hirata
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Kariya, JP
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last 30 patents
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Patent Grant
Malfunction diagnosis device for engine speed controller
Patent number
5,701,866
Issue date
Dec 30, 1997
Denso Corporation
Yasuo Sagisaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Temperature predicting system for internal combustion engine and te...
Patent number
5,544,639
Issue date
Aug 13, 1996
Nippondenso Co., Ltd.
Hirofumi Shouda
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System for detecting combustion state in internal combustion engine
Patent number
5,339,245
Issue date
Aug 16, 1994
Nippondenso Co., Ltd.
Yoshihiko Hirata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Knock control system for internal combustion engine
Patent number
4,993,387
Issue date
Feb 19, 1991
Nippondenso Co., Ltd.
Koji Sakakibara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS