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Asahiko Otani
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Mito, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High-pressure fuel pump control device and in-cylinder injection en...
Patent number
6,526,947
Issue date
Mar 4, 2003
Hitachi, Ltd.
Kosaku Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Stepping motor control apparatus
Patent number
6,034,500
Issue date
Mar 7, 2000
Hitachi, Ltd.
Mitsuru Nagase
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control system for internal combustion engine with enhancement of p...
Patent number
5,867,983
Issue date
Feb 9, 1999
Hitachi, Ltd.
Asahiko Otani
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and system for controlling ignition timing for internal comb...
Patent number
5,727,522
Issue date
Mar 17, 1998
Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd.
Asahiko Otani
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition timing control apparatus for an internal combustion engine
Patent number
RE34316
Issue date
Jul 20, 1993
Hitachi, Ltd.
Kozo Katogi
123 - Internal-combustion engines
Information
Patent Grant
Ignition timing control apparatus for an internal combustion engine
Patent number
4,913,116
Issue date
Apr 3, 1990
Hitachi, Ltd.
Kozo Katogi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
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Patent Application
High-presssure fuel pump control device and in-cylinder injection e...
Publication number
20010006061
Publication date
Jul 5, 2001
Hitachi, Ltd.
Kosaku Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS