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Masayoshi Hayasaka
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Hitachinaka, JP
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last 30 patents
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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
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Patent Grant
Internal combustion engine controller
Patent number
5,685,285
Issue date
Nov 11, 1997
Hitachi, Ltd.
Asahiko Ohtani
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS