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Sigeo Tamaki
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Ibaraki, JP
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last 30 patents
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Patent Grant
Motor-driven throttle valve assembly
Patent number
RE34906
Issue date
Apr 18, 1995
Hitachi, Ltd.
Sigeo Tamaki
123 - Internal-combustion engines
Information
Patent Grant
Multiple throttle mechanism for internal combustion engines
Patent number
4,840,146
Issue date
Jun 20, 1989
Hitachi, Ltd.
Shozo Yanagisawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Motor-driven throttle valve assembly
Patent number
4,809,659
Issue date
Mar 7, 1989
Hitachi, Ltd.
Sigeo Tamaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fail-safe system for vehicle engine
Patent number
4,779,597
Issue date
Oct 25, 1988
Hitachi, Ltd.
Yutaka Takaku
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparatus for adjusting specific volume of intake air for engine
Patent number
4,712,531
Issue date
Dec 15, 1987
Hitachi, Ltd.
Isamu Ishizawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Idling return device for internal combustion engines
Patent number
4,660,518
Issue date
Apr 28, 1987
Hitachi, Ltd.
Sigeo Tamaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Accelerator pump for carburetor
Patent number
4,247,491
Issue date
Jan 27, 1981
Hitachi, Ltd.
Sigeo Tamaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Idling control apparatus for internal combustion engine
Patent number
4,245,608
Issue date
Jan 20, 1981
Hitachi, Ltd.
Sigeo Tamaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS