Koichiro Yamada

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Patents Grantslast 30 patents

Information Patent Grant
Fluid control valve, valve support member therefor and idling air a...
- Patent number 5,188,073
- Issue date Feb 23, 1993
- Hitachi Ltd.
- Yuki Ejiri
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Automotive engine idle speed control device
- Patent number 4,823,750
- Issue date Apr 25, 1989
- Hitachi, Ltd.
- Chiaki Niida
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Bearing support for turbochargers
- Patent number 4,560,325
- Issue date Dec 24, 1985
- Hitachi, Ltd.
- Masahiro Yoshioka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust bypass type turbo-charger
- Patent number 4,311,008
- Issue date Jan 19, 1982
- Hitachi, Ltd.
- Koichiro Yamada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust bypassing system for a turbocharger
- Patent number 4,211,081
- Issue date Jul 8, 1980
- Hitachi, Ltd.
- Koichiro Yamada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas recirculation mechanism for an engine with a turbocharger
- Patent number 4,206,606
- Issue date Jun 10, 1980
- Hitachi, Ltd.
- Koichiro Yamada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS