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Norikatsu Ishikawa
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Mishima, JP
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last 30 patents
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Patent Grant
Air-fuel ratio control device of an internal combustion engine
Patent number
4,432,324
Issue date
Feb 21, 1984
Toyota Jidosha Kogyo Kabushiki Kaisha
Norikatsu Ishikawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air-fuel ratio control device of an internal combustion engine
Patent number
4,383,512
Issue date
May 17, 1983
Toyota Jidosha Kogyo Kabushiki Kaisha
Norikatsu Ishikawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Cylinder head, ports, and piston configuration
Patent number
4,344,407
Issue date
Aug 17, 1982
Toyota Jidosha Kogyo Kabushiki Kaisha
Masami Konishi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Throttle valve opening controller
Patent number
4,343,277
Issue date
Aug 10, 1982
Toyota Jidosha Kogyo Kabushiki Kaisha
Hidemi Ohnaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air-fuel ratio control device of an internal combustion engine
Patent number
4,341,190
Issue date
Jul 27, 1982
Toyota Jidosha Kogyo Kabushiki Kaisha
Norikatsu Ishikawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Secondary air feeding device for an internal combustion engine
Patent number
4,165,611
Issue date
Aug 28, 1979
Toyota Jidosha Kogyo Kabushiki Kaisha
Norikatsu Ishikawa
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES