P

Inventor

KATSUNO TOSHIYASU

JP24 patents
⚠️ This page may combine multiple inventors who share the name “KATSUNO TOSHIYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

19 patents
US5035358AJul 30, 1991

Fuel injector for use in an engine

TOYOTA MOTOR CO LTD95 citations96
US4739614AApr 26, 1988

Double air-fuel ratio sensor system in internal combustion engine

TOYOTA MOTOR CO LTD70 citations96
US4831838AMay 23, 1989

Double air-fuel ratio sensor system carrying out learning control operation

TOYOTA MOTOR CO LTD54 citations92
US4707984ANov 24, 1987

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD26 citations92
US4905654AMar 6, 1990

Device for controlling an internal combustion engine

TOYOTA MOTOR CO LTD21 citations82
US4707985ANov 24, 1987

Double air-fuel ratio sensor system carrying out learning control operation

TOYOTA MOTOR CO LTD23 citations82
US4693076ASep 15, 1987

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD24 citations82
US4924837AMay 15, 1990

Internal combustion engine having electric controlled fuel injection with oxygen sensor for detecting intake air amount

TOYOTA MOTOR CO LTD13 citations74
US4819427AApr 11, 1989

Double air-fuel ratio sensor system having improved exhaust emission characteristics

TOYOTA MOTOR CO LTD8 citations74
US4779414AOct 25, 1988

Double air-fuel ratio sensor system carrying out learning control operation

TOYOTA MOTOR CO LTD19 citations74
US4747265AMay 31, 1988

Double air-fuel ratio sensor system having improved exhaust emission characteristics

TOYOTA MOTOR CO LTD12 citations74
US4745741AMay 24, 1988

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD19 citations74
US4729219AMar 8, 1988

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD13 citations74
US4723408AFeb 9, 1988

Double air-fuel ratio sensor system carrying out learning control operation

TOYOTA MOTOR CO LTD10 citations74
US4720973AJan 26, 1988

Double air-fuel ratio sensor system having double-skip function

TOYOTA MOTOR CO LTD13 citations74
US4703619ANov 3, 1987

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD8 citations74
US4761950AAug 9, 1988

Double air-fuel ratio sensor system carrying out learning control operation

TOYOTA MOTOR CO LTD17 citations73
US4712373ADec 15, 1987

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD11 citations73
US9859646B2Jan 2, 2018

Electrical connector and method for mounting electrical connector on circuit board

TOYOTA MOTOR CO LTD2 citations72

AISIN SEIKI

4 patents

KATSUNO TOSHIYASU

1 patent