Inventor
HOSHI KOUICHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “HOSHI KOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
8 patentsUS5088281AFeb 18, 1992
Method and apparatus for determining deterioration of three-way catalysts in double air-fuel ratio sensor system
TOYOTA MOTOR CO LTD111 citations95
US5214267AMay 25, 1993
Apparatus for controlling heater for heating oxygen sensor
TOYOTA MOTOR CO LTD42 citations92
US4938196AJul 3, 1990
Control device for heater for oxygen sensor operative to correct target resistance with reference to standard power supply thereto
TOYOTA MOTOR CO LTD53 citations90
US4981122AJan 1, 1991
Fuel injection control device of an engine
TOYOTA MOTOR CO LTD7 citations73
US4976242ADec 11, 1990
Fuel injection control device of an engine
TOYOTA MOTOR CO LTD7 citations73
US4732128AMar 22, 1988
Method and apparatus for controlling heater for heatng air-fuel ratio sensor
TOYOTA MOTOR CO LTD12 citations73
US4991559AFeb 12, 1991
Fuel injection control device of an engine
TOYOTA MOTOR CO LTD8 citations71
US5018494AMay 28, 1991
Idling speed control device of an engine
TOYOTA MOTOR CO LTD4 citations62