Inventor
OI YUJI
JP7 patents
Patents
7 patentsUS6120677ASep 19, 2000
Temperature control for all range oxygen sensor
NGK SPARK PLUG CO47 citations92
US6099717AAug 8, 2000
Method of and apparatus for detecting a deteriorated condition of a wide range air-fuel ratio sensor
NGK SPARK PLUG CO28 citations92
US7573275B2Aug 11, 2009
Temperature sensor control apparatus
NGK SPARK PLUG CO13 citations83
US5976350ANov 2, 1999
Method of and apparatus for detecting an activated condition of a wide range air-fuel ratio sensor
NGK SPARK PLUG CO12 citations73
US7416649B2Aug 26, 2008
Oxygen concentration detection system and vehicle control system having the same
NGK SPARK PLUG CO6 citations61
US12174139B2Dec 24, 2024
Gas sensor control device, gas sensor control system, and gas sensor system
NGK SPARK PLUG CO0 citations50
US12163917B2Dec 10, 2024
Sensor system, and sensor system failure detecting method
NGK SPARK PLUG CO0 citations47