Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Deterioration diagnosis system for an air-fuel ratio sensor

Deterioration diagnosis system for an air-fuel ratio sensor

US Patent 7836758 · Granted Nov 23, 2010

Estimated economic value: $82,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Diagnostic apparatus and diagnostic method for rotational angle sensor, and cont2025
Control device for variable compression ratio mechanism, and diagnostic method f2025
Electronic control device and combustion state detection system2025
Solenoid valve control device2024
Control device for high-pressure fuel pump2023
Internal-combustion-engine control device and internal-combustion-engine control2023
Internal combustion engine control device and internal combustion engine control2022
Internal-combustion engine control device2022
Electromagnetic valve control unit and internal combustion engine control device2022
Control device for internal combustion engine2021
Drive device for fuel injection device, and fuel injection system2021
Drive device for fuel injection devices2020