Inventor

ICHIKAWA DAICHI

JP9 patents

Patents

9 patents

US12366565B2Jul 22, 2025

Gas sensor and method of diagnosing moisture absorption state of gas sensor

NGK INSULATORS LTD2 citations71

US12140579B2Nov 12, 2024

Gas sensor and gas sensor operation control method

NGK INSULATORS LTD0 citations61

US11531014B2Dec 20, 2022

Gas sensor and gas sensor operation control method

NGK INSULATORS LTD1 citations61

US12590919B2Mar 31, 2026

Gas sensor element and gas sensor

NGK INSULATORS LTD0 citations50

US12553859B2Feb 17, 2026

Gas sensor and control method of gas sensor

NGK INSULATORS LTD0 citations50

US12546742B2Feb 10, 2026

Gas sensor

NGK INSULATORS LTD0 citations50

US11668670B2Jun 6, 2023

Gas sensor

NGK INSULATORS LTD0 citations50

US11567034B2Jan 31, 2023

Gas sensor set and method of measuring concentrations of a plurality of target components within a gas to be measured

NGK INSULATORS LTD0 citations47

US12560573B2Feb 24, 2026

Gas sensor and control method of gas sensor

NGK INSULATORS LTD0 citations45