Inventor
MURASE TAKAO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “MURASE TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
30 patentsUS5763763AJun 9, 1998
Method and sensing device for measuring predetermined gas component in measurement gas
NGK INSULATORS LTD98 citations98
US4883947ANov 28, 1989
Resistance ceramic heater with mutually connected heat-generating conductors, and electrochemical element or oxygen analyzer using such ceramic heater
NGK INSULATORS LTD65 citations95
US4732663AMar 22, 1988
Oxygen sensor
NGK INSULATORS LTD26 citations93
US4668375AMay 26, 1987
Electric connection terminal for a sensor element utilizing ceramics
NGK INSULATORS LTD26 citations93
US4578174AMar 25, 1986
Oxygen sensor with heater
NGK INSULATORS LTD36 citations93
US4512871AApr 23, 1985
Oxygen sensor with heater
NGK INSULATORS LTD28 citations93
US6200445B1Mar 13, 2001
Sulfur dioxide gas sensor
NGK INSULATORS LTD25 citations92
US5236569AAug 17, 1993
Air/fuel ratio sensor having resistor for limiting leak current from pumping cell to sensing cell
NGK INSULATORS LTD40 citations92
US5780710AJul 14, 1998
Gas analyzer and method of calibrating said gas analyzer
NGK INSULATORS LTD54 citations91
US6254749B1Jul 3, 2001
Carbon monoxide gas sensor and measuring device using the same sensor
NGK INSULATORS LTD36 citations90
US5413683AMay 9, 1995
Oxygen sensing apparatus and method using electrochemical oxygen pumping action to provide reference gas
NGK INSULATORS LTD32 citations90
US6401522B1Jun 11, 2002
Gas analyzer and method of calibrating the same
NGK INSULATORS LTD14 citations82
US4591423AMay 27, 1986
Oxygen sensor
NGK INSULATORS LTD24 citations82
US4588494AMay 13, 1986
Oxygen sensor
NGK INSULATORS LTD22 citations82
US4528086AJul 9, 1985
Oxygen sensor with heater
NGK INSULATORS LTD21 citations82
US5173167ADec 22, 1992
Oxygen concentration sensor having sensing element with electrodes having minute cracks on surfaces thereof
NGK INSULATORS LTD21 citations81
US4717464AJan 5, 1988
Oxygen sensor
NGK INSULATORS LTD23 citations80
US6368479B1Apr 9, 2002
Carbon monoxide sensor, method for making the same, and method of using the same
NGK INSULATORS LTD13 citations74
US5602326AFeb 11, 1997
Apparatus and method for measuring concentrations of gas components
NGK INSULATORS LTD16 citations74
US4591422AMay 27, 1986
Electrochemical oxygen sensor
NGK INSULATORS LTD16 citations74
US5130002AJul 14, 1992
Method of processing oxygen concentration sensor by applying ac current, and the thus processed sensor
NGK INSULATORS LTD12 citations73
US11768169B2Sep 26, 2023
Ceramic heater, sensor element, and gas sensor
NGK INSULATORS LTD0 citations62
US10900920B2Jan 26, 2021
Gas sensor
NGK INSULATORS LTD0 citations62
US11567032B2Jan 31, 2023
Ceramic heater, sensor element, and gas sensor
NGK INSULATORS LTD0 citations59
US10775333B2Sep 15, 2020
Gas sensor
NGK INSULATORS LTD0 citations51
US10527578B2Jan 7, 2020
Ceramic heater, sensor element, and gas sensor
NGK INSULATORS LTD0 citations51
US10514349B2Dec 24, 2019
Gas sensor
NGK INSULATORS LTD0 citations51
US9989506B2Jun 5, 2018
Gas sensor and gas sensor manufacturing method
NGK INSULATORS LTD1 citations51
US10712307B2Jul 14, 2020
Ceramic heater, sensor element, and gas sensor
NGK INSULATORS LTD0 citations48
US10837937B2Nov 17, 2020
Ceramic heater, sensor element, and gas sensor
NGK INSULATORS LTD0 citations41