Inventor
KATO NOBUHIDE
JP91 patents
Patents
50 patentsUS6134883AOct 24, 2000
Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means
NGK INSULATORS LTD125 citations99
US5672811ASep 30, 1997
Method of measuring a gas component and sensing device for measuring the gas component
NGK INSULATORS LTD139 citations99
US5763763AJun 9, 1998
Method and sensing device for measuring predetermined gas component in measurement gas
NGK INSULATORS LTD98 citations98
US6355152B1Mar 12, 2002
Gas sensor and nitrogen oxide sensor
NGK INSULATORS LTD43 citations96
US6076393AJun 20, 2000
Method of measuring a gas component and sensing device for measuring the gas component
NGK INSULATORS LTD34 citations96
US6026640AFeb 22, 2000
Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means
NGK INSULATORS LTD45 citations96
US6017503AJan 25, 2000
Method of removing NOx from exhaust gases
NGK INSULATORS LTD50 citations96
US6012282AJan 11, 2000
Method for controlling engine exhaust gas system
NGK INSULATORS LTD78 citations96
US5953907ASep 21, 1999
Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means
NGK INSULATORS LTD86 citations96
US5879525AMar 9, 1999
Apparatus for measuring combustible gas component by burning component
NGK INSULATORS LTD56 citations96
US5866799AFeb 2, 1999
Method of measuring a gas component and sensing device for measuring the gas component
NGK INSULATORS LTD62 citations96
US4770760ASep 13, 1988
Electrochemical NOx sensor
NGK INSULATORS LTD106 citations96
US6419818B2Jul 16, 2002
NOx concentration-measuring method
NGK INSULATORS LTD15 citations93
US6344119B2Feb 5, 2002
Gas sensor
NGK INSULATORS LTD25 citations93
US6280588B1Aug 28, 2001
NOx-decomposing electrode and NOx concentration-measuring apparatus
NGK INSULATORS LTD27 citations93
US6196053B1Mar 6, 2001
Method of measuring a gas component and sensing device for measuring the gas component
NGK INSULATORS LTD28 citations93
US6045673AApr 4, 2000
Gas sensor
NGK INSULATORS LTD27 citations93
US5997707ADec 7, 1999
Oxide sensor
NGK INSULATORS LTD21 citations93
US5942190AAug 24, 1999
Oxide sensor
NGK INSULATORS LTD38 citations93
US5939615AAug 17, 1999
Method of measuring a gas component and sensing device for measuring the gas component
NGK INSULATORS LTD22 citations93
US5902469AMay 11, 1999
Gas sensor
NGK INSULATORS LTD29 citations93
US5893968AApr 13, 1999
Method and apparatus for measuring combustible gas component by burning the component
NGK INSULATORS LTD26 citations93
US5877406AMar 2, 1999
NOx sensor and method of measuring NOx
NGK INSULATORS LTD25 citations93
US5844122ADec 1, 1998
Sensor with output correcting function
NGK INSULATORS LTD22 citations93
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
US6623618B1Sep 23, 2003
Gas sensor and method for controlling the same
NGK INSULATORS LTD20 citations92
US6455009B1Sep 24, 2002
System for removing NOx from exhaust gases
NGK INSULATORS LTD33 citations92
US6348141B1Feb 19, 2002
Gas sensor
NGK INSULATORS LTD49 citations92
US6290829B1Sep 18, 2001
Gas sensor
NGK INSULATORS LTD44 citations92
US6287439B1Sep 11, 2001
Gas sensor
NGK INSULATORS LTD49 citations92
US6284112B1Sep 4, 2001
Gas sensor
NGK INSULATORS LTD35 citations92
US6120663ASep 19, 2000
Gas sensor
NGK INSULATORS LTD37 citations92
US6083370AJul 4, 2000
Gas sensor
NGK INSULATORS LTD25 citations92
US6059947AMay 9, 2000
Gas sensor
NGK INSULATORS LTD28 citations92
US6036841AMar 14, 2000
Method for measuring nitrogen oxide
NGK INSULATORS LTD46 citations92
US5948963ASep 7, 1999
Gas sensor
NGK INSULATORS LTD44 citations92
US5928494AJul 27, 1999
Gas sensor and method of measuring quantity of specific compounds in measuring gas
NGK INSULATORS LTD26 citations92
US5922287AJul 13, 1999
Combustible gas sensor and method for detecting deterioration of catalyst
NGK INSULATORS LTD36 citations92
US5823680AOct 20, 1998
Temperature sensor
NGK INSULATORS LTD53 citations92
US5238552AAug 24, 1993
Oxygen sensor
NGK INSULATORS LTD29 citations92
US5039972AAug 13, 1991
Oxygen sensor
NGK INSULATORS LTD32 citations92
US5031445AJul 16, 1991
Waterproof type oxygen sensor
NGK INSULATORS LTD26 citations92
US4983271AJan 8, 1991
Oxygen sensor
NGK INSULATORS LTD26 citations92
US4948491AAug 14, 1990
Oxygen sensor
NGK INSULATORS LTD23 citations92
US4909922AMar 20, 1990
Heater-built-in oxygen sensor
NGK INSULATORS LTD35 citations92
US4863583ASep 5, 1989
Electrode structure of an oxygen sensing element
NGK INSULATORS LTD49 citations92
US4943330AJul 24, 1990
Method of manufacturing an electrochemical device
NGK INSULATORS LTD26 citations91
Showing the top 50 of 91 patents by PatentIndex Score.