Inventor
MATSUURA TOSHITAKA
JP16 patents
Patents
16 patentsUS6344134B1Feb 5, 2002
Method for measuring NOx concentration and NOx concentration sensor
NGK SPARK PLUG CO37 citations92
US4958514ASep 25, 1990
Gas sensing element
NGK SPARK PLUG CO37 citations92
US4660407AApr 28, 1987
Gas sensor
NGK SPARK PLUG CO40 citations92
US4688015AAug 18, 1987
Gas sensor with ceramics substrate having surface-carried ceramics particles
NGK SPARK PLUG CO22 citations82
US4720394AJan 19, 1988
Gas sensor with ceramics substrate and method for producing the same
NGK SPARK PLUG CO14 citations74
US4322968AApr 6, 1982
Temperature compensated plug-in type oxygen detector for exhaust gas
NGK SPARK PLUG CO16 citations74
US4288774ASep 8, 1981
Gas detector
NGK SPARK PLUG CO10 citations74
US4656863AApr 14, 1987
Gas sensor
NGK SPARK PLUG CO9 citations73
US4596132AJun 24, 1986
Gas component detecting plug
NGK SPARK PLUG CO11 citations73
US4857275AAug 15, 1989
Thick-film gas-sensitive element
NGK SPARK PLUG CO12 citations72
US4825683AMay 2, 1989
Apparatus for evaluating an oxygen sensor
NGK SPARK PLUG CO8 citations72
US4620437ANov 4, 1986
Gas sensor
NGK SPARK PLUG CO11 citations72
US4532179AJul 30, 1985
Metal-ceramic bonded material
NGK SPARK PLUG CO15 citations72
US4652849AMar 24, 1987
Gas sensor
NGK SPARK PLUG CO8 citations69
US4909066AMar 20, 1990
Thick-film gas sensor of a laminar structure and a method of producing the same
NGK SPARK PLUG CO4 citations62
US5202154AApr 13, 1993
Method of producing thick-film gas sensor element having improved stability
NGK SPARK PLUG CO6 citations61