Inventor
MIYATA SHIGERU
JP40 patents
Patents
40 patentsUS6214207B1Apr 10, 2001
Method and apparatus for measuring oxygen concentration and nitrogen oxide concentration
NGK SPARK PLUG CO78 citations96
US4770129ASep 13, 1988
Sensor for mixing ratio of gasoline and alcohol
NGK SPARK PLUG CO49 citations96
US4884066ANov 28, 1989
Deterioration detector system for catalyst in use for emission gas purifier
NGK SPARK PLUG CO82 citations95
US6224727B1May 1, 2001
NOx sensor
NGK SPARK PLUG CO32 citations93
US5365910ANov 22, 1994
Misfire detector for use in internal combustion engine
NGK SPARK PLUG CO21 citations93
US6533921B2Mar 18, 2003
Apparatus for detecting concentration of nitrogen oxide
NGK SPARK PLUG CO21 citations92
US6228252B1May 8, 2001
Apparatus for detecting concentration of nitrogen oxide
NGK SPARK PLUG CO30 citations92
US6222368B1Apr 24, 2001
Ion current detection apparatus
NGK SPARK PLUG CO33 citations92
US5503132AApr 2, 1996
Device for detecting misfire of internal combustion engine equipped with double-ended distributorless ignition system
NGK SPARK PLUG CO30 citations91
US6309536B1Oct 30, 2001
Method and apparatus for detecting a functional condition on an NOx occlusion catalyst
NGK SPARK PLUG CO35 citations89
US4765880AAug 23, 1988
Air/fuel ratio sensor
NGK SPARK PLUG CO38 citations89
US5895564AApr 20, 1999
Method and a device for controlling an air/fuel ratio sensor
NGK SPARK PLUG CO17 citations84
US7462266B2Dec 9, 2008
Apparatus for detecting concentration of nitrogen oxide
NGK SPARK PLUG CO8 citations74
US5754051AMay 19, 1998
Misfire detecting device
NGK SPARK PLUG CO6 citations74
US5592926AJan 14, 1997
Method of detecting misfire of engine ignition system and device for carrying out the same
NGK SPARK PLUG CO10 citations74
US5543716AAug 6, 1996
Sparkplug voltage probe for use with an internal combustion engine by clamping sparkplug cables with an insulation base
NGK SPARK PLUG CO5 citations74
US5477148ADec 19, 1995
Spark plug voltage probe device for use in an internal combustion engine
NGK SPARK PLUG CO9 citations74
US5453694ASep 26, 1995
Snap-in type sparkplug voltage probe device for use in internal combustion engine
NGK SPARK PLUG CO6 citations74
US5400760AMar 28, 1995
Misfire detector device for internal combustion engine
NGK SPARK PLUG CO14 citations74
US5347856ASep 20, 1994
Misfire detector device for use in an internal combustion engine
NGK SPARK PLUG CO10 citations74
US5347855ASep 20, 1994
Misfire detector device for use in an internal combustion engine
NGK SPARK PLUG CO18 citations74
US5317267AMay 31, 1994
Spark plug voltage probe for use with an internal combustion engine
NGK SPARK PLUG CO14 citations74
US5313849AMay 24, 1994
Device for temporarily holding pressure sensor in place within spark plug attaching hole of cylinder head
NGK SPARK PLUG CO14 citations74
US5269282ADec 14, 1993
Misfire detector for use in internal combustion engine
NGK SPARK PLUG CO15 citations74
US5253627AOct 19, 1993
Burning condition detecting device and burning control device in an internal combustion engine
NGK SPARK PLUG CO7 citations74
US5048952ASep 17, 1991
Liquid mixing ratio sensor
NGK SPARK PLUG CO19 citations74
US4895444AJan 23, 1990
Detector device for mixing ratio for gasoline and alcohol or the like
NGK SPARK PLUG CO10 citations74
US4824244AApr 25, 1989
Sensor for mixing ratio of gasoline and alcohol or the like
NGK SPARK PLUG CO7 citations74
US5294888AMar 15, 1994
Device for detecting misfire of an internal combustion engine by comparing voltage waveforms associated with ignition system
NGK SPARK PLUG CO9 citations73
US4962746AOct 16, 1990
Mixing liquid ratio detector device
NGK SPARK PLUG CO17 citations73
US6055844AMay 2, 2000
Air/fuel ratio detection device and an air/fuel ratio control device
NGK SPARK PLUG CO6 citations63
US5554930ASep 10, 1996
Spark plug voltage probe device in an internal combustion engine
NGK SPARK PLUG CO3 citations63
US5491417AFeb 13, 1996
Sparkplug voltage probe device having a capacitance compensating function for an internal combustion engine
NGK SPARK PLUG CO3 citations63
US5450013ASep 12, 1995
Spark plug voltage detector probe having a replaceable cable fixing portion
NGK SPARK PLUG CO3 citations63
US5426370AJun 20, 1995
Spark plug voltage probe device for detecting a burning condition and reducing noise level in an internal combustion engine
NGK SPARK PLUG CO1 citations63
US5355056AOct 11, 1994
Sparkplug voltage detecting probe device for use in internal combustion engine
NGK SPARK PLUG CO3 citations63
US5046842ASep 10, 1991
Mixing ratio detecting device for composite liquid
NGK SPARK PLUG CO3 citations63
US4912319AMar 27, 1990
Detector device for mixing ratio for gasoline and alcohol or the like
NGK SPARK PLUG CO5 citations63
US4843248AJun 27, 1989
Mixing ratio sensor for liquid fuel
NGK SPARK PLUG CO6 citations63
US5581188ADec 3, 1996
Misfire detecting device
NGK SPARK PLUG CO1 citations52