Inventor
KONDO NORIAKI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “KONDO NORIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
23 patentsUS6214207B1Apr 10, 2001
Method and apparatus for measuring oxygen concentration and nitrogen oxide concentration
NGK SPARK PLUG CO78 citations96
US6533921B2Mar 18, 2003
Apparatus for detecting concentration of nitrogen oxide
NGK SPARK PLUG CO21 citations92
US6352632B1Mar 5, 2002
Connector for NOx sensor
NGK SPARK PLUG CO27 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
US6082176AJul 4, 2000
NOx-concentration detecting apparatus
NGK SPARK PLUG CO58 citations92
US5849165ADec 15, 1998
Oxygen sensor for preventing silicon poisoning
NGK SPARK PLUG CO48 citations92
US5538612AJul 23, 1996
Oxygen sensor element
NGK SPARK PLUG CO24 citations92
US5443711AAug 22, 1995
Oxygen-sensor element
NGK SPARK PLUG CO50 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
US6371078B1Apr 16, 2002
Method of controlling a direct fuel injection engine and storage medium storing the same
NGK SPARK PLUG CO15 citations84
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
US4825683AMay 2, 1989
Apparatus for evaluating an oxygen sensor
NGK SPARK PLUG CO8 citations72
US6055844AMay 2, 2000
Air/fuel ratio detection device and an air/fuel ratio control device
NGK SPARK PLUG CO6 citations63
US5727534AMar 17, 1998
Misfire detecting device for multi-cylinder internal combustion engine
NGK SPARK PLUG CO2 citations63
US5450013ASep 12, 1995
Spark plug voltage detector probe having a replaceable cable fixing portion
NGK SPARK PLUG CO3 citations63
US7475589B2Jan 13, 2009
Knock sensor
NGK SPARK PLUG CO2 citations61
US5710512AJan 20, 1998
Structure and production process for secondary voltage detector for engine
NGK SPARK PLUG CO5 citations58
US5581188ADec 3, 1996
Misfire detecting device
NGK SPARK PLUG CO1 citations52