Inventor
SAKAKURA YASUSHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “SAKAKURA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
17 patentsUS6779517B2Aug 24, 2004
Ignition device for internal combustion engine
NGK SPARK PLUG CO31 citations92
US6512375B1Jan 28, 2003
Method of detecting spark plug fouling and ignition system having means for carrying out the same
NGK SPARK PLUG CO49 citations92
US6505605B2Jan 14, 2003
Control system for an internal combustion engine and method carried out by the same
NGK SPARK PLUG CO37 citations92
US6371078B1Apr 16, 2002
Method of controlling a direct fuel injection engine and storage medium storing the same
NGK SPARK PLUG CO15 citations84
US8933618B2Jan 13, 2015
Electrode-attached insulator and spark plug
NGK SPARK PLUG CO7 citations83
US6715340B2Apr 6, 2004
Misfiring detection apparatus for internal combustion engine
NGK SPARK PLUG CO12 citations73
US9236715B2Jan 12, 2016
Spark plug and method of manufacturing spark plug
NGK SPARK PLUG CO5 citations72
US10211604B2Feb 19, 2019
Spark plug
NGK SPARK PLUG CO2 citations67
US10270227B2Apr 23, 2019
Ignition plug
NGK SPARK PLUG CO1 citations62
US7781949B2Aug 24, 2010
Spark plug
NGK SPARK PLUG CO4 citations60
US9172215B2Oct 27, 2015
Spark plug having center electrode tip of varying widths
NGK SPARK PLUG CO1 citations51
US8878426B2Nov 4, 2014
Ignition plug
NGK SPARK PLUG CO1 citations50
US9543739B2Jan 10, 2017
Spark plug, and method for manufacturing spark plug
NGK SPARK PLUG CO0 citations41
US9368944B2Jun 14, 2016
Spark plug
NGK SPARK PLUG CO0 citations41
US9160146B2Oct 13, 2015
Spark plug
NGK SPARK PLUG CO0 citations41
US9525270B2Dec 20, 2016
Spark plug
NGK SPARK PLUG CO0 citations39
US10804682B2Oct 13, 2020
Spark plug
NGK SPARK PLUG CO0 citations34
SAKAKURA YASUSHI
4 patentsUS9093823B2Jul 28, 2015
Spark plug and method of manufacturing spark plug
SAKAKURA YASUSHI11 citations80
US8243415B2Aug 14, 2012
Ignition plug and ignition system
SAKAKURA YASUSHI2 citations60
US8432091B2Apr 30, 2013
Corrosion suppressing spark plug
SAKAKURA YASUSHI0 citations39
US8981633B2Mar 17, 2015
Spark plug and production method therefor
SAKAKURA YASUSHI0 citations38