Inventor
KAMEDA HIROYUKI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “KAMEDA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAMEDA HIROYUKI
20 patentsUS8203258B2Jun 19, 2012
Spark plug for low temperature environment
KAMEDA HIROYUKI11 citations84
US8115372B2Feb 14, 2012
Spark plug for internal combustion engine and method of manufacturing the same
KAMEDA HIROYUKI8 citations84
US8847494B2Sep 30, 2014
Ignition system for plasma jet ignition plug
KAMEDA HIROYUKI5 citations73
US8188641B2May 29, 2012
Spark plug
KAMEDA HIROYUKI6 citations73
US8558442B2Oct 15, 2013
Plasma jet ignition plug
KAMEDA HIROYUKI2 citations63
US8441177B2May 14, 2013
Plasma jet ignition plug
KAMEDA HIROYUKI2 citations63
US8324791B2Dec 4, 2012
Spark plug for internal combustion engine
KAMEDA HIROYUKI3 citations63
US8141532B2Mar 27, 2012
Spark plug
KAMEDA HIROYUKI2 citations63
US8087961B2Jan 3, 2012
Method of producing a spark plug that has a high dimensional accuracy in the spark gap
KAMEDA HIROYUKI3 citations63
US8536770B2Sep 17, 2013
Plasma jet spark plug
KAMEDA HIROYUKI4 citations62
US8253312B2Aug 28, 2012
Plasma jet spark plug
KAMEDA HIROYUKI2 citations62
US8196557B2Jun 12, 2012
Plasma-jet spark plug and ignition system
KAMEDA HIROYUKI3 citations62
US8264132B2Sep 11, 2012
Plasma jet ignition plug
KAMEDA HIROYUKI2 citations61
US9133812B2Sep 15, 2015
Ignition apparatus and ignition system
KAMEDA HIROYUKI0 citations52
US8575828B2Nov 5, 2013
Spark plug
KAMEDA HIROYUKI1 citations52
US8319409B2Nov 27, 2012
Spark plug with ground electrode having widened and narrowed width portions
KAMEDA HIROYUKI1 citations52
US8198790B2Jun 12, 2012
Plasma jet ignition plug
KAMEDA HIROYUKI0 citations51
US8640666B2Feb 4, 2014
Spark plug for internal combustion engine
KAMEDA HIROYUKI1 citations50
US8987990B2Mar 24, 2015
Plasma jet spark plug and ignition system
KAMEDA HIROYUKI0 citations41
US8853929B2Oct 7, 2014
Plasma jet ignition plug
KAMEDA HIROYUKI0 citations41
NGK SPARK PLUG CO
15 patentsUS6628050B1Sep 30, 2003
Spark plug
NGK SPARK PLUG CO33 citations93
US8013504B2Sep 6, 2011
Spark plug for internal combustion engine and method for producing the spark plug
NGK SPARK PLUG CO9 citations84
US6281682B1Aug 28, 2001
Sensor for detecting ignition current and ion current in ignition secondary circuit
NGK SPARK PLUG CO16 citations84
US8013503B2Sep 6, 2011
Spark plug for internal combustion engine having ground electrode with thick, thin and stepped portion and method for producing the spark plug
NGK SPARK PLUG CO5 citations63
US7906894B2Mar 15, 2011
Spark plug for internal combustion engine
NGK SPARK PLUG CO3 citations63
US7825572B2Nov 2, 2010
Spark plug
NGK SPARK PLUG CO4 citations63
US7703428B2Apr 27, 2010
Spark plug and internal combustion engine in which the spark plug is disposed
NGK SPARK PLUG CO3 citations63
US6564786B2May 20, 2003
Apparatus and method for controlling ignition of an internal combustion engine
NGK SPARK PLUG CO4 citations63
US9478947B2Oct 25, 2016
Plasma jet spark plug
NGK SPARK PLUG CO2 citations61
US7781949B2Aug 24, 2010
Spark plug
NGK SPARK PLUG CO4 citations60
US7821186B2Oct 26, 2010
Spark plug having specific configuration of center electrode with respect to outer electrode
NGK SPARK PLUG CO1 citations52
US9775227B2Sep 26, 2017
Non-thermal equilibrium plasma ignition plug and non-thermal equilibrium plasma ignition device
NGK SPARK PLUG CO0 citations50
US9466952B2Oct 11, 2016
Spark plug
NGK SPARK PLUG CO0 citations42
US8350455B2Jan 8, 2013
Spark plug including ground electrode having a protrusion and a hole
NGK SPARK PLUG CO0 citations41
US10153618B2Dec 11, 2018
Spark plug
NGK SPARK PLUG CO0 citations39