Inventor
KUMADA CHIAKI
JP11 patents
Patents
11 patentsUS6236148B1May 22, 2001
Spark plug with specific metal shell coating
NGK SPARK PLUG CO18 citations91
US6064039AMay 16, 2000
Glow plug with small-diameter sheath tube enclosing heating and control coils
NGK SPARK PLUG CO32 citations91
US6843218B2Jan 18, 2005
Glow plug energization control apparatus and glow plug energization control method
NGK SPARK PLUG CO16 citations81
US7319208B2Jan 15, 2008
Controller and glow plug for controlling energization modes
NGK SPARK PLUG CO11 citations79
US7122947B2Oct 17, 2006
Glow plug and spark plug, and manufacturing method therefor
NGK SPARK PLUG CO7 citations72
US6437493B2Aug 20, 2002
Glow plug and spark plug, and manufacturing method therefor
NGK SPARK PLUG CO5 citations72
US5767485AJun 16, 1998
Sheathed heater with a series-connected current regulating resistor comprised of cobalt-copper alloy
NGK SPARK PLUG CO12 citations72
US6420683B1Jul 16, 2002
Glow plug with Ni-Fe-Co resistor
NGK SPARK PLUG CO12 citations70
US7041938B2May 9, 2006
Glow plug, glow plug mounting structure, and glow plug manufacturing method
NGK SPARK PLUG CO5 citations59
US6627854B2Sep 30, 2003
Heater and glow plug
NGK SPARK PLUG CO3 citations59
US6791245B2Sep 14, 2004
Glow plug and spark plug, and manufacturing method therefor
NGK SPARK PLUG CO0 citations51