Inventor
TERAMURA HIDEKI
JP7 patents
Patents
7 patentsUS7321187B2Jan 22, 2008
Spark plug and method for manufacturing the spark plug
NGK SPARK PLUG CO30 citations92
US7084558B2Aug 1, 2006
Spark plug and method for manufacturing the spark plug
NGK SPARK PLUG CO46 citations92
US6707237B2Mar 16, 2004
Spark plug
NGK SPARK PLUG CO39 citations92
US6489709B1Dec 3, 2002
Captive spark plug gasket
NGK SPARK PLUG CO24 citations92
US6611084B2Aug 26, 2003
Spark plug
NGK SPARK PLUG CO19 citations83
US7045939B2May 16, 2006
Spark plug having a welded electrode and the method of producing the same
NGK SPARK PLUG CO14 citations81
US6433311B1Aug 13, 2002
Glow plug
NGK SPARK PLUG CO10 citations72