Inventor
HAGIWARA KATSUNORI
JP4 patents
Patents
4 patentsUS7305954B2Dec 11, 2007
Plasma-jet spark plug and ignition system
NGK SPARK PLUG CO31 citations91
US7328677B2Feb 12, 2008
Plasma-jet spark plug and ignition system
NGK SPARK PLUG CO36 citations89
US7827954B2Nov 9, 2010
Plasma-jet spark plug control method and device
NGK SPARK PLUG CO14 citations83
US7714488B2May 11, 2010
Plasma jet spark plug and ignition system for the same
NGK SPARK PLUG CO16 citations83