Inventor
NISHIO KANEMITSU
JP11 patents
Patents
11 patentsUS4427915AJan 24, 1984
Spark plug and the process for production thereof
NGK SPARK PLUG CO52 citations96
US4400643AAug 23, 1983
Wide thermal range spark plug
NGK SPARK PLUG CO56 citations96
US4261085AApr 14, 1981
Method of making an ignition plug insulator having an electrically conductive end
NGK SPARK PLUG CO34 citations92
US4414483ANov 8, 1983
Spark plug and manufacturing process thereof
NGK SPARK PLUG CO27 citations82
US4224554ASep 23, 1980
Spark plug having a low noise level
NGK SPARK PLUG CO26 citations81
US4442375AApr 10, 1984
Electrical self-purification ignition plug
NGK SPARK PLUG CO7 citations73
US4393324AJul 12, 1983
Spark plug with a sphere-like metal center electrode and manufacturing process thereof
NGK SPARK PLUG CO7 citations73
US4341195AJul 27, 1982
Ignition system for spark plugs capable of removing carbon deposits
NGK SPARK PLUG CO18 citations73
US4144474AMar 13, 1979
Low noise resistance containing spark plug
NGK SPARK PLUG CO20 citations73
US4191155AMar 4, 1980
Internal combustion engine ignition noise preventing device
NGK SPARK PLUG CO7 citations69
US4217873AAug 19, 1980
Ignition circuit for self-purifying creeping discharge spark plugs
NGK SPARK PLUG CO9 citations66