Inventor
KUNITOMO IWAO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “KUNITOMO IWAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
4 patentsUS5831377ANov 3, 1998
Spark plug in use for an internal combustion engine
NGK SPARK PLUG CO33 citations91
US8047172B2Nov 1, 2011
Plasma jet ignition plug
NGK SPARK PLUG CO10 citations83
US5680002AOct 21, 1997
Multi-polarity type spark plug for use in an internal combustion engine
NGK SPARK PLUG CO8 citations72
US7663296B2Feb 16, 2010
Spark plug for internal combustion engine
NGK SPARK PLUG CO4 citations59