Inventor
FUMA TOMOHIRO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “FUMA TOMOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
12 patentsUS6136170AOct 24, 2000
Exhaust gas sensor and system thereof
NGK SPARK PLUG CO69 citations94
US6979801B2Dec 27, 2005
Glow plug with built-in combustion pressure sensor and manufacturing method thereof
NGK SPARK PLUG CO41 citations92
US6533911B1Mar 18, 2003
Device for measuring combustible-gas concentration in an exhaust gas
NGK SPARK PLUG CO32 citations92
US6303012B1Oct 16, 2001
Gas sensor, gas sensor system using the same
NGK SPARK PLUG CO19 citations92
US5993625ANov 30, 1999
Exhaust gas sensor
NGK SPARK PLUG CO24 citations90
US6880540B2Apr 19, 2005
Ignition coil, and internal combustion engine ignition device
NGK SPARK PLUG CO13 citations84
US6338783B1Jan 15, 2002
Gas sensor, method of manufacturing the same, and gas sensor system using the gas sensor
NGK SPARK PLUG CO16 citations84
US6655334B2Dec 2, 2003
Ignition apparatus for use in internal combustion engine
NGK SPARK PLUG CO12 citations74
US6554984B2Apr 29, 2003
Method of manufacturing a gas sensor
NGK SPARK PLUG CO12 citations74
US6325906B1Dec 4, 2001
Gas sensor and apparatus for measuring combustible gas component concentration using the same
NGK SPARK PLUG CO8 citations74
US6153072ANov 28, 2000
Gas sensor, gas sensor system using the same, and method of manufacturing a gas sensor
NGK SPARK PLUG CO15 citations74
US10079475B2Sep 18, 2018
Plug connector, rubber member, and ring member
NGK SPARK PLUG CO1 citations48