Inventor
KATSURAYA KOHEI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “KATSURAYA KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KATSURAYA KOHEI
9 patentsUS9035562B2May 19, 2015
Ignition plug and ignition apparatus
KATSURAYA KOHEI4 citations71
US8222803B2Jul 17, 2012
Spark plug and manufacturing method thereof
KATSURAYA KOHEI2 citations61
US8102106B2Jan 24, 2012
Spark plug and method of manufacturing the same
KATSURAYA KOHEI2 citations61
US9231382B2Jan 5, 2016
Plasma ignition device and plasma ignition method
KATSURAYA KOHEI0 citations51
US8471448B2Jun 25, 2013
High-frequency plasma spark plug
KATSURAYA KOHEI1 citations51
US8981635B2Mar 17, 2015
High-frequency spark plug with center electrode and terminal electrode in direct contact
KATSURAYA KOHEI0 citations40
US8976504B2Mar 10, 2015
Ignition system and spark plug
KATSURAYA KOHEI0 citations40
US8946977B2Feb 3, 2015
Spark plug having fusion zone
KATSURAYA KOHEI0 citations40
US8629605B2Jan 14, 2014
Spark plug having shaped insulator
KATSURAYA KOHEI0 citations40
NGK SPARK PLUG CO
4 patentsUS9263857B2Feb 16, 2016
Ignition system
NGK SPARK PLUG CO5 citations72
US8907552B2Dec 9, 2014
High-frequency plasma spark plug
NGK SPARK PLUG CO5 citations72
US9240676B2Jan 19, 2016
Ignition plug
NGK SPARK PLUG CO0 citations50
US8350455B2Jan 8, 2013
Spark plug including ground electrode having a protrusion and a hole
NGK SPARK PLUG CO0 citations41