Assignee
KATSURAYA KOHEI
JP·9 granted patents·9 citations·filing 2009–2012
Top patents by PatentIndex Score
9 records- 0183US9035562B2Ignition plug and ignition apparatusKATSURAYA KOHEI·Filed 2012·Granted May 19, 2015·4 cites·10 claims
- 0261US8471448B2High-frequency plasma spark plugKATSURAYA KOHEI·Filed 2011·Granted Jun 25, 2013·1 cites·15 claims
- 0360US8102106B2Spark plug and method of manufacturing the sameKATSURAYA KOHEI·Filed 2009·Granted Jan 24, 2012·2 cites·6 claims
- 0459US8222803B2Spark plug and manufacturing method thereofKATSURAYA KOHEI·Filed 2009·Granted Jul 17, 2012·2 cites·8 claims
- 0549US9231382B2Plasma ignition device and plasma ignition methodKATSURAYA KOHEI·Filed 2011·Granted Jan 5, 2016·0 cites·18 claims
- 0642US8976504B2Ignition system and spark plugKATSURAYA KOHEI·Filed 2011·Granted Mar 10, 2015·0 cites·14 claims
- 0742US8946977B2Spark plug having fusion zoneKATSURAYA KOHEI·Filed 2012·Granted Feb 3, 2015·0 cites·11 claims
- 0836US8629605B2Spark plug having shaped insulatorKATSURAYA KOHEI·Filed 2010·Granted Jan 14, 2014·0 cites·13 claims
- 0935US8981635B2High-frequency spark plug with center electrode and terminal electrode in direct contactKATSURAYA KOHEI·Filed 2011·Granted Mar 17, 2015·0 cites·7 claims
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