Inventor · disambiguated record
Naofumi Yamamura
Also filed as: YAMAMURA NAOFUMI
12 granted patents·3 pending applications·23 citations·filing 2009–2016
85Inventor score
Top patents by PatentIndex Score
15 records- 0180US8237342B2Plasma jet ignition plug and manufacturing method thereofYAMAMURA NAOFUMI·Filed 2011·Granted Aug 7, 2012·5 cites·11 claims
- 0279US8528531B2Ignition apparatus of plasma jet ignition plugNAKANO DAISUKE·Filed 2010·Granted Sep 10, 2013·5 cites·4 claims
- 0378US8196557B2Plasma-jet spark plug and ignition systemKAMEDA HIROYUKI·Filed 2011·Granted Jun 12, 2012·3 cites·15 claims
- 0474US8853930B2Ignition plug and method of manufacturing the sameNGK SPARK PLUG CO·Filed 2014·Granted Oct 7, 2014·2 cites·12 claims
- 0570US8264132B2Plasma jet ignition plugKAMEDA HIROYUKI·Filed 2011·Granted Sep 11, 2012·2 cites·14 claims
- 0669US8536770B2Plasma jet spark plugKAMEDA HIROYUKI·Filed 2009·Granted Sep 17, 2013·4 cites·9 claims
- 0768US8253312B2Plasma jet spark plugKAMEDA HIROYUKI·Filed 2011·Granted Aug 28, 2012·2 cites·5 claims
- 0845US9453490B2Connection device, igniter and ignition systemNAKANO DAISUKE·Filed 2012·Granted Sep 27, 2016·0 cites·16 claims
- 0945US8198790B2Plasma jet ignition plugKAMEDA HIROYUKI·Filed 2011·Granted Jun 12, 2012·0 cites·11 claims
- 1043US8987990B2Plasma jet spark plug and ignition systemKAMEDA HIROYUKI·Filed 2012·Granted Mar 24, 2015·0 cites·9 claims
- 1141US8853929B2Plasma jet ignition plugKAMEDA HIROYUKI·Filed 2011·Granted Oct 7, 2014·0 cites·9 claims
- 1236US2012013262A1Ignition apparatus for plasma jet ignition plug and ignition systemNAKANO DAISUKE·Filed 2011·Application pending·0 cites
- 1335US2012104959A1Ignition system and ignition methodKAMEDA HIROYUKI·Filed 2011·Application pending·0 cites
- 1434US9716370B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Jul 25, 2017·0 cites·5 claims
- 1524US2015270687A1Spark plug and ignition systemNGK SPARK PLUG CO·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →