Inventor · disambiguated record
Naomichi Miyashita
Also filed as: MIYASHITA NAOMICHI
16 granted patents·1 pending application·87 citations·filing 2000–2024
91Inventor score
Top patents by PatentIndex Score
17 records- 0191US8106572B2Spark plug and process for producing the spark plugTANAKA TOMOO·Filed 2008·Granted Jan 31, 2012·19 cites·4 claims
- 0289US8044562B2Spark plugNGK SPARK PLUG CO·Filed 2008·Granted Oct 25, 2011·11 cites·6 claims
- 0380US9190812B2Spark plug and assembling structure thereofMIYASHITA NAOMICHI·Filed 2012·Granted Nov 17, 2015·7 cites·11 claims
- 0480US6724133B2Spark plug with nickel alloy electrode base materialNGK SPARK PLUG CO·Filed 2001·Granted Apr 20, 2004·18 cites·32 claims
- 0579US6472801B1Spark plug with a corrosion impeding layerNGK SPARK PLUG CO·Filed 2000·Granted Oct 29, 2002·17 cites·20 claims
- 0675US8410673B2Spark plug having a ground electrode of specific alloy composition to which a noble metal tip is joinedTORII KAZUYOSHI·Filed 2009·Granted Apr 2, 2013·2 cites·13 claims
- 0774US8476817B2Spark plugMIYASHITA NAOMICHI·Filed 2010·Granted Jul 2, 2013·3 cites·6 claims
- 0871US8378560B2Spark plugNGK SPARK PLUG CO·Filed 2008·Granted Feb 19, 2013·1 cites·9 claims
- 0971US8344604B2Spark plug for internal combustion engineNGK SPARK PLUG CO·Filed 2008·Granted Jan 1, 2013·4 cites·11 claims
- 1063US12283796B2Spark plugNITERRA CO LTD·Filed 2024·Granted Apr 22, 2025·0 cites·8 claims
- 1160US8766521B2Spark plugYOSHIZAKI HIROTOSHI·Filed 2011·Granted Jul 1, 2014·2 cites·18 claims
- 1256US8294344B2Spark plug and weld metal zoneTORII KAZUYOSHI·Filed 2008·Granted Oct 23, 2012·2 cites·9 claims
- 1353US8624475B2Spark plugSHIMAMURA TAKUYA·Filed 2011·Granted Jan 7, 2014·1 cites·11 claims
- 1453US2010264801A1Spark plug and process for producing the spark plugTANAKA TOMOO·Filed 2008·Application pending·0 cites
- 1543US8664844B2Spark plug having a substantially columnar electrode tip welded to a component thereofMIYASHITA NAOMICHI·Filed 2010·Granted Mar 4, 2014·0 cites·25 claims
- 1642US9010765B2Gasket and automotive componentMIYASHITA NAOMICHI·Filed 2008·Granted Apr 21, 2015·0 cites·4 claims
- 1734US8664843B2Spark plugYAMADA YUICHI·Filed 2011·Granted Mar 4, 2014·0 cites·5 claims
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