Assignee
KURONO HIROKAZU
JP·5 granted patents·14 citations·filing 2009–2012
Top patents by PatentIndex Score
5 records- 0180US8564184B2Spark plug and process for producing spark plugKURONO HIROKAZU·Filed 2010·Granted Oct 22, 2013·4 cites·5 claims
- 0272US8093791B2Spark plug having particular insulatorKURONO HIROKAZU·Filed 2009·Granted Jan 10, 2012·5 cites·5 claims
- 0371US8278809B2Spark plug with alumina-based insulatorKURONO HIROKAZU·Filed 2010·Granted Oct 2, 2012·2 cites·22 claims
- 0470US8390183B2Spark plug and method for manufacturing spark plugKURONO HIROKAZU·Filed 2009·Granted Mar 5, 2013·3 cites·8 claims
- 0543US9077157B2Ignition plug having a rear trunk portion that provides sufficient strengthKURONO HIROKAZU·Filed 2012·Granted Jul 7, 2015·0 cites·11 claims
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