Assignee
TORII KAZUYOSHI
JP·4 granted patents·9 citations·filing 2007–2011
Top patents by PatentIndex Score
4 records- 0175US8410673B2Spark 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
- 0273US8072125B2Spark plug for use in an internal-combustion engine with a bilayer ground electrodeTORII KAZUYOSHI·Filed 2007·Granted Dec 6, 2011·5 cites·8 claims
- 0356US8294344B2Spark plug and weld metal zoneTORII KAZUYOSHI·Filed 2008·Granted Oct 23, 2012·2 cites·9 claims
- 0437US8638029B2Spark plug for internal combustion engine and method of manufacturing the spark plugTORII KAZUYOSHI·Filed 2011·Granted Jan 28, 2014·0 cites·16 claims
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