Assignee
SAKAYANAGI NOBUAKI
JP·4 granted patents·20 citations·filing 2010–2011
Top patents by PatentIndex Score
4 records- 0190US8212463B2Spark plug and its manufacturing methodSAKAYANAGI NOBUAKI·Filed 2011·Granted Jul 3, 2012·8 cites·10 claims
- 0286US8487520B2Spark plug and method of manufacturing the sameSAKAYANAGI NOBUAKI·Filed 2010·Granted Jul 16, 2013·6 cites·12 claims
- 0376US8841827B2Spark plug with improved resistance to spark-induced erosion of the ground electrode tipSAKAYANAGI NOBUAKI·Filed 2011·Granted Sep 23, 2014·3 cites·15 claims
- 0476US8264131B2Spark plugSAKAYANAGI NOBUAKI·Filed 2010·Granted Sep 11, 2012·3 cites·10 claims
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