Assignee
NASU HIROAKI
JP·3 granted patents·6 citations·filing 2010–2011
Top patents by PatentIndex Score
3 records- 0182US8421324B2Spark plug, metal shell for spark plug, and method of manufacturing spark plugNASU HIROAKI·Filed 2010·Granted Apr 16, 2013·4 cites·11 claims
- 0270US8716924B2Spark plug having stress corrosion cracking resistanceNASU HIROAKI·Filed 2011·Granted May 6, 2014·2 cites·16 claims
- 0347US8853927B2Spark plug, and main metal fitting for spark plugNASU HIROAKI·Filed 2011·Granted Oct 7, 2014·0 cites·4 claims
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