Assignee
NAKAMURA MAI
JP·4 granted patents·5 citations·filing 2009–2011
Technology mixH01T4
Top patents by PatentIndex Score
4 records- 0172US8294347B2Spark plug having specific configuration of packing areaNAKAMURA MAI·Filed 2009·Granted Oct 23, 2012·5 cites·4 claims
- 0241US8536771B2Surface for supporting a sheet packing in a spark plugNAKAMURA MAI·Filed 2010·Granted Sep 17, 2013·0 cites·8 claims
- 0337US8492964B2Spark plug and manufacturing method thereofNAKAMURA MAI·Filed 2011·Granted Jul 23, 2013·0 cites·11 claims
- 0435US8674592B2Spark plug having a crimp portion in the metal shell to firmly engage with the ceramic insulatorNAKAMURA MAI·Filed 2011·Granted Mar 18, 2014·0 cites·11 claims
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