Assignee
NAKAYAMA KATSUTOSHI
JP·5 granted patents·2 citations·filing 2008–2010
Top patents by PatentIndex Score
5 records- 0159US8247740B2Spark plug, and its manufacturing methodNAKAYAMA KATSUTOSHI·Filed 2008·Granted Aug 21, 2012·2 cites·11 claims
- 0245US8466608B2Spark plug and manufacturing method thereofNAKAYAMA KATSUTOSHI·Filed 2009·Granted Jun 18, 2013·0 cites·8 claims
- 0344US8298030B2Spark plug manufacturing method, and spark plugNAKAYAMA KATSUTOSHI·Filed 2008·Granted Oct 30, 2012·0 cites·10 claims
- 0437US8624473B2Spark plugNAKAYAMA KATSUTOSHI·Filed 2010·Granted Jan 7, 2014·0 cites·21 claims
- 0532US8506341B2Method of manufacturing sparkplugsNAKAYAMA KATSUTOSHI·Filed 2010·Granted Aug 13, 2013·0 cites·9 claims
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