Inventor · disambiguated record
Daisuke Sumoyama
Also filed as: SUMOYAMA DAISUKE
21 granted patents·1 pending application·37 citations·filing 2010–2022
91Inventor score
Top patents by PatentIndex Score
22 records- 0196US10033163B1Spark plugNGK SPARK PLUG CO·Filed 2018·Granted Jul 24, 2018·8 cites·7 claims
- 0294US9853423B1Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Dec 26, 2017·11 cites·5 claims
- 0389US9627857B2Spark plugNGK SPARK PLUG CO·Filed 2015·Granted Apr 18, 2017·3 cites·10 claims
- 0488US9705292B2Spark plug and method for producing the sameNGK SPARK PLUG CO·Filed 2016·Granted Jul 11, 2017·3 cites·5 claims
- 0585US9948069B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Apr 17, 2018·5 cites·9 claims
- 0681US10312669B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Jun 4, 2019·1 cites·7 claims
- 0780US10153621B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Dec 11, 2018·2 cites·7 claims
- 0874US8810120B2Spark plugSUMOYAMA DAISUKE·Filed 2012·Granted Aug 19, 2014·3 cites·7 claims
- 0967US10965104B2Spark plugNGK SPARK PLUG CO·Filed 2019·Granted Mar 30, 2021·0 cites·5 claims
- 1063US12407148B2Spark plugNITERRA CO LTD·Filed 2022·Granted Sep 2, 2025·0 cites·3 claims
- 1162US10447014B1Spark plug and manufacturing method thereforNGK SPARK PLUG CO·Filed 2019·Granted Oct 15, 2019·0 cites·13 claims
- 1261US9887519B1Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Feb 6, 2018·0 cites·5 claims
- 1361US8878424B2Spark plugSUMOYAMA DAISUKE·Filed 2012·Granted Nov 4, 2014·1 cites·9 claims
- 1456US9948068B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Apr 17, 2018·0 cites·6 claims
- 1555US10958045B2Spark plugNGK SPARK PLUG CO·Filed 2019·Granted Mar 23, 2021·0 cites·8 claims
- 1654US9548593B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Jan 17, 2017·0 cites·8 claims
- 1748US10498110B2Spark plugNGK SPARK PLUG CO·Filed 2019·Granted Dec 3, 2019·0 cites·8 claims
- 1845US8415867B2Spark plugTANAKA TOMOO·Filed 2010·Granted Apr 9, 2013·0 cites·6 claims
- 1943US2013026903A1Spark plugNGK SPARK PLUG CO·Filed 2011·Application pending·0 cites
- 2041US8618725B2Spark plugSUMOYAMA DAISUKE·Filed 2011·Granted Dec 31, 2013·0 cites·11 claims
- 2139US9197036B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Nov 24, 2015·0 cites·4 claims
- 2232US10186845B2Electrode tip for spark plug, and spark plugNGK SPARK PLUG CO·Filed 2015·Granted Jan 22, 2019·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →