Inventor · disambiguated record
Katsuya Takaoka
Also filed as: TAKAOKA KATSUYA
25 granted patents·3 pending applications·55 citations·filing 2008–2020
93Inventor score
Top patents by PatentIndex Score
28 records- 0197US10090646B2Spark plugNGK SPARK PLUG CO·Filed 2015·Granted Oct 2, 2018·15 cites·6 claims
- 0291US9997894B2Spark plug having a resistor elementNGK SPARK PLUG CO·Filed 2017·Granted Jun 12, 2018·4 cites·3 claims
- 0386US9595814B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Mar 14, 2017·4 cites·12 claims
- 0480US8564184B2Spark plug and process for producing spark plugKURONO HIROKAZU·Filed 2010·Granted Oct 22, 2013·4 cites·5 claims
- 0579US9590395B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Mar 7, 2017·3 cites·14 claims
- 0678US10153622B1Spark plug having the thickness of a magnetic member without excessively narrowing an electrode memberNGK SPARK PLUG CO·Filed 2018·Granted Dec 11, 2018·1 cites·6 claims
- 0777US8482187B2Spark plug and process for producing spark plugTAKAOKA KATSUYA·Filed 2010·Granted Jul 9, 2013·4 cites·5 claims
- 0876US9653888B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted May 16, 2017·1 cites·4 claims
- 0975US9373940B2Spark plugNGK SPARK PLUG CO·Filed 2015·Granted Jun 21, 2016·1 cites·7 claims
- 1074US8382918B2Steel wire material for spring and its producing methodKOBE STEEL LTD·Filed 2011·Granted Feb 26, 2013·1 cites·25 claims
- 1173US9160145B2Insulator for spark plug and spark plugNGK SPARK PLUG CO·Filed 2014·Granted Oct 13, 2015·2 cites·16 claims
- 1272US9362722B2Spark plug with improved withstand voltage characteristics and high mechanical strength at high temperaturesNGK SPARK PLUG CO·Filed 2012·Granted Jun 7, 2016·3 cites·7 claims
- 1372US8093791B2Spark plug having particular insulatorKURONO HIROKAZU·Filed 2009·Granted Jan 10, 2012·5 cites·5 claims
- 1471US8278809B2Spark plug with alumina-based insulatorKURONO HIROKAZU·Filed 2010·Granted Oct 2, 2012·2 cites·22 claims
- 1570US8390183B2Spark plug and method for manufacturing spark plugKURONO HIROKAZU·Filed 2009·Granted Mar 5, 2013·3 cites·8 claims
- 1664US9385511B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Jul 5, 2016·1 cites·4 claims
- 1762US8564183B2Spark plug and method for manufacturing spark plugSUZUKI AKIRA·Filed 2010·Granted Oct 22, 2013·1 cites·10 claims
- 1857US2009020189A1Steel wire material for spring and its producing methodKOBE STEEL LTD·Filed 2008·Application pending·0 cites
- 1956US12114402B2Holding device and method of manufacturing holding deviceNGK SPARK PLUG CO·Filed 2019·Granted Oct 8, 2024·0 cites·8 claims
- 2056US10277012B2Spark plug including a magnetic substance and a conductor disposed thereonNGK SPARK PLUG CO·Filed 2018·Granted Apr 30, 2019·0 cites·17 claims
- 2154US12273965B2Holding device and method of manufacturing holding deviceNGK SPARK PLUG CO·Filed 2019·Granted Apr 8, 2025·0 cites·8 claims
- 2253US10270228B2Spark plugNGK SPARK PLUG CO·Filed 2018·Granted Apr 23, 2019·0 cites·7 claims
- 2351US12110577B2Dust coreNGK SPARK PLUG CO·Filed 2020·Granted Oct 8, 2024·0 cites·5 claims
- 2450US9281662B2Spark plugNGK SPARK PLUG CO·Filed 2015·Granted Mar 8, 2016·0 cites·6 claims
- 2548US9466951B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Oct 11, 2016·0 cites·5 claims
- 2641US2018166861A1Spark plugNGK SPARK PLUG CO·Filed 2016·Application pending·0 cites
- 2736US2018375298A1Spark plugNGK SPARK PLUG CO·Filed 2016·Application pending·0 cites
- 2835US8749125B2Spark plugTAKAOKA KATSUYA·Filed 2010·Granted Jun 10, 2014·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →