Inventor · disambiguated record
Hirokazu Kurono
Also filed as: KURONO HIROKAZU
41 granted patents·5 pending applications·92 citations·filing 2007–2018
96Inventor score
Top patents by PatentIndex Score
46 records- 0197US10090646B2Spark plugNGK SPARK PLUG CO·Filed 2015·Granted Oct 2, 2018·15 cites·6 claims
- 0295US10205305B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Feb 12, 2019·13 cites·5 claims
- 0386US9595814B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Mar 14, 2017·4 cites·12 claims
- 0485US10340667B2Spark plugNGK SPARK PLUG CO·Filed 2018·Granted Jul 2, 2019·2 cites·7 claims
- 0583US8183754B2Alumina-based sintered body for spark plug and method of manufacturing the same, and spark plug and method of manufacturing the sameKURIBAYASHI MAKOTO·Filed 2009·Granted May 22, 2012·8 cites·9 claims
- 0681US8970098B1Ignition plugNGK SPARK PLUG CO·Filed 2014·Granted Mar 3, 2015·3 cites·8 claims
- 0781US7808250B2Test method and apparatus for spark plug insulatorNGK SPARK PLUG CO·Filed 2008·Granted Oct 5, 2010·7 cites·9 claims
- 0880US8564184B2Spark plug and process for producing spark plugKURONO HIROKAZU·Filed 2010·Granted Oct 22, 2013·4 cites·5 claims
- 0979US9590395B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Mar 7, 2017·3 cites·14 claims
- 1077US8482187B2Spark plug and process for producing spark plugTAKAOKA KATSUYA·Filed 2010·Granted Jul 9, 2013·4 cites·5 claims
- 1176US9653888B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted May 16, 2017·1 cites·4 claims
- 1275US10193311B2Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Jan 29, 2019·1 cites·2 claims
- 1375US9373940B2Spark plugNGK SPARK PLUG CO·Filed 2015·Granted Jun 21, 2016·1 cites·7 claims
- 1474US10637212B2Method for manufacturing insulator for spark plugNGK SPARK PLUG CO·Filed 2015·Granted Apr 28, 2020·1 cites·7 claims
- 1574US10153619B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Dec 11, 2018·1 cites·6 claims
- 1673US9160145B2Insulator for spark plug and spark plugNGK SPARK PLUG CO·Filed 2014·Granted Oct 13, 2015·2 cites·16 claims
- 1772US9362722B2Spark 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
- 1872US8093791B2Spark plug having particular insulatorKURONO HIROKAZU·Filed 2009·Granted Jan 10, 2012·5 cites·5 claims
- 1971US8278809B2Spark plug with alumina-based insulatorKURONO HIROKAZU·Filed 2010·Granted Oct 2, 2012·2 cites·22 claims
- 2070US9912126B2Spark plug insulator containing mullite and spark plug including sameNGK SPARK PLUG CO·Filed 2015·Granted Mar 6, 2018·1 cites·5 claims
- 2170US8390183B2Spark plug and method for manufacturing spark plugKURONO HIROKAZU·Filed 2009·Granted Mar 5, 2013·3 cites·8 claims
- 2269US8013278B2Ceramic heater and glow plugNGK SPARK PLUG CO·Filed 2007·Granted Sep 6, 2011·4 cites·13 claims
- 2365US2009215348A1Insulator for spark plug, and method for manufacturing spark plugNGK SPARK PLUG CO·Filed 2009·Application pending·0 cites
- 2464US9385511B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Jul 5, 2016·1 cites·4 claims
- 2562US8564183B2Spark plug and method for manufacturing spark plugSUZUKI AKIRA·Filed 2010·Granted Oct 22, 2013·1 cites·10 claims
- 2661US8672722B2Spark plug manufacturing methodHIROSE KAZUMICHI·Filed 2012·Granted Mar 18, 2014·2 cites·5 claims
- 2756US10277012B2Spark plug including a magnetic substance and a conductor disposed thereonNGK SPARK PLUG CO·Filed 2018·Granted Apr 30, 2019·0 cites·17 claims
- 2853US10270228B2Spark plugNGK SPARK PLUG CO·Filed 2018·Granted Apr 23, 2019·0 cites·7 claims
- 2950US10424901B2Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Sep 24, 2019·0 cites·10 claims
- 3050US9281662B2Spark plugNGK SPARK PLUG CO·Filed 2015·Granted Mar 8, 2016·0 cites·6 claims
- 3150US8469758B2Insulator for spark plug, and method for manufacturing spark plugHONDA TOSHITAKA·Filed 2011·Granted Jun 25, 2013·0 cites·3 claims
- 3248US9466951B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Oct 11, 2016·0 cites·5 claims
- 3347US7938706B2Deflection inspecting device for spark plug insulator, deflection inspecting method for spark plug insulator, and manufacturing method for spark plug insulatorNGK SPARK PLUG CO·Filed 2008·Granted May 10, 2011·0 cites·9 claims
- 3445US2011005485A1Insulator for spark plug, process for producing the insulator, spark plug, and process for producing the spark plugNGK SPARK PLUG CO·Filed 2009·Application pending·0 cites
- 3544US10084288B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Sep 25, 2018·0 cites·4 claims
- 3644US9425585B2Insulator and spark plugNGK SPARK PLUG CO·Filed 2014·Granted Aug 23, 2016·0 cites·9 claims
- 3744US8928214B2Ignition plugNGK SPARK PLUG CO·Filed 2013·Granted Jan 6, 2015·0 cites·4 claims
- 3843US10751923B2Spark plug insulator production method, insulator, molding dieNGK SPARK PLUG CO·Filed 2015·Granted Aug 25, 2020·0 cites·5 claims
- 3943US9077157B2Ignition plug having a rear trunk portion that provides sufficient strengthKURONO HIROKAZU·Filed 2012·Granted Jul 7, 2015·0 cites·11 claims
- 4043US8539921B2Spark plugKURIBAYASHI MAKOTO·Filed 2009·Granted Sep 24, 2013·0 cites·5 claims
- 4141US2018166861A1Spark plugNGK SPARK PLUG CO·Filed 2016·Application pending·0 cites
- 4238US10879675B2Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Dec 29, 2020·0 cites·11 claims
- 4336US2018375298A1Spark plugNGK SPARK PLUG CO·Filed 2016·Application pending·0 cites
- 4435US8749125B2Spark plugTAKAOKA KATSUYA·Filed 2010·Granted Jun 10, 2014·0 cites·6 claims
- 4532US9054501B2Spark plugFUJIMURA KENGO·Filed 2012·Granted Jun 9, 2015·0 cites·5 claims
- 4632US2012176022A1Spark plugNAKAGAWA KEITA·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →