Inventor · disambiguated record
Takaya Yoshikawa
Also filed as: YOSHIKAWA TAKAYA
30 granted patents·4 pending applications·275 citations·filing 1991–2018
96Inventor score
Top patents by PatentIndex Score
34 records- 0187US8806918B2Gas sensor and manufacturing method thereforYONEZU KUNIHIKO·Filed 2011·Granted Aug 19, 2014·9 cites·6 claims
- 0286US6881930B2Glow plug and method of manufacturing the sameNGK SPARK PLUG CO·Filed 2004·Granted Apr 19, 2005·20 cites·9 claims
- 0385US10047658B2Exhaust gas temperature control apparatus and exhaust gas temperature adjustment apparatusNGK SPARK PLUG CO·Filed 2016·Granted Aug 14, 2018·3 cites·9 claims
- 0482US6646231B2Ceramic heater and its manufacturing method, glow plug and ion current detecting deviceNGK SPARK PLUG CO·Filed 2002·Granted Nov 11, 2003·15 cites·26 claims
- 0581US8594908B2Intake system for internal combustion engineYOSHIKAWA TAKAYA·Filed 2010·Granted Nov 26, 2013·6 cites·5 claims
- 0678US6082175AElectronic component having terminal connecting leads with a high temperature ceramic element and a method of making the sameNGK SPARK PLUG CO·Filed 1997·Granted Jul 4, 2000·57 cites·23 claims
- 0776US8702934B2Gas sensorTSUZUKI MASAO·Filed 2011·Granted Apr 22, 2014·4 cites·7 claims
- 0875US7921692B2SensorNGK SPARK PLUG CO·Filed 2008·Granted Apr 12, 2011·4 cites·14 claims
- 0973US7559224B2SensorNGK SPARK PLUG CO·Filed 2006·Granted Jul 14, 2009·3 cites·15 claims
- 1071US10300435B2Ammonia generation apparatus and ammonia generation control apparatusNGK SPARK PLUG CO·Filed 2016·Granted May 28, 2019·1 cites·9 claims
- 1171US8764955B2Gas sensorYOSHIKAWA TAKAYA·Filed 2011·Granted Jul 1, 2014·2 cites·8 claims
- 1270US7420139B2Glow plugNGK SPARK PLUG CO·Filed 2005·Granted Sep 2, 2008·6 cites·11 claims
- 1368US6844525B2Glow plug and glow-plug-mounting structureNGK SPARK PLUG CO·Filed 2003·Granted Jan 18, 2005·10 cites·8 claims
- 1467US7115836B2Glow plugNGK SPARK PLUG CO·Filed 2005·Granted Oct 3, 2006·5 cites·12 claims
- 1567US5174733ASuperchargerNGK SPARK PLUG CO·Filed 1991·Granted Dec 29, 1992·24 cites·12 claims
- 1666US7692118B2Glow plug and method for manufacturing the sameNGK SPARK PLUG CO·Filed 2007·Granted Apr 6, 2010·4 cites·10 claims
- 1764US9003866B2Gas sensorTSUZUKI MASAO·Filed 2011·Granted Apr 14, 2015·1 cites·8 claims
- 1862US5881607ACeramic-metal composite assemblyNGK SPARK PLUG CO·Filed 1992·Granted Mar 16, 1999·17 cites·17 claims
- 1961US5129784ACeramic rotor and metal shaft assemblyNGK SPARK PLUG CO·Filed 1991·Granted Jul 14, 1992·19 cites·9 claims
- 2061US2017306826A1Particulate collection system and particulate collection apparatusNGK SPARK PLUG CO·Filed 2017·Application pending·0 cites
- 2159US7560012B2Gas sensorNGK SPARK PLUG CO·Filed 2003·Granted Jul 14, 2009·3 cites·9 claims
- 2259US5937708ACeramic-metal composite assemblyNGK SPARK PLUG CO·Filed 1994·Granted Aug 17, 1999·15 cites·16 claims
- 2358US10408104B2Catalyst apparatus for internal combustion engineNGK SPARK PLUG CO·Filed 2018·Granted Sep 10, 2019·0 cites·9 claims
- 2458US9032779B2Gas sensorOTSUBO MASANORI·Filed 2009·Granted May 19, 2015·2 cites·8 claims
- 2558US7034253B2Ceramic heater with ring member electrically connecting the heater to lead terminal core rodNGK SPARK PLUG CO·Filed 2004·Granted Apr 25, 2006·7 cites·17 claims
- 2657US5585163ACeramic-metal composite assemblyNGK SPARK PLUG CO·Filed 1993·Granted Dec 17, 1996·14 cites·13 claims
- 2756US9733207B2Gas sensorNGK SPARK PLUG CO·Filed 2013·Granted Aug 15, 2017·0 cites·7 claims
- 2854US9995707B2Gas sensorNGK SPARK PLUG CO·Filed 2016·Granted Jun 12, 2018·0 cites·15 claims
- 2953US9964017B2Particulate collection system and particulate collection apparatusNGK SPARK PLUG CO·Filed 2016·Granted May 8, 2018·0 cites·10 claims
- 3053US5264295ACombined body of ceramics and metalNGK SPARK PLUG CO·Filed 1993·Granted Nov 23, 1993·11 cites·18 claims
- 3150US2009200164A1Gas sensorNGK SPARK PLUG CO·Filed 2009·Application pending·0 cites
- 3249US6311543B1Connection device for ceramic gas sensor elementNGK SPARK PLUG CO·Filed 1999·Granted Nov 6, 2001·13 cites·20 claims
- 3348US2009263286A1SensorISOMURA HIROSHI·Filed 2009·Application pending·0 cites
- 3445US2018291785A1Catalyst apparatus for internal combustion engineNGK SPARK PLUG CO·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →