Inventor · disambiguated record
Tomoaki Kato
Also filed as: KATO TOMOAKI
115 granted patents·5 pending applications·890 citations·filing 1985–2020
99Inventor score
Top patents by PatentIndex Score
120 records- 0197US7321187B2Spark plug and method for manufacturing the spark plugNGK SPARK PLUG CO·Filed 2006·Granted Jan 22, 2008·30 cites·9 claims
- 0296US7305954B2Plasma-jet spark plug and ignition systemNGK SPARK PLUG CO·Filed 2007·Granted Dec 11, 2007·31 cites·4 claims
- 0395US8744219B2Optical modulator module and method for modulating optical signalKATO TOMOAKI·Filed 2012·Granted Jun 3, 2014·17 cites·31 claims
- 0495US8217561B2Spark plug having laminated ground electrodeFUKUZAWA REIMON·Filed 2008·Granted Jul 10, 2012·33 cites·6 claims
- 0595US7084558B2Spark plug and method for manufacturing the spark plugNGK SPARK PLUG CO·Filed 2003·Granted Aug 1, 2006·46 cites·9 claims
- 0693US8600198B2Semiconductor optical modulator, semiconductor optical integrated device, and method of manufacturing the sameSUDO SHINYA·Filed 2010·Granted Dec 3, 2013·14 cites·8 claims
- 0791US8098004B2Method for producing spark plug and spark plugKATO TOMOAKI·Filed 2010·Granted Jan 17, 2012·6 cites·10 claims
- 0890US8082897B2Plasma jet ignition plug and ignition device for the sameKATO TOMOAKI·Filed 2008·Granted Dec 27, 2011·12 cites·7 claims
- 0989US8203258B2Spark plug for low temperature environmentKAMEDA HIROYUKI·Filed 2009·Granted Jun 19, 2012·11 cites·6 claims
- 1089US6238100B1Optical module and a method for fabricating a sameNEC CORP·Filed 1999·Granted May 29, 2001·90 cites·23 claims
- 1187US11285933B2Vehicle drive deviceJTEKT CORP·Filed 2020·Granted Mar 29, 2022·2 cites·2 claims
- 1287US8212462B2Spark plug and manufacturing method thereforKATO TOMOAKI·Filed 2009·Granted Jul 3, 2012·10 cites·15 claims
- 1386US8138660B2Plasma jet spark plugNAKAMURA TORU·Filed 2010·Granted Mar 20, 2012·4 cites·6 claims
- 1486US8052495B2Method for producing spark plug by projection welding and spark plug thereofNGK SPARK PLUG CO·Filed 2008·Granted Nov 8, 2011·8 cites·7 claims
- 1585US10931087B2Ignition plug, control system, internal combustion engine, and internal combustion engine systemNGK SPARK PLUG CO·Filed 2017·Granted Feb 23, 2021·2 cites·6 claims
- 1685US10079476B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Sep 18, 2018·2 cites·3 claims
- 1785US5877584ASpark plug for an internal combustion engineNGK SPARK PLUG CO·Filed 1997·Granted Mar 2, 1999·40 cites·8 claims
- 1884US9217883B2Optical modulator module, integrated circuit for driving optical modulator, and method for modulating optical signalKATO TOMOAKI·Filed 2012·Granted Dec 22, 2015·4 cites·17 claims
- 1984US8620546B2Drive state control apparatus for vehicleKOBAYASHI KAZUTAKA·Filed 2011·Granted Dec 31, 2013·10 cites·9 claims
- 2084US8427038B2Spark plug and process for producing sameTAIDO AKIKAZU·Filed 2009·Granted Apr 23, 2013·7 cites·8 claims
- 2183US5403995AImage fixing apparatus having image fixing roller with electrolytically colored metal coreCANON KK·Filed 1993·Granted Apr 4, 1995·27 cites·16 claims
- 2282US7772752B2Plasma-jet spark plugNGK SPARK PLUG CO·Filed 2008·Granted Aug 10, 2010·7 cites·7 claims
- 2381US8306375B2Wavelength-tunable optical transmitterKATO TOMOAKI·Filed 2009·Granted Nov 6, 2012·6 cites·8 claims
- 2481US7808250B2Test method and apparatus for spark plug insulatorNGK SPARK PLUG CO·Filed 2008·Granted Oct 5, 2010·7 cites·9 claims
- 2581US7557496B2Spark plug which can prevent lateral sparkingNGK SPARK PLUG CO·Filed 2006·Granted Jul 7, 2009·7 cites·6 claims
- 2681US6611084B2Spark plugNGK SPARK PLUG CO·Filed 2002·Granted Aug 26, 2003·19 cites·5 claims
- 2781US5135606AProcess for preparing electrical connecting memberCANON KK·Filed 1990·Granted Aug 4, 1992·73 cites·63 claims
- 2880US9252569B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Feb 2, 2016·3 cites·7 claims
- 2979US8257127B2Method for manufacturing ignition plugNAKAMURA TORU·Filed 2009·Granted Sep 4, 2012·5 cites·15 claims
- 3077US7132782B2Spark plug and method of producing spark plugNGK SPARK PLUG CO·Filed 2001·Granted Nov 7, 2006·14 cites·22 claims
- 3176US9598069B2Device and method for controlling limited slip differentialJTEKT CORP·Filed 2015·Granted Mar 21, 2017·3 cites·11 claims
- 3275US8300991B2Waveguide-type semiconductor optical modulator and method for manufacturing the sameKATO TOMOAKI·Filed 2009·Granted Oct 30, 2012·4 cites·11 claims
- 3375US8188640B2Spark plug center electrode with reduced cover portion thicknessSUZUKI AKIRA·Filed 2010·Granted May 29, 2012·2 cites·6 claims
- 3475US7830580B2Semiconductor optical modulatorNEC CORP·Filed 2008·Granted Nov 9, 2010·4 cites·11 claims
- 3574US8476817B2Spark plugMIYASHITA NAOMICHI·Filed 2010·Granted Jul 2, 2013·3 cites·6 claims
- 3673US8723406B2Spark plugKATO TOMOAKI·Filed 2010·Granted May 13, 2014·2 cites·5 claims
- 3772US8215277B2Spark plugSUZUKI AKIRA·Filed 2009·Granted Jul 10, 2012·4 cites·4 claims
- 3872US7553257B2Drive force distribution device and method for distributing drive forceJTEKT CORP·Filed 2006·Granted Jun 30, 2009·10 cites·10 claims
- 3971US10082623B2Rib type optical waveguide and optical multiplexer / demultiplexer using sameNEC CORP·Filed 2015·Granted Sep 25, 2018·2 cites·11 claims
- 4071US8896192B2Spark plug and method of manufacturing the sameKATO TOMOAKI·Filed 2010·Granted Nov 25, 2014·2 cites·11 claims
- 4171US8562859B2Voltage nonlinear resistor, lightning arrester equipped with voltage nonlinear resistor, and process for producing voltage nonlinear resistorKATO TOMOAKI·Filed 2008·Granted Oct 22, 2013·5 cites·8 claims
- 4270US10527112B2Driving force transmission control apparatusJTEKT CORP·Filed 2018·Granted Jan 7, 2020·1 cites·5 claims
- 4370US9306375B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Apr 5, 2016·2 cites·16 claims
- 4470US8498501B2Semiconductor optical modulator and semiconductor mach-zehnder optical modulatorSATO KENJI·Filed 2010·Granted Jul 30, 2013·1 cites·11 claims
- 4570US7666047B2Method for securing a metal noble tip to an electrode of a spark plug using a resistance and laser welding processNGK SPARK PLUG CO·Filed 2004·Granted Feb 23, 2010·12 cites·12 claims
- 4669US11011440B2Semiconductor element bonding body, semiconductor device, and method of manufacturing semiconductor element bonding bodyMITSUBISHI ELECTRIC CORP·Filed 2017·Granted May 18, 2021·1 cites·6 claims
- 4769US10550897B2Driving force transmission control apparatusJTEKT CORP·Filed 2018·Granted Feb 4, 2020·1 cites·5 claims
- 4869US9143237B2Optical modulator module and modulation method for optical signalKATO TOMOAKI·Filed 2012·Granted Sep 22, 2015·1 cites·11 claims
- 4969US7839065B2Plasma jet spark plug and manufacturing method thereforNGK SPARK PLUG CO·Filed 2008·Granted Nov 23, 2010·3 cites·5 claims
- 5069US7145287B2Spark plug having noble metal tipNGK SPARK PLUG CO·Filed 2004·Granted Dec 5, 2006·11 cites·7 claims
Showing the top 50 of 120 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →