Inventor · disambiguated record
Hirokazu Ito
Also filed as: ITO HIROKAZU
137 granted patents·20 pending applications·1,538 citations·filing 1988–2025
99Inventor score
Top patents by PatentIndex Score
157 records- 0199US10029551B2Electric work vehicle, battery pack for electric work vehicle and contactless charging systemKUBOTA KK·Filed 2016·Granted Jul 24, 2018·41 cites·15 claims
- 0298US10850622B2Electric travelling vehicle and grass mowerKUBOTA KK·Filed 2018·Granted Dec 1, 2020·14 cites·3 claims
- 0398US9949436B2Grass mower with deck-mounted electric motor and power supplyKUBOTA KK·Filed 2016·Granted Apr 24, 2018·27 cites·12 claims
- 0498US9616736B2Electric work vehicleKUBOTA KK·Filed 2015·Granted Apr 11, 2017·29 cites·9 claims
- 0598US6438282B1Optical switching device and image display deviceSEIKO EPSON CORP·Filed 2001·Granted Aug 20, 2002·190 cites·1 claims
- 0697US11485212B2Electric work vehicleKUBOTA KK·Filed 2020·Granted Nov 1, 2022·6 cites·6 claims
- 0797US10426084B2Mower capable of effectively cooling a motorKUBOTA KK·Filed 2015·Granted Oct 1, 2019·25 cites·18 claims
- 0897US8838311B2Vehicle having independently driven and controlled right and left drive wheelsKOIKE KAZUO·Filed 2012·Granted Sep 16, 2014·35 cites·4 claims
- 0997US8572939B2Working vehicleKOIKE KAZUO·Filed 2011·Granted Nov 5, 2013·50 cites·10 claims
- 1096US10038176B2Electric work vehicleKUBOTA KK·Filed 2016·Granted Jul 31, 2018·9 cites·6 claims
- 1196US10020470B2Battery pack and electric work vehicleKUBOTA KK·Filed 2015·Granted Jul 10, 2018·19 cites·12 claims
- 1296US9731760B2Traveling vehicleKUBOTA KK·Filed 2014·Granted Aug 15, 2017·27 cites·16 claims
- 1395US9656687B2Vehicle having independently driven and controlled right and left drive wheelsKUBOTA KK·Filed 2014·Granted May 23, 2017·22 cites·6 claims
- 1494US11145144B2Work vehicle and work vehicle management systemKUBOTA KK·Filed 2018·Granted Oct 12, 2021·5 cites·7 claims
- 1594US11021071B2Electric work vehicleKUBOTA KK·Filed 2019·Granted Jun 1, 2021·9 cites·9 claims
- 1694US7423746B2Circuit-pattern inspecting apparatus and methodHITACHI HIGH TECH CORP·Filed 2007·Granted Sep 9, 2008·26 cites·5 claims
- 1794US4988794APolyester resin for toner and process for its productionMITSUBISHI RAYON CO·Filed 1990·Granted Jan 29, 1991·61 cites·4 claims
- 1893US10393044B2Control device for engine and control method for engineTOYOTA MOTOR CO LTD·Filed 2017·Granted Aug 27, 2019·6 cites·5 claims
- 1993US10293853B2Vehicle having independently driven and controlled right and left drive wheelsKUBOTA KK·Filed 2017·Granted May 21, 2019·8 cites·8 claims
- 2093US9783203B2Riding work vehicleKUBOTA KK·Filed 2015·Granted Oct 10, 2017·11 cites·19 claims
- 2193US8668033B2Work vehicleKOIKE KAZUO·Filed 2011·Granted Mar 11, 2014·20 cites·9 claims
- 2293US5057596ACrosslinked polyester resin from trihydric alcoholMITSUBISHI RAYON CO·Filed 1990·Granted Oct 15, 1991·57 cites·12 claims
- 2393US4980448ACrosslinked polyester for toner and process for preparation thereofMITSUBISHI RAYON CO·Filed 1989·Granted Dec 25, 1990·65 cites·22 claims
- 2492US10493835B2Electric work vehicle, battery pack for electric work vehicle and contactless charging systemKUBOTA KK·Filed 2018·Granted Dec 3, 2019·7 cites·3 claims
- 2592US7355693B2Pattern inspection apparatusHITACHI HIGH TECH CORP·Filed 2005·Granted Apr 8, 2008·18 cites·10 claims
- 2691US11102928B2Electric work vehicle and mower unitKUBOTA KK·Filed 2018·Granted Aug 31, 2021·5 cites·6 claims
- 2791US10562567B2Work vehicleKUBOTA KK·Filed 2017·Granted Feb 18, 2020·6 cites·5 claims
- 2891US9173346B2Riding mower with blade motor controlKOIKE KAZUO·Filed 2011·Granted Nov 3, 2015·20 cites·14 claims
- 2990US11486420B2Electric work vehicleKUBOTA KK·Filed 2019·Granted Nov 1, 2022·3 cites·10 claims
- 3090US10029571B2Electric work vehicleKUBOTA KK·Filed 2016·Granted Jul 24, 2018·8 cites·7 claims
- 3189US11597275B2Work vehicleKUBOTA KK·Filed 2020·Granted Mar 7, 2023·2 cites·7 claims
- 3289US11273716B2Electric work vehicleKUBOTA KK·Filed 2019·Granted Mar 15, 2022·8 cites·10 claims
- 3389USD657739SBattery moduleMIYAWAKI YASUTAKA·Filed 2011·Granted Apr 17, 2012·51 cites·1 claims
- 3488US10538166B2Portable charger device, contactless charger system for electric work vehicle and electric grass mower machineKUBOTA KK·Filed 2016·Granted Jan 21, 2020·7 cites·6 claims
- 3588US9624880B2Intake system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2015·Granted Apr 18, 2017·3 cites·6 claims
- 3688US9216764B2Vehicle steerable by movement of center of gravityKUBOTA KK·Filed 2013·Granted Dec 22, 2015·14 cites·20 claims
- 3788US7599054B2Pattern inspection apparatusHITACHI HIGH TECH CORP·Filed 2008·Granted Oct 6, 2009·12 cites·17 claims
- 3888US7109727B2Capacitive physical quantity sensorDENSO CORP·Filed 2005·Granted Sep 19, 2006·21 cites·20 claims
- 3987US12120982B2Electric work vehicle and mower unitKUBOTA KK·Filed 2021·Granted Oct 22, 2024·2 cites·7 claims
- 4087US10602659B2Lawn mower with independent blade control during energy-saving control modeKUBOTA KK·Filed 2017·Granted Mar 31, 2020·6 cites·15 claims
- 4187US10334777B2Electric work vehicleKUBOTA KK·Filed 2017·Granted Jul 2, 2019·7 cites·7 claims
- 4286US10718260B2Exhaust gas purification apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Jul 21, 2020·4 cites·4 claims
- 4385US10821854B2Electric work vehicleKUBOTA KK·Filed 2017·Granted Nov 3, 2020·5 cites·8 claims
- 4485US10477759B2Grass mowerKUBOTA KK·Filed 2017·Granted Nov 19, 2019·5 cites·6 claims
- 4585US9699961B2Mowing vehicle including arrangement for raising/lowering height of a mower unitKUBOTA KK·Filed 2015·Granted Jul 11, 2017·7 cites·9 claims
- 4685US7287429B2Capacitive acceleration sensor systemDENSO CORP·Filed 2005·Granted Oct 30, 2007·17 cites·8 claims
- 4784US11396225B2Electric work vehicle, battery pack for electric work vehicle and contactless charging systemKUBOTA KK·Filed 2019·Granted Jul 26, 2022·3 cites·3 claims
- 4884US11069936B2Electric work vehicleKUBOTA KK·Filed 2017·Granted Jul 20, 2021·3 cites·8 claims
- 4984US10112645B2Traveling vehicleKUBOTA KK·Filed 2016·Granted Oct 30, 2018·4 cites·11 claims
- 5084US10112469B2Electric work vehicleKUBOTA KK·Filed 2016·Granted Oct 30, 2018·4 cites·18 claims
Showing the top 50 of 157 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →