Inventor · disambiguated record
Hiroyuki Azuma
Also filed as: AZUMA HIROYUKI
24 granted patents·6 pending applications·190 citations·filing 2003–2022
95Inventor score
Files withHITACHI CONSTRUCTION MACH CO5HITACHI CONSTRUCTION MACHINERY4KOBAYASHI TAKAHIRO4TOYOTA MOTOR CO LTD4AZUMA HIROYUKI3
Top patents by PatentIndex Score
30 records- 0195US9290906B2Construction machineKOBAYASHI TAKAHIRO·Filed 2012·Granted Mar 22, 2016·16 cites·3 claims
- 0294US9027697B2Construction machineKOBAYASHI TAKAHIRO·Filed 2012·Granted May 12, 2015·23 cites·2 claims
- 0393USD890200SDisplay screen with graphical user interface for a construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jul 14, 2020·58 cites·1 claims
- 0492US8516805B2Hydraulic driving device for work machineHAGIWARA NAOKI·Filed 2010·Granted Aug 27, 2013·13 cites·5 claims
- 0591US8979125B2Construction machineSATO KENSUKE·Filed 2012·Granted Mar 17, 2015·17 cites·5 claims
- 0684US9366007B2Construction machineHITACHI CONSTRUCTION MACHINERY·Filed 2013·Granted Jun 14, 2016·13 cites·8 claims
- 0782US11331605B2Urea water tank for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted May 17, 2022·4 cites·4 claims
- 0874US9458840B2Relief pressure control device for hydraulic work machineAZUMA HIROYUKI·Filed 2011·Granted Oct 4, 2016·4 cites·5 claims
- 0974US9341198B2Hydraulic drive device for working machineNAKAMURA TSUYOSHI·Filed 2012·Granted May 17, 2016·6 cites·22 claims
- 1069US8726648B2Hydraulic drive device for construction machineSATO KENSUKE·Filed 2011·Granted May 20, 2014·5 cites·2 claims
- 1169US7913801B2Steering device for construction vehicleHITACHI CONSTRUCTION MACHINERY·Filed 2008·Granted Mar 29, 2011·8 cites·3 claims
- 1267US7623856B2Method for testing communication protocol having collection of internal information of a mobile communication terminal by an external moduleNEC ELECTRONICS CORP·Filed 2003·Granted Nov 24, 2009·10 cites·19 claims
- 1362US11933022B2TractorTOYOTA MOTOR CO LTD·Filed 2022·Granted Mar 19, 2024·0 cites·5 claims
- 1462US8160778B2Steering system for engineering vehicleNAKAMURA KAZUNORI·Filed 2007·Granted Apr 17, 2012·5 cites·10 claims
- 1557US9340955B2Hydraulic control device for work vehicleSHIMAZU ATSUSHI·Filed 2011·Granted May 17, 2016·3 cites·7 claims
- 1656US7891458B2Steering system for engineering vehicleHITACHI CONSTRUCTION MACHINERY·Filed 2007·Granted Feb 22, 2011·3 cites·4 claims
- 1753US11519375B2Hybrid vehicle and method for controlling hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2021·Granted Dec 6, 2022·0 cites·4 claims
- 1851US11881062B2Control device of working vehicleTOYOTA MOTOR CO LTD·Filed 2022·Granted Jan 23, 2024·0 cites·6 claims
- 1951US9623746B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Apr 18, 2017·1 cites·4 claims
- 2048US8312793B2Hydraulic pressure supply device for industrial vehicleAZUMA HIROYUKI·Filed 2008·Granted Nov 20, 2012·1 cites·4 claims
- 2148US2009313629A1Task processing system and task processing methodNEC ELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 2245US9777611B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Oct 3, 2017·0 cites·4 claims
- 2344US2015204351A1Cooling Fan Mounting Structure for Construction MachineHITACHI CONSTRUCTION MACHINERY·Filed 2013·Application pending·0 cites
- 2442US2013276922A1Aqueous Urea Tank Structure for Construction MachineKOBAYASHI TAKAHIRO·Filed 2012·Application pending·0 cites
- 2541US2013319787A1Construction machineKOBAYASHI TAKAHIRO·Filed 2012·Application pending·0 cites
- 2639US10179581B2Hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2016·Granted Jan 15, 2019·0 cites·3 claims
- 2737US2012004814A1Engine Control Device for Work VehicleHYODO KOJI·Filed 2010·Application pending·0 cites
- 2836US2012291427A1Attachment control apparatus for hydraulic excavatorAZUMA HIROYUKI·Filed 2010·Application pending·0 cites
- 2930US8583332B2Prime mover revolution speed control system for hydraulic construction machineKANEHAMA MITSUHIKO·Filed 2011·Granted Nov 12, 2013·0 cites·4 claims
- 3029USD892835SConstruction machine information display with graphical user interfaceHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Aug 11, 2020·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Azuma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →