Assignee

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD

JP·55 granted patents·16 pending applications·153 citations·filing 2013–2023

Technology mixE02F69 F15B30 B60Y20 B60L15 B60K14 Y02T11

Top patents by PatentIndex Score

71 records

0194US11668074B2Electrically driven hydraulic construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Granted Jun 6, 2023·3 cites·8 claims
0294US9975522B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2015·Granted May 22, 2018·15 cites·1 claims
0393US12241224B2Power-operated construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Granted Mar 4, 2025·3 cites·6 claims
0491US10280592B2Hydraulic drive system for electrically-operated hydraulic work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted May 7, 2019·8 cites·5 claims
0589US10947702B2Hydraulic drive system for electrically driven hydraulic work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted Mar 16, 2021·4 cites·5 claims
0688US10100495B2Hydraulic driving system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2015·Granted Oct 16, 2018·7 cites·5 claims
0785US9845589B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2013·Granted Dec 19, 2017·6 cites·7 claims
0884US11313101B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2017·Granted Apr 26, 2022·5 cites·6 claims
0984US11214940B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted Jan 4, 2022·3 cites·5 claims
1084US10676898B2Hydraulic drive system of work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2017·Granted Jun 9, 2020·5 cites·8 claims
1184US10036136B2Small-sized hydraulic excavatorHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2017·Granted Jul 31, 2018·5 cites·5 claims
1283US11939745B2Electrically driven construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2019·Granted Mar 26, 2024·4 cites·5 claims
1379US11332911B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2017·Granted May 17, 2022·4 cites·4 claims
1478US10287751B2Hydraulic drive system for working machine including track device of crawler typeHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted May 14, 2019·3 cites·1 claims
1578US10060451B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted Aug 28, 2018·4 cites·2 claims
1677US10995474B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2019·Granted May 4, 2021·2 cites·6 claims
1777US10329736B2Grip heater apparatus for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted Jun 25, 2019·4 cites·4 claims
1877US10215198B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted Feb 26, 2019·4 cites·6 claims
1976US9702379B2Hybrid working machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2013·Granted Jul 11, 2017·4 cites·3 claims
2075US10697150B2Hydraulic drive system for electrically-driven hydraulic work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted Jun 30, 2020·3 cites·8 claims
2175US10458160B2Small-sized construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted Oct 29, 2019·4 cites·6 claims
2275US10392783B2Cylinder deviceHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted Aug 27, 2019·6 cites·4 claims
2374US11352765B2Construction machine with engine restart section and horn switch and gate lock lever operationsHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted Jun 7, 2022·2 cites·5 claims
2474US9976283B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted May 22, 2018·6 cites·4 claims
2573US10961689B2Small-sized construction machine with heat exchanger coverHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted Mar 30, 2021·3 cites·5 claims
2672US10655647B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted May 19, 2020·1 cites·7 claims
2772US9835180B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2013·Granted Dec 5, 2017·3 cites·2 claims
2870US12416135B2Electrically driven hydraulic work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2019·Granted Sep 16, 2025·1 cites·3 claims
2970US11236654B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted Feb 1, 2022·2 cites·6 claims
3070US10988914B2Hybrid work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted Apr 27, 2021·3 cites·5 claims
3169US10676897B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2019·Granted Jun 9, 2020·2 cites·3 claims
3269US9963856B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted May 8, 2018·4 cites·6 claims
3368US10107311B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted Oct 23, 2018·4 cites·5 claims
3467US11280059B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2017·Granted Mar 22, 2022·2 cites·4 claims
3567US10995473B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2019·Granted May 4, 2021·1 cites·3 claims
3667US9889750B2Electric construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2013·Granted Feb 13, 2018·4 cites·2 claims
3765US10267017B2Small-sized construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted Apr 23, 2019·2 cites·6 claims
3864US10465719B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2015·Granted Nov 5, 2019·2 cites·6 claims
3962US2026062894A1Power Feed System of Electrically Driven Construction MachineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2023·Application pending·0 cites
4062US2026042367A1Electrically Driven Construction MachineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2023·Application pending·0 cites
4161US11542680B2Electric construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Granted Jan 3, 2023·0 cites·6 claims
4261US11454002B2Hydraulic drive system for work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2017·Granted Sep 27, 2022·1 cites·6 claims
4361US2024392535A1Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2023·Application pending·0 cites
4461US2024400002A1Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2023·Application pending·0 cites
4560US12473716B2Electrically driven construction machine driving systemHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Granted Nov 18, 2025·0 cites·4 claims
4660US2024401307A1Working machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Application pending·0 cites
4760US2025058653A1Electrically driven work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Application pending·0 cites
4860US2024392540A1Electric construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Application pending·0 cites
4959US2024384506A1Cab for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Application pending·0 cites
5059US2025135924A1Electric construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Application pending·0 cites

Showing the top 50 of 71 patent records by PatentIndex Score.

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