Inventor · disambiguated record
Kiwamu Takahashi
Also filed as: TAKAHASHI KIWAMU
49 granted patents·11 pending applications·201 citations·filing 1999–2022
98Inventor score
Files withHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD34HITACHI CONSTRUCTION MACH CO9HITACHI CONSTRUCTION MACHINERY6TSURUGA YASUTAKA4MORI KAZUSHIGE3
Top patents by PatentIndex Score
60 records- 0196US10184228B2Hydraulic driving device of work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Jan 22, 2019·8 cites·5 claims
- 0294US11668074B2Electrically driven hydraulic construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Granted Jun 6, 2023·3 cites·8 claims
- 0394US10329739B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted Jun 25, 2019·7 cites·4 claims
- 0493US12241224B2Power-operated construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Granted Mar 4, 2025·3 cites·6 claims
- 0591US10280592B2Hydraulic drive system for electrically-operated hydraulic work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2016·Granted May 7, 2019·8 cites·5 claims
- 0689US10947702B2Hydraulic drive system for electrically driven hydraulic work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted Mar 16, 2021·4 cites·5 claims
- 0788US11377822B2Hydraulic drive apparatusHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Jul 5, 2022·4 cites·4 claims
- 0888US10100495B2Hydraulic driving system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2015·Granted Oct 16, 2018·7 cites·5 claims
- 0988US9518593B2Hydraulic drive system for construction machineMORI KAZUSHIGE·Filed 2012·Granted Dec 13, 2016·10 cites·4 claims
- 1088US9187880B2Electric drive unit for construction machineTSURUGA YASUTAKA·Filed 2012·Granted Nov 17, 2015·15 cites·2 claims
- 1185US9845589B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2013·Granted Dec 19, 2017·6 cites·7 claims
- 1284US11214940B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted Jan 4, 2022·3 cites·5 claims
- 1384US10676898B2Hydraulic drive system of work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2017·Granted Jun 9, 2020·5 cites·8 claims
- 1483US11939745B2Electrically driven construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2019·Granted Mar 26, 2024·4 cites·5 claims
- 1583US8857169B2Hydraulic drive system for construction machineTAKAHASHI KIWAMU·Filed 2009·Granted Oct 14, 2014·12 cites·8 claims
- 1682US9200431B2Hydraulic drive system for construction machineMORI KAZUSHIGE·Filed 2011·Granted Dec 1, 2015·10 cites·2 claims
- 1781US10995475B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted May 4, 2021·2 cites·13 claims
- 1879US9890801B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Feb 13, 2018·7 cites·7 claims
- 1978US10287751B2Hydraulic 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
- 2078US10060451B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted Aug 28, 2018·4 cites·2 claims
- 2178US9080481B2Construction machine hydraulic drive system having exhaust gas purifying deviceHITACHI CONSTRUCTION MACHINERY·Filed 2012·Granted Jul 14, 2015·4 cites·13 claims
- 2277US10995474B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2019·Granted May 4, 2021·2 cites·6 claims
- 2377US10215198B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted Feb 26, 2019·4 cites·6 claims
- 2476US9702379B2Hybrid working machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2013·Granted Jul 11, 2017·4 cites·3 claims
- 2575US10697150B2Hydraulic drive system for electrically-driven hydraulic work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted Jun 30, 2020·3 cites·8 claims
- 2674US9976283B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted May 22, 2018·6 cites·4 claims
- 2772US11105070B2Hydraulic work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Aug 31, 2021·1 cites·6 claims
- 2872US10655647B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2018·Granted May 19, 2020·1 cites·7 claims
- 2972US9835180B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2013·Granted Dec 5, 2017·3 cites·2 claims
- 3070US12416135B2Electrically driven hydraulic work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2019·Granted Sep 16, 2025·1 cites·3 claims
- 3170US8919109B2Hydraulic drive system for construction machine having exhaust gas purification deviceTAKAHASHI KIWAMU·Filed 2011·Granted Dec 30, 2014·3 cites·11 claims
- 3270US6651428B2Hydraulic drive deviceHITACHI CONSTRUCTION MACHINERY·Filed 2001·Granted Nov 25, 2003·13 cites·6 claims
- 3369US11149753B2Hydraulic energy recovery apparatus for working machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Oct 19, 2021·1 cites·4 claims
- 3469US9963856B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted May 8, 2018·4 cites·6 claims
- 3569US9347203B2Electric drive unit for construction machineTSURUGA YASUTAKA·Filed 2012·Granted May 24, 2016·5 cites·4 claims
- 3668US10273658B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Apr 30, 2019·2 cites·3 claims
- 3768US10107311B2Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2014·Granted Oct 23, 2018·4 cites·5 claims
- 3861US11542680B2Electric construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Granted Jan 3, 2023·0 cites·6 claims
- 3961US11454002B2Hydraulic drive system for work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2017·Granted Sep 27, 2022·1 cites·6 claims
- 4061US9485328B2Game control device, game program, game control method and game systemABE YOSUKE·Filed 2012·Granted Nov 1, 2016·2 cites·26 claims
- 4160US12473716B2Electrically driven construction machine driving systemHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Granted Nov 18, 2025·0 cites·4 claims
- 4260US2025058653A1Electrically driven work machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Application pending·0 cites
- 4358US2024384497A1Construction MachineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2022·Application pending·0 cites
- 4457US9828746B2Hydraulic driving system for construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2013·Granted Nov 28, 2017·2 cites·6 claims
- 4555US12018456B2Construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Granted Jun 25, 2024·0 cites·7 claims
- 4653US2015027112A1Hydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 2013·Application pending·0 cites
- 4752US11993918B2Electric construction machineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2021·Granted May 28, 2024·0 cites·9 claims
- 4851US2014227104A1Hydraulic drive system for electrically-operated hydraulic work machineHITACHI CONSTRUCTION MACHINERY·Filed 2012·Application pending·0 cites
- 4951US2022282457A1Construction MachineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Application pending·0 cites
- 5051US2022341126A1Construction MachineHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD·Filed 2020·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →