Inventor · disambiguated record
Ei Takahashi
Also filed as: TAKAHASHI EI
19 granted patents·1 pending application·517 citations·filing 1998–2019
96Inventor score
Files withHITACHI CONSTRUCTION MACH CO7HITACHI CONSTRUCTION MACHINERY6HYODO KOJI2TAKEUCHI AKITAKA2HIRAOKA KAZUHIKO1
Top patents by PatentIndex Score
20 records- 0196US6020651AEngine control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted Feb 1, 2000·107 cites·7 claims
- 0289USD549738SWheel loaderTCM CO LTD·Filed 2005·Granted Aug 28, 2007·59 cites·1 claims
- 0387USD652061SWheel loaderHIRAOKA KAZUHIKO·Filed 2011·Granted Jan 10, 2012·41 cites·1 claims
- 0483USD652063SConsole for construction machineTAKEUCHI AKITAKA·Filed 2011·Granted Jan 10, 2012·33 cites·1 claims
- 0582USD652433SPortion of console for construction machineTAKEUCHI AKITAKA·Filed 2011·Granted Jan 17, 2012·31 cites·1 claims
- 0679USD915470SExcavatorHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Apr 6, 2021·17 cites·1 claims
- 0777USD856379SAir conditioning duct cover with monitor for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Aug 13, 2019·16 cites·1 claims
- 0877USD854587SCab for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jul 23, 2019·16 cites·1 claims
- 0975USD856380SConsole box for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Aug 13, 2019·15 cites·1 claims
- 1074US6273632B1Joint pin lock mechanism for pivotal pin jointHITACHI CONSTRUCTION MACHINERY·Filed 1999·Granted Aug 14, 2001·30 cites·7 claims
- 1173US5911506AControl system for prime mover and hydraulic pump of hydraulic construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted Jun 15, 1999·37 cites·6 claims
- 1271USD856381SConsole box for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Aug 13, 2019·12 cites·1 claims
- 1370US6230090B1Interference prevention system for two-piece boom type hydraulic excavatorHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted May 8, 2001·35 cites·13 claims
- 1467US8899129B2Steering device for construction machineISAKA WATARU·Filed 2011·Granted Dec 2, 2014·6 cites·10 claims
- 1563US5930996AAuto-acceleration system for prime mover of hydraulic construction machine and control system for prime mover and hydraulic pumpHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted Aug 3, 1999·28 cites·5 claims
- 1658USD857755SSeat for operator cab for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Aug 27, 2019·7 cites·1 claims
- 1758US8744702B2Work vehicle control deviceHYODO KOJI·Filed 2010·Granted Jun 3, 2014·2 cites·9 claims
- 1856US6164069AHydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted Dec 26, 2000·22 cites·6 claims
- 1944USD969173SPortion of a counterweight for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Nov 8, 2022·3 cites·1 claims
- 2041US2014003900A1Wheel loaderHYODO KOJI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →