Inventor · disambiguated record
Kenji Hiraku
Also filed as: HIRAKU KENJI
53 granted patents·7 pending applications·491 citations·filing 1995–2021
98Inventor score
Top patents by PatentIndex Score
60 records- 0197US9845813B2Driving device for work machine and work machine equipped therewithHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Dec 19, 2017·25 cites·3 claims
- 0295US7063785B2Pump for liquid chromatographyHITACHI HIGH TECH CORP·Filed 2004·Granted Jun 20, 2006·67 cites·10 claims
- 0393US11499296B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Nov 15, 2022·4 cites·3 claims
- 0493US11118328B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Sep 14, 2021·8 cites·7 claims
- 0593US9879405B2Hydraulic driving systemHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Jan 30, 2018·7 cites·4 claims
- 0693US9593657B2Drive unit of fuel injection deviceKUSAKABE RYO·Filed 2011·Granted Mar 14, 2017·11 cites·18 claims
- 0792US9938691B2Hydraulic system for work machineHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Apr 10, 2018·10 cites·5 claims
- 0891US11319693B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted May 3, 2022·4 cites·5 claims
- 0990US11111651B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Sep 7, 2021·5 cites·5 claims
- 1090US6923916B1Liquid chromatograph pump and control method thereforHITACHI HIGH TECH CORP·Filed 2003·Granted Aug 2, 2005·32 cites·1 claims
- 1190US6725837B2Fuel supply systemHITACHI LTD·Filed 2002·Granted Apr 27, 2004·40 cites·15 claims
- 1289US6701898B2Fuel supply apparatus and method of control thereofHITACHI LTD·Filed 2001·Granted Mar 9, 2004·31 cites·14 claims
- 1388US10829908B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Nov 10, 2020·4 cites·7 claims
- 1488US6651630B2High pressure fuel pumpHITACHI LTD·Filed 2002·Granted Nov 25, 2003·31 cites·10 claims
- 1587US10415215B2Drive system for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Sep 17, 2019·6 cites·5 claims
- 1687US10184225B2Working machineHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Jan 22, 2019·6 cites·2 claims
- 1787US6505608B2Fuel supply systemHITACHI LTD·Filed 2001·Granted Jan 14, 2003·34 cites·6 claims
- 1886US5884597AFuel feeding apparatus for internal combustion engine and vehicle using the fuel feeding apparatusHITACHI LTD·Filed 1997·Granted Mar 23, 1999·58 cites·14 claims
- 1985US9506480B2Apparatus for driving work machineHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Nov 29, 2016·10 cites·2 claims
- 2085US7850255B2Electro-mechanical brake system and electro-mechanical brake apparatus used thereforHITACHI LTD·Filed 2006·Granted Dec 14, 2010·11 cites·5 claims
- 2183US10907666B2Hydraulic drive systemHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted Feb 2, 2021·3 cites·10 claims
- 2282US9783960B2Driving device for work machineHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Oct 10, 2017·5 cites·5 claims
- 2381US9410543B2Pump for liquid chromatograph, and liquid chromatographTOKUO KENICHIRO·Filed 2011·Granted Aug 9, 2016·6 cites·17 claims
- 2478US9683588B2Hydraulic closed circuit systemHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Jun 20, 2017·4 cites·14 claims
- 2577US10947699B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Mar 16, 2021·3 cites·8 claims
- 2674US7588423B2Pump for liquid chromatographHITACHI HIGH TECH CORP·Filed 2003·Granted Sep 15, 2009·11 cites·4 claims
- 2774US5699693AWidthwise compressing machine and method using vibrations to reduce material widthHITACHI LTD·Filed 1995·Granted Dec 23, 1997·13 cites·31 claims
- 2873US8567279B2Mechanism for converting rotary motion into linear motionSETO SHINJI·Filed 2010·Granted Oct 29, 2013·4 cites·5 claims
- 2972US10655740B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted May 19, 2020·2 cites·5 claims
- 3072US10378185B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Aug 13, 2019·2 cites·2 claims
- 3170US10914053B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Feb 9, 2021·2 cites·4 claims
- 3270US8581527B2Mechanism for converting rotary motion into linear motion and lifting deviceSETO SHINJI·Filed 2011·Granted Nov 12, 2013·3 cites·6 claims
- 3369US10900435B2Drive unit of fuel injection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Jan 26, 2021·0 cites·4 claims
- 3467US11946224B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Apr 2, 2024·0 cites·5 claims
- 3567US10858805B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Dec 8, 2020·1 cites·5 claims
- 3666US10889964B2Drive system for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jan 12, 2021·1 cites·4 claims
- 3765US10280862B2Drive unit of fuel injection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted May 7, 2019·0 cites·10 claims
- 3865US8573088B2Mechanism for converting rotational motion to linear motionOKAMOTO YOSHIO·Filed 2011·Granted Nov 5, 2013·2 cites·8 claims
- 3964US8551423B2Liquid supply device using check valve and reactive liquid chromatography systemDEGUCHI KISABURO·Filed 2010·Granted Oct 8, 2013·1 cites·13 claims
- 4062US7789642B2Gear pump and method of producing the sameHITACHI LTD·Filed 2005·Granted Sep 7, 2010·2 cites·18 claims
- 4161US7063513B2Liquid chromatograph pump with dual cylinders and dual plungersHITACHI HIGH TECH CORP·Filed 2004·Granted Jun 20, 2006·5 cites·21 claims
- 4258US10370824B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Aug 6, 2019·1 cites·3 claims
- 4357US8885843B2Sound generatorSETO SHINJI·Filed 2011·Granted Nov 11, 2014·2 cites·11 claims
- 4454US12104349B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Oct 1, 2024·0 cites·4 claims
- 4552US12000118B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Jun 4, 2024·0 cites·4 claims
- 4652US6047684AGear pump and fuel transfer system using the gear pumpFiled 1998·Granted Apr 11, 2000·14 cites·15 claims
- 4752US2012012425A1Linear actuator and forklift truckHAYASE ISAO·Filed 2009·Application pending·0 cites
- 4850US11970838B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Apr 30, 2024·0 cites·2 claims
- 4948US12043983B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jul 23, 2024·0 cites·8 claims
- 5048US12018458B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jun 25, 2024·0 cites·4 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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