Inventor · disambiguated record
Yusuke Kajita
Also filed as: KAJITA YUSUKE
29 granted patents·2 pending applications·547 citations·filing 1989–2016
97Inventor score
Files withHITACHI CONSTRUCTION MACHINERY16IMURA SHINYA2ISHIDA SEIJI2KAJITA CONSTRUCTION COMPANY2ZEXEL CORP2
Top patents by PatentIndex Score
31 records- 0191US8924100B2Hybrid construction machineIMURA SHINYA·Filed 2011·Granted Dec 30, 2014·16 cites·7 claims
- 0290US5056312AHydraulic drive system for construction machinesHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Oct 15, 1991·47 cites·15 claims
- 0389US5134853AHydraulic drive system for construction machinesHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Aug 4, 1992·38 cites·10 claims
- 0487US7562615B2Hydraulic working machineHITACHI CONSTRUCTION MACHINERY·Filed 2004·Granted Jul 21, 2009·23 cites·7 claims
- 0584US5267440AHydraulic control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1991·Granted Dec 7, 1993·55 cites·14 claims
- 0681US5161373AHydraulic control valve systemZEXEL CORP·Filed 1991·Granted Nov 10, 1992·32 cites·11 claims
- 0778US8336443B2Hydraulic working machineABE TOSHIHIRO·Filed 2009·Granted Dec 25, 2012·8 cites·4 claims
- 0877US9399856B2Hydraulic working machineFUJISHIMA KAZUO·Filed 2012·Granted Jul 26, 2016·7 cites·9 claims
- 0977US5152143AHydraulic drive systemHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Oct 6, 1992·28 cites·18 claims
- 1074US9341198B2Hydraulic drive device for working machineNAKAMURA TSUYOSHI·Filed 2012·Granted May 17, 2016·6 cites·22 claims
- 1174US5186000AHydraulic drive system for construction machinesHITACHI CONSTRUCTION MACHINERY·Filed 1992·Granted Feb 16, 1993·38 cites·3 claims
- 1272US5005358AHydraulic drive system for crawler-mounted construction vehicleHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Apr 9, 1991·20 cites·5 claims
- 1370US6230090B1Interference prevention system for two-piece boom type hydraulic excavatorHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted May 8, 2001·35 cites·13 claims
- 1468US5481844AJoint part for use in wooden buildingsKAJITA CONSTRUCTION COMPANY·Filed 1993·Granted Jan 9, 1996·37 cites·4 claims
- 1567US6898932B2Hydraulic driving unitHITACHI CONSTRUCTION MACHINERY·Filed 2002·Granted May 31, 2005·11 cites·17 claims
- 1666US9421873B2Construction machineISHIDA SEIJI·Filed 2011·Granted Aug 23, 2016·5 cites·10 claims
- 1766US7127888B2Hydraulic drive unitHITACHI CONSTRUCTION MACHINERY·Filed 2003·Granted Oct 31, 2006·10 cites·16 claims
- 1864US9249879B2Hydraulic drive system for hydraulic working machineISHIKAWA KOUJI·Filed 2011·Granted Feb 2, 2016·2 cites·8 claims
- 1962US5062350AHydraulic drive system for civil engineering and construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Nov 5, 1991·25 cites·9 claims
- 2061US8950180B2Hybrid construction machineOOKI TAKATOSHI·Filed 2012·Granted Feb 10, 2015·3 cites·9 claims
- 2157US5337533AProcess for constructing a wooden buildingKAJITA CONSTRUCTION COMPANY·Filed 1992·Granted Aug 16, 1994·25 cites·4 claims
- 2257US5161575ADirection selector valve having load-sensing functionZEXEL CORP·Filed 1991·Granted Nov 10, 1992·15 cites·12 claims
- 2353US5150574AHydraulic drive system for civil engineering and construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Sep 29, 1992·18 cites·13 claims
- 2452US5203678AValve apparatus and hydraulic drive systemHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Apr 20, 1993·18 cites·15 claims
- 2551US9617715B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted Apr 11, 2017·0 cites·7 claims
- 2651US7895833B2Hydraulic drive apparatusHITACHI CONSTRUCTION MACHINERY·Filed 2004·Granted Mar 1, 2011·5 cites·8 claims
- 2751US7434394B2Hydraulic drive deviceHITACHI CONSTRUCTION MACHINERY·Filed 2004·Granted Oct 14, 2008·5 cites·14 claims
- 2849US5152140APressure compensating valve spool positioned by difference in pressure receiving areas for load and inlet pressuresHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Oct 6, 1992·15 cites·6 claims
- 2942US9020707B2Construction machine having swing bodyIMURA SHINYA·Filed 2011·Granted Apr 28, 2015·0 cites·8 claims
- 3042US2014188321A1Construction machineISHIDA SEIJI·Filed 2012·Application pending·0 cites
- 3133US2014147238A1Construction machineSASAKI MASATAKA·Filed 2011·Application pending·0 cites
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