Inventor · disambiguated record
Kazuo Fujishima
Also filed as: FUJISHIMA KAZUO
32 granted patents·4 pending applications·1,075 citations·filing 1991–2017
98Inventor score
Files withHITACHI CONSTRUCTION MACHINERY23HITACHI CONSTRUCTION MACH CO3FUJISHIMA KAZUO2HIJIKATA SEIJI1IMURA SHINYA1
Top patents by PatentIndex Score
36 records- 0195US5835874ARegion limiting excavation control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1995·Granted Nov 10, 1998·117 cites·34 claims
- 0292US6782644B2Remote control system and remote setting system for construction machineryHITACHI CONSTRUCTION MACHINERY·Filed 2002·Granted Aug 31, 2004·67 cites·20 claims
- 0391US8924100B2Hybrid construction machineIMURA SHINYA·Filed 2011·Granted Dec 30, 2014·16 cites·7 claims
- 0491US6532409B1Target excavation surface setting device for excavation machine, recording medium therefor and display unitHITACHI CONSTRUCTION MACHINERY·Filed 2000·Granted Mar 11, 2003·54 cites·11 claims
- 0591US6076029ASlope excavation controller of hydraulic shovel, target slope setting device and slope excavation forming methodHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted Jun 13, 2000·80 cites·13 claims
- 0690US8659177B2Motive power regeneration system for working machineFUJISHIMA KAZUO·Filed 2012·Granted Feb 25, 2014·16 cites·5 claims
- 0790US5968104AFront control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Oct 19, 1999·76 cites·13 claims
- 0889US6766600B2Display device and display controller of construction machineryHITACHI CONSTRUCTION MACHINERY·Filed 2001·Granted Jul 27, 2004·47 cites·9 claims
- 0989US5701691ARegion limiting excavation control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1995·Granted Dec 30, 1997·74 cites·21 claims
- 1088US6169948B1Front control system, area setting method and control panel for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Jan 2, 2001·63 cites·24 claims
- 1187US7532967B2Excavation teaching apparatus for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 2003·Granted May 12, 2009·39 cites·15 claims
- 1285US8204655B2Construction machineTOMITA KUNITSUGU·Filed 2010·Granted Jun 19, 2012·12 cites·6 claims
- 1385US6275757B1Device for controlling limited-area excavation with construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted Aug 14, 2001·57 cites·8 claims
- 1484US5735065AArea limiting excavation control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1996·Granted Apr 7, 1998·55 cites·24 claims
- 1580US9863124B2Construction machineryHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Jan 9, 2018·7 cites·11 claims
- 1680US5752333AArea limiting excavation control system for construction machinesHITACHI CONSTRUCTION MACHINERY·Filed 1996·Granted May 19, 1998·48 cites·10 claims
- 1779US9816252B2Hydraulic work machineHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Nov 14, 2017·7 cites·7 claims
- 1879US9284718B2Power regeneration device for operating machineHIJIKATA SEIJI·Filed 2012·Granted Mar 15, 2016·9 cites·7 claims
- 1979US8874327B2Control device for hybrid construction machineryISHIHARA SHINJI·Filed 2012·Granted Oct 28, 2014·8 cites·8 claims
- 2077US9399856B2Hydraulic working machineFUJISHIMA KAZUO·Filed 2012·Granted Jul 26, 2016·7 cites·9 claims
- 2177US5960378AExcavation area setting system for area limiting excavation control in construction machinesHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Sep 28, 1999·44 cites·6 claims
- 2273US8137047B2Double-arm working machineISHII AKINORI·Filed 2007·Granted Mar 20, 2012·12 cites·5 claims
- 2373US5822891AWork area limitation control system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1996·Granted Oct 20, 1998·38 cites·12 claims
- 2470US5918527ALocus control system for construction machinesHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Jul 6, 1999·34 cites·19 claims
- 2567US7831362B2Position measuring system for working machineHITACHI CONSTRUCTION MACHINERY·Filed 2003·Granted Nov 9, 2010·24 cites·8 claims
- 2666US9421873B2Construction machineISHIDA SEIJI·Filed 2011·Granted Aug 23, 2016·5 cites·10 claims
- 2766US5887365AFront control system for construction machine and oil temperature indicatorHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Mar 30, 1999·30 cites·10 claims
- 2854US6430490B1Hydraulic circuit control device of construction machineryHITACHI CONSTRUCTION MACHINERY·Filed 2000·Granted Aug 6, 2002·9 cites·6 claims
- 2946US2008097673A1Construction MachineHITACHI CONSTRUCTION MACHINERY·Filed 2007·Application pending·0 cites
- 3045US5211059AAcoustic microscope systemHITACHI CONSTRUCTION MACHINERY·Filed 1991·Granted May 18, 1993·20 cites·24 claims
- 3145US2013312399A1System for driving working machineHITACHI CONSTRUCTION MACHINERY·Filed 2013·Application pending·0 cites
- 3243US2014283508A1Drive system for hydraulic closed circuitHITACHI CONSTRUCTION MACHINERY·Filed 2012·Application pending·0 cites
- 3342US9212469B2Work machineHITACHI CONSTRUCTION MACHINERY·Filed 2012·Granted Dec 15, 2015·0 cites·3 claims
- 3442US8938338B2System for controlling construction machineSAKURAI KOHEI·Filed 2012·Granted Jan 20, 2015·0 cites·2 claims
- 3536US11640425B2Inspection support system for construction machine, management server, and inspection report creation systemHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted May 2, 2023·0 cites·6 claims
- 3633US2014147238A1Construction machineSASAKI MASATAKA·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →