Inventor · disambiguated record
Nobuhiko Ichiki
Also filed as: ICHIKI NOBUHIKO
9 granted patents·250 citations·filing 1983–2005
90Inventor score
Files withHITACHI CONSTRUCTION MACHINERY9
Top patents by PatentIndex Score
9 records- 0193US4706932AFluid control valve apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1983·Granted Nov 17, 1987·79 cites·20 claims
- 0288US4919390ASolenoid operated valve apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1988·Granted Apr 24, 1990·42 cites·4 claims
- 0386US7265304B2Joystick for electro-hydraulic control systemHITACHI CONSTRUCTION MACHINERY·Filed 2005·Granted Sep 4, 2007·24 cites·9 claims
- 0478US5921165AHydraulic control systemHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Jul 13, 1999·29 cites·8 claims
- 0564US5485724AHydraulic drive systemHITACHI CONSTRUCTION MACHINERY·Filed 1993·Granted Jan 23, 1996·19 cites·5 claims
- 0663US6327959B1Directional control valve deviceHITACHI CONSTRUCTION MACHINERY·Filed 1999·Granted Dec 11, 2001·23 cites·3 claims
- 0755US5957159ADirectional control valve with flow distribution valvesHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted Sep 28, 1999·12 cites·10 claims
- 0846US5301920AHigh-speed solenoid valve apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Apr 12, 1994·14 cites·5 claims
- 0945US6135149APressure compensating valvesHITACHI CONSTRUCTION MACHINERY·Filed 1999·Granted Oct 24, 2000·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →