Assignee
HITACHI UNISIA AUTOMOTIVE LTD
JP·46 granted patents·10 pending applications·436 citations·filing 2002–2005
Top patents by PatentIndex Score
56 records- 0189US6711482B2Vehicular suspension rigidity controlling apparatus and method with roll-over preventive featureHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Mar 23, 2004·42 cites·14 claims
- 0284US6805081B2Valve timing control device for internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Oct 19, 2004·26 cites·18 claims
- 0380US6848439B2Air-fuel ratio control apparatus, air-fuel ratio detecting apparatus and methods thereof for engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Feb 1, 2005·24 cites·24 claims
- 0473US6684837B2Control apparatus of variable valve timing mechanism and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Feb 3, 2004·12 cites·20 claims
- 0572US6865470B2Traction distribution control system for four-wheel drive vehicleHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Mar 8, 2005·11 cites·21 claims
- 0671US6835054B2Oil pumpHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Granted Dec 28, 2004·12 cites·20 claims
- 0771US6691654B2Valve-lash adjuster equipped valve operating device for internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Feb 17, 2004·12 cites·20 claims
- 0870US6851409B2Apparatus and method for controlling intake air amount of internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Feb 8, 2005·16 cites·52 claims
- 0970US6805157B2Structure for fixing check valveHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Oct 19, 2004·15 cites·7 claims
- 1067US6915690B2Fuel gaugeHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Granted Jul 12, 2005·13 cites·9 claims
- 1167US6848890B2Pump assemblyHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Feb 1, 2005·9 cites·17 claims
- 1267US6792923B2Fuel supply system for vehicleHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Sep 21, 2004·11 cites·15 claims
- 1366US6836090B2Brushless motor control systemHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Dec 28, 2004·17 cites·15 claims
- 1465US6612274B2Variable valve control apparatus for internal combustion engine and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Sep 2, 2003·9 cites·19 claims
- 1564US7249808B2Brake liquid pressure control unit of on-vehicle device and its manufacturing methodHITACHI UNISIA AUTOMOTIVE LTD·Filed 2005·Granted Jul 31, 2007·3 cites·11 claims
- 1663US6837200B2Valve timing control system for internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Jan 4, 2005·9 cites·20 claims
- 1763US6785601B2Air-fuel ratio control apparatus of internal combustion engine and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Aug 31, 2004·12 cites·24 claims
- 1863US6694935B2Valve mechanism of internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Feb 24, 2004·8 cites·15 claims
- 1962US7168638B2Fuel injection valveHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Granted Jan 30, 2007·9 cites·5 claims
- 2061US6854262B2Air-fuel ratio control apparatus of internal combustion engine and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Feb 15, 2005·11 cites·17 claims
- 2161US6802289B2Valve timing control system for internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Oct 12, 2004·10 cites·21 claims
- 2260US6874710B2Fuel injection valveHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Apr 5, 2005·9 cites·19 claims
- 2360US6776130B2Control apparatus of variable valve timing mechanism and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Aug 17, 2004·7 cites·17 claims
- 2458US6857314B2System for detecting remaining amount of liquid in tankHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Feb 22, 2005·10 cites·10 claims
- 2558US6796764B2Turbine fuel pumpHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Sep 28, 2004·10 cites·17 claims
- 2657US6722325B2Variable valve control apparatus for engine and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Apr 20, 2004·6 cites·19 claims
- 2756US6845741B2Piston for an internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Jan 25, 2005·7 cites·7 claims
- 2856US6843338B2Traction distribution control system for four-wheel drive vehicleHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Jan 18, 2005·11 cites·16 claims
- 2956US6819118B2Sensing deviceHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Nov 16, 2004·8 cites·12 claims
- 3055US6736465B2System for estimating brake-fluid pressureHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted May 18, 2004·4 cites·12 claims
- 3155US6685279B2Brake control systemHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Feb 3, 2004·6 cites·10 claims
- 3254US7191054B2Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanisms and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Granted Mar 13, 2007·5 cites·14 claims
- 3354US6974302B2Turbine fuel pumpHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Dec 13, 2005·6 cites·13 claims
- 3454US6843235B2Fuel supply unitHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Jan 18, 2005·5 cites·28 claims
- 3554US6814689B2Hydraulic control apparatus of automatic transmission and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Nov 9, 2004·6 cites·20 claims
- 3654US6675754B2Valve timing control apparatusHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Jan 13, 2004·6 cites·24 claims
- 3752US6863050B2Apparatus and method for controlling intake air amount of internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Mar 8, 2005·10 cites·15 claims
- 3850US6755084B2Pressure sensor and method of manufacturing pressure sensorHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Jun 29, 2004·6 cites·25 claims
- 3950US6672264B2Valve timing control device of internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Jan 6, 2004·4 cites·20 claims
- 4049US6843230B2Control apparatus and control method of internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Jan 18, 2005·6 cites·18 claims
- 4148US6860245B2Control apparatus of variable valve timing mechanism and method thereofHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Mar 1, 2005·3 cites·20 claims
- 4247US7355390B2Rotation angle sensorHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Granted Apr 8, 2008·3 cites·16 claims
- 4345US6728627B2Apparatus and method for measuring intake air flow amount of internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Apr 27, 2004·4 cites·21 claims
- 4444US6851507B2Power steering systemHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Granted Feb 8, 2005·3 cites·15 claims
- 4543US2005021214A1Exhaust component concentration detecting apparatus for internal combustion engine and heating method of exhaust component concentration detectorHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Application pending·0 cites
- 4639US2003197143A1Solenoid valveHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Application pending·0 cites
- 4739US2003215349A1Production method of high density iron based forged partHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Application pending·0 cites
- 4839US2004231416A1Fuel gaugeHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Application pending·0 cites
- 4938US2005056089A1Air transfer apparatus and control method of air transfer apparatusHITACHI UNISIA AUTOMOTIVE LTD·Filed 2004·Application pending·0 cites
- 5037US6799111B2Control apparatus and control method of automatic transmission for vehicleHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Sep 28, 2004·0 cites·16 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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