Assignee
ATSUGI UNISIA CORP
JP·134 granted patents·1 pending application·3,671 citations·filing 1989–2003
Top patents by PatentIndex Score
135 records- 0197US5293971AShock absorber with damping valve structure having wide range variable damping characteristicsATSUGI UNISIA CORP·Filed 1993·Granted Mar 15, 1994·145 cites·8 claims
- 0297US5277283AVariable damping-characteristics shock absorber with adjustable orifice construction variable of fluid flow restriction depending upon fluid pressure differenceATSUGI UNISIA CORP·Filed 1993·Granted Jan 11, 1994·155 cites·2 claims
- 0397US5261448AVibration mode responsive variable damping force shock absorber with feature of automatic selection of damping mode depending upon vibration mode of vehicular bodyATSUGI UNISIA CORP·Filed 1992·Granted Nov 16, 1993·156 cites·2 claims
- 0497US5189998AValve mechanism of internal combustion engineATSUGI UNISIA CORP·Filed 1992·Granted Mar 2, 1993·82 cites·11 claims
- 0595US5487006ASystem for detecting road roughness for suspension control and automotive suspension control system utilizing thus detected road roughness as control parameterATSUGI UNISIA CORP·Filed 1993·Granted Jan 23, 1996·134 cites·24 claims
- 0695US5307907AHydraulic damperATSUGI UNISIA CORP·Filed 1992·Granted May 3, 1994·107 cites·12 claims
- 0794US5129488AVibration mode responsive variable damping force shock absorber with feature of automatic selection of damping mode depending upon vibration mode of vehicular bodyATSUGI UNISIA CORP·Filed 1990·Granted Jul 14, 1992·101 cites·12 claims
- 0893US5219414AVariable damping force shock absorber with stroke dependent variation characteristics of damping forceATSUGI UNISIA CORP·Filed 1991·Granted Jun 15, 1993·81 cites·12 claims
- 0993US5042624AHydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping forceATSUGI UNISIA CORP·Filed 1989·Granted Aug 27, 1991·65 cites·12 claims
- 1092US5284220APressure control valve assembly for hydraulic circuit and automotive rear wheel steering system utilizing the sameATSUGI UNISIA CORP·Filed 1992·Granted Feb 8, 1994·49 cites·12 claims
- 1192US5178242AHydraulic damperATSUGI UNISIA CORP·Filed 1991·Granted Jan 12, 1993·96 cites·12 claims
- 1292US5115892AHydraulic shock absorber with piston seal structure for enhancement of initial responseATSUGI UNISIA CORP·Filed 1989·Granted May 26, 1992·61 cites·12 claims
- 1390US5141418AVariable capacity type vane pump with a variable restriction orificeATSUGI UNISIA CORP·Filed 1991·Granted Aug 25, 1992·69 cites·7 claims
- 1489US5247914AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1992·Granted Sep 28, 1993·62 cites·4 claims
- 1589US5203289AVariable timing mechanismATSUGI UNISIA CORP·Filed 1991·Granted Apr 20, 1993·53 cites·35 claims
- 1688US5293969AElectromagnetic suspension deviceATSUGI UNISIA CORP·Filed 1992·Granted Mar 15, 1994·67 cites·11 claims
- 1785US5133434AVariable damping force shock absorber with feature of independent adjustment of damping characteristics for bounding a rebounding strokesATSUGI UNISIA CORP·Filed 1990·Granted Jul 28, 1992·51 cites·21 claims
- 1885US5088456AValve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance positionATSUGI UNISIA CORP·Filed 1991·Granted Feb 18, 1992·41 cites·9 claims
- 1983US5058539AValve timing adjusting system for internal combustion engineATSUGI UNISIA CORP·Filed 1990·Granted Oct 22, 1991·42 cites·13 claims
- 2081US5377107ASystem and method for controlling damping force characteristic of shock absorber applicable to automotive suspensionATSUGI UNISIA CORP·Filed 1991·Granted Dec 27, 1994·52 cites·12 claims
- 2181US5054813ARolling suppressive control system for automotive suspension system with enhanced response characteristicsATSUGI UNISIA CORP·Filed 1989·Granted Oct 8, 1991·43 cites·8 claims
- 2280US5188522AVane pump with a throttling groove in the rotorATSUGI UNISIA CORP·Filed 1991·Granted Feb 23, 1993·35 cites·19 claims
- 2379US5633461AMounting arrangement for acceleration detector elementATSUGI UNISIA CORP·Filed 1995·Granted May 27, 1997·33 cites·1 claims
- 2479US5263558AElectromagnetic strut assemblyATSUGI UNISIA CORP·Filed 1991·Granted Nov 23, 1993·47 cites·20 claims
- 2579US5226512AVariable damping force shock absorber with variable orifice for adjusting damping characteristicsATSUGI UNISIA CORP·Filed 1992·Granted Jul 13, 1993·39 cites·7 claims
- 2679US5203835ALock-up torque converter for automatic transmissionATSUGI UNISIA CORP·Filed 1992·Granted Apr 20, 1993·31 cites·6 claims
- 2778US5490068ASuspension control system for automotive vehicle including apparatus for controlling shock absorber damping force coefficientATSUGI UNISIA CORP·Filed 1992·Granted Feb 6, 1996·47 cites·29 claims
- 2878US5200895AAutomotive suspension system with enhanced response characteristicsATSUGI UNISIA CORP·Filed 1990·Granted Apr 6, 1993·46 cites·12 claims
- 2977US5176229AHydraulic shock absorber with a rod guide having an annular doubled wall sectionATSUGI UNISIA CORP·Filed 1990·Granted Jan 5, 1993·36 cites·18 claims
- 3076US5215165AOil pumpATSUGI UNISIA CORP·Filed 1992·Granted Jun 1, 1993·35 cites·7 claims
- 3176US5117785AValve timing control device for internal combustion engineATSUGI UNISIA CORP·Filed 1990·Granted Jun 2, 1992·26 cites·12 claims
- 3275US5285876AAdaptive damper controlATSUGI UNISIA CORP·Filed 1991·Granted Feb 15, 1994·40 cites·2 claims
- 3375US5251671APressure control valve assembly with feature of easy adjustment of set loadATSUGI UNISIA CORP·Filed 1992·Granted Oct 12, 1993·36 cites·10 claims
- 3475US5125373AOil passage structure for rocker-arm shaft for internal combustion engineATSUGI UNISIA CORP·Filed 1991·Granted Jun 30, 1992·28 cites·6 claims
- 3574US5546644AMethod of making an acceleration sensorATSUGI UNISIA CORP·Filed 1995·Granted Aug 20, 1996·27 cites·9 claims
- 3674US5224573AHydraulic damperATSUGI UNISIA CORP·Filed 1991·Granted Jul 6, 1993·40 cites·14 claims
- 3774US5178243AHydraulic damperATSUGI UNISIA CORP·Filed 1991·Granted Jan 12, 1993·36 cites·13 claims
- 3873US5398184AApparatus for controlling damping coefficient of vehicular shock absorberATSUGI UNISIA CORP·Filed 1992·Granted Mar 14, 1995·37 cites·43 claims
- 3972US5548999AMounting arrangement for acceleration detector elementATSUGI UNISIA CORP·Filed 1992·Granted Aug 27, 1996·23 cites·23 claims
- 4071US5245889AFlywheelATSUGI UNISIA CORP·Filed 1992·Granted Sep 21, 1993·30 cites·2 claims
- 4171US5156119AValve timing control apparatusATSUGI UNISIA CORP·Filed 1991·Granted Oct 20, 1992·26 cites·3 claims
- 4270US5415061AFlywheel for power transmission system having equiangularly spaced dashpotsATSUGI UNISIA CORP·Filed 1994·Granted May 16, 1995·22 cites·7 claims
- 4370US5246092AVehicle hydraulic shock absorber having low friction sealATSUGI UNISIA CORP·Filed 1992·Granted Sep 21, 1993·28 cites·5 claims
- 4470US5066075AIntegrated actuator unit for anti-skid brake control system for automotive vehicleATSUGI UNISIA CORP·Filed 1989·Granted Nov 19, 1991·16 cites·18 claims
- 4570US5058489APiston structure for internal combustion engineATSUGI UNISIA CORP·Filed 1990·Granted Oct 22, 1991·36 cites·4 claims
- 4669US5303764ADie for forming aluminum silicon alloyATSUGI UNISIA CORP·Filed 1992·Granted Apr 19, 1994·9 cites·2 claims
- 4769US5203290AIntake and/or exhaust-valve timing control sytem for internal combustion engineATSUGI UNISIA CORP·Filed 1992·Granted Apr 20, 1993·27 cites·6 claims
- 4867US5263442AValve timing control apparatusATSUGI UNISIA CORP·Filed 1992·Granted Nov 23, 1993·25 cites·2 claims
- 4966US5297516AValve actuating apparatusATSUGI UNISIA CORP·Filed 1992·Granted Mar 29, 1994·22 cites·26 claims
- 5066US5063893APiston structure for internal combustion engineATSUGI UNISIA CORP·Filed 1990·Granted Nov 12, 1991·21 cites·7 claims
Showing the top 50 of 135 patent records by PatentIndex Score.
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