Assignee
ZEXEL CORP
JP·381 granted patents·11,590 citations·filing 1990–2000
Top patents by PatentIndex Score
381 records- 0198US5608635ANavigation system for a vehicle with route recalculation between multiple locationsZEXEL CORP·Filed 1994·Granted Mar 4, 1997·340 cites·27 claims
- 0297US5203407AVehicle-loaded parallel flow type heat exchangerZEXEL CORP·Filed 1991·Granted Apr 20, 1993·133 cites·9 claims
- 0396US5199855AVariable capacity compressor having a capacity control system using an electromagnetic valveZEXEL CORP·Filed 1991·Granted Apr 6, 1993·93 cites·2 claims
- 0495US5311434AVehicle navigation systemZEXEL CORP·Filed 1992·Granted May 10, 1994·166 cites·9 claims
- 0594US5558068ASolenoid valve unit for fuel injection apparatusZEXEL CORP·Filed 1995·Granted Sep 24, 1996·83 cites·24 claims
- 0694US5508931ARoute guidance on/off-route state filterZEXEL CORP·Filed 1994·Granted Apr 16, 1996·403 cites·18 claims
- 0794US5291412ANavigation systemZEXEL CORP·Filed 1992·Granted Mar 1, 1994·132 cites·15 claims
- 0894US5228315ACondenser having a receiver tank formed integrally therewithZEXEL CORP·Filed 1991·Granted Jul 20, 1993·100 cites·16 claims
- 0993US5440484ACalibration method for a relative heading sensorZEXEL CORP·Filed 1994·Granted Aug 8, 1995·126 cites·8 claims
- 1093US5374933APosition correction method for vehicle navigation systemZEXEL CORP·Filed 1993·Granted Dec 20, 1994·240 cites·26 claims
- 1193US5182459AControl system for vehicle safety deviceZEXEL CORP·Filed 1991·Granted Jan 26, 1993·104 cites·8 claims
- 1293US5159821AReceiver tankZEXEL CORP·Filed 1991·Granted Nov 3, 1992·98 cites·11 claims
- 1392US6375436B1Hybrid compressor having two drive sourcesZEXEL CORP·Filed 1999·Granted Apr 23, 2002·84 cites·11 claims
- 1492US6024536ADevice for introducing and discharging cooling airZEXEL CORP·Filed 1997·Granted Feb 15, 2000·84 cites·24 claims
- 1592US5359529ARoute guidance on/off-route state filterZEXEL CORP·Filed 1992·Granted Oct 25, 1994·179 cites·23 claims
- 1692US5345382ACalibration method for a relative heading sensorZEXEL CORP·Filed 1992·Granted Sep 6, 1994·114 cites·14 claims
- 1792US5245422ASystem and method for automatically steering a vehicle within a lane in a roadZEXEL CORP·Filed 1991·Granted Sep 14, 1993·669 cites·27 claims
- 1891US6082197AAcceleration sensorZEXEL CORP·Filed 1997·Granted Jul 4, 2000·111 cites·6 claims
- 1991US5783917AMethod and device for driving DC brushless motorZEXEL CORP·Filed 1996·Granted Jul 21, 1998·88 cites·5 claims
- 2091US5626121AFuel pump for high-pressure fuel injection systemZEXEL CORP·Filed 1995·Granted May 6, 1997·63 cites·10 claims
- 2191US5515283AMethod for identifying highway access ramps for route calculation in a vehicle navigation systemZEXEL CORP·Filed 1994·Granted May 7, 1996·114 cites·12 claims
- 2291US5283575ASystem and method for locating a travelling vehicleZEXEL CORP·Filed 1991·Granted Feb 1, 1994·119 cites·4 claims
- 2391US5262775ANavigation system with off-route detection and route recalculationZEXEL CORP·Filed 1992·Granted Nov 16, 1993·110 cites·7 claims
- 2490US5205349AHeat exchanger bracket mounting structureZEXEL CORP·Filed 1992·Granted Apr 27, 1993·83 cites·20 claims
- 2588US6287081B1Control apparatus for hybrid compressorZEXEL CORP·Filed 1999·Granted Sep 11, 2001·71 cites·20 claims
- 2688US5946940ATank aggregate body of receiver tankZEXEL CORP·Filed 1998·Granted Sep 7, 1999·51 cites·11 claims
- 2788USD397046SHousing for a vehicle navigation assistance deviceZEXEL CORP·Filed 1997·Granted Aug 18, 1998·33 cites·1 claims
- 2888US5712788AIncremental route calculationZEXEL CORP·Filed 1995·Granted Jan 27, 1998·154 cites·14 claims
- 2988US5605191AHeat exchangerZEXEL CORP·Filed 1996·Granted Feb 25, 1997·59 cites·12 claims
- 3088US5550538ANavigation systemZEXEL CORP·Filed 1994·Granted Aug 27, 1996·83 cites·11 claims
- 3188USD364840SConsole for vehicle navigation systemZEXEL CORP·Filed 1993·Granted Dec 5, 1995·31 cites·1 claims
- 3287US6354368B1Fin for a one-piece heat exchanger and method of manufacturing the finZEXEL CORP·Filed 1998·Granted Mar 12, 2002·38 cites·27 claims
- 3387US6170565B1Heat exchangerZEXEL CORP·Filed 1997·Granted Jan 9, 2001·50 cites·3 claims
- 3487US5843571AAmorphous hard carbon filmZEXEL CORP·Filed 1996·Granted Dec 1, 1998·59 cites·8 claims
- 3587US5645225AVariable injection hole type fuel injection nozzleZEXEL CORP·Filed 1995·Granted Jul 8, 1997·49 cites·6 claims
- 3687US5402120ANavigation systemZEXEL CORP·Filed 1993·Granted Mar 28, 1995·78 cites·4 claims
- 3787US5083276ASystem for controlling safety device for vehicleZEXEL CORP·Filed 1990·Granted Jan 21, 1992·68 cites·8 claims
- 3886US5996633AHeat-exchanging conduit tubes for laminated heat exchanger and method for producing sameZEXEL CORP·Filed 1995·Granted Dec 7, 1999·50 cites·4 claims
- 3986US5938172ASolenoid valve drive systemZEXEL CORP·Filed 1997·Granted Aug 17, 1999·52 cites·29 claims
- 4086US5430655ANavigation system for use in vehicleZEXEL CORP·Filed 1993·Granted Jul 4, 1995·80 cites·8 claims
- 4186US5375575AFuel-injection deviceZEXEL CORP·Filed 1993·Granted Dec 27, 1994·50 cites·27 claims
- 4285US5798589ABrushless motor having lubrication system for upper and lower bearingsZEXEL CORP·Filed 1996·Granted Aug 25, 1998·71 cites·26 claims
- 4384US5731978AMethod and apparatus for enhancing vehicle navigation through recognition of geographical region typesZEXEL CORP·Filed 1995·Granted Mar 24, 1998·112 cites·31 claims
- 4484US5415040AAcceleration sensorZEXEL CORP·Filed 1994·Granted May 16, 1995·60 cites·8 claims
- 4584US5307269AMethod for correcting clutch control data in accordance with disk temperatureZEXEL CORP·Filed 1991·Granted Apr 26, 1994·40 cites·16 claims
- 4684US5197538AHeat exchanger apparatus having fluid coupled primary heat exchanger unit and auxiliary heat exchanger unitZEXEL CORP·Filed 1992·Granted Mar 30, 1993·52 cites·15 claims
- 4783US5515284AStorage medium for map information for navigation system and system for offering map information for navigation systemZEXEL CORP·Filed 1995·Granted May 7, 1996·95 cites·9 claims
- 4883US5056501ACombustion heaterZEXEL CORP·Filed 1990·Granted Oct 15, 1991·45 cites·6 claims
- 4982US5898390AMethod and apparatus for calibration of a distance sensor in a vehicle navigation systemZEXEL CORP·Filed 1995·Granted Apr 27, 1999·79 cites·22 claims
- 5082USRE36119ESolenoid valve unit for fuel injection apparatusZEXEL CORP·Filed 1997·Granted Mar 2, 1999·39 cites·25 claims
Showing the top 50 of 381 patent records by PatentIndex Score.
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