Assignee
UNISIA JECS CORP
JP·572 granted patents·11 pending applications·14,188 citations·filing 1992–2004
Top patents by PatentIndex Score
583 records- 0198US6450139B1Valve timing control system for internal combustion engineUNISIA JECS CORP·Filed 2001·Granted Sep 17, 2002·86 cites·15 claims
- 0298US5893896AApparatus and method for stability controlling vehicular attitude using vehicular braking systemUNISIA JECS CORP·Filed 1997·Granted Apr 13, 1999·172 cites·21 claims
- 0397US6520880B1Traction distributing devices for motor vehiclesUNISIA JECS CORP·Filed 2000·Granted Feb 18, 2003·93 cites·5 claims
- 0497US6318083B1Intake air control device of an engine with a charger and method thereofUNISIA JECS CORP·Filed 2000·Granted Nov 20, 2001·94 cites·19 claims
- 0597US5992944APump devicesUNISIA JECS CORP·Filed 1997·Granted Nov 30, 1999·118 cites·7 claims
- 0697US5467280AVehicular suspension system utilizing variable damping force shock absorberUNISIA JECS CORP·Filed 1993·Granted Nov 14, 1995·132 cites·16 claims
- 0796US6575128B2Variable-valve-actuation apparatus for internal combustion engineUNISIA JECS CORP·Filed 2002·Granted Jun 10, 2003·64 cites·17 claims
- 0896US6135090AFuel injection control systemUNISIA JECS CORP·Filed 1998·Granted Oct 24, 2000·140 cites·10 claims
- 0996US5542394AVehicle engine refueling detection apparatus and method and fuel supply apparatus and methodUNISIA JECS CORP·Filed 1995·Granted Aug 6, 1996·85 cites·21 claims
- 1095US6401675B1Variable valve gear device of internal combustion engineUNISIA JECS CORP·Filed 2000·Granted Jun 11, 2002·44 cites·4 claims
- 1195US6390041B2Variable-valve-actuation apparatus for internal combustion engineUNISIA JECS CORP·Filed 2000·Granted May 21, 2002·54 cites·23 claims
- 1295US6184603B1Motor/generator unit applicable to automotive vehicleUNISIA JECS CORP·Filed 2000·Granted Feb 6, 2001·131 cites·20 claims
- 1395US6092011AApparatus and method for controlling damping force characteristic of vehicular shock absorberUNISIA JECS CORP·Filed 1998·Granted Jul 18, 2000·151 cites·18 claims
- 1495US5797732AVariable capacity pump having a pressure responsive relief valve arrangementUNISIA JECS CORP·Filed 1997·Granted Aug 25, 1998·70 cites·2 claims
- 1595US5469735ASelf-diagnosing apparatus and method for determining occurence of failure in inner cylinder pressure responsive sensor applicable to engine combustion detecting/controlling systemUNISIA JECS CORP·Filed 1994·Granted Nov 28, 1995·102 cites·11 claims
- 1694US5501186AEngine valve control mechanismUNISIA JECS CORP·Filed 1994·Granted Mar 26, 1996·63 cites·7 claims
- 1793US6502537B2Valve timing control device of internal combustion engineUNISIA JECS CORP·Filed 2002·Granted Jan 7, 2003·45 cites·25 claims
- 1893US6138644AApparatus and method for processing fuel vapor in internal combustion engineUNISIA JECS CORP·Filed 1998·Granted Oct 31, 2000·64 cites·5 claims
- 1992US6357341B1Piston of internal combustion engineUNISIA JECS CORP·Filed 1999·Granted Mar 19, 2002·49 cites·10 claims
- 2092US6340010B1Valve operating device for internal combustion engine with variable valve timing and valve-lift characteristic mechanismUNISIA JECS CORP·Filed 2000·Granted Jan 22, 2002·40 cites·26 claims
- 2192US6216653B1Electromagnetic valve actuator for a valve of an engineUNISIA JECS CORP·Filed 2000·Granted Apr 17, 2001·40 cites·8 claims
- 2292US6182642B1Leak detection of emission control systemUNISIA JECS CORP·Filed 1999·Granted Feb 6, 2001·62 cites·16 claims
- 2392US6113197AWheel braking systemUNISIA JECS CORP·Filed 1997·Granted Sep 5, 2000·66 cites·11 claims
- 2491US6530856B1Electronic control apparatus for vehicleUNISIA JECS CORP·Filed 2001·Granted Mar 11, 2003·75 cites·15 claims
- 2591US6427653B1System for driving and controlling CAM for internal combustion engineUNISIA JECS CORP·Filed 2000·Granted Aug 6, 2002·33 cites·27 claims
- 2691US6371857B1Torsional vibration dampersUNISIA JECS CORP·Filed 2000·Granted Apr 16, 2002·41 cites·26 claims
- 2791US5988125AVariable valve actuation apparatus for engineUNISIA JECS CORP·Filed 1998·Granted Nov 23, 1999·58 cites·30 claims
- 2891US5365896ACam shaft assembly for use in internal combustion engineUNISIA JECS CORP·Filed 1993·Granted Nov 22, 1994·56 cites·14 claims
- 2990US6266602B1Road surface condition determination system for automotive vehicles and anti-skid braking system having the sameUNISIA JECS CORP·Filed 2000·Granted Jul 24, 2001·42 cites·18 claims
- 3090US6260523B1Variable-valve-actuation apparatus for internal combustion engineUNISIA JECS CORP·Filed 2000·Granted Jul 17, 2001·33 cites·13 claims
- 3190US5568725AApparatus and method for controlling the air-fuel ratio of an internal combustion engineUNISIA JECS CORP·Filed 1994·Granted Oct 29, 1996·50 cites·14 claims
- 3289US6705257B2Apparatus and method for controlling variable valve in internal combustion engineUNISIA JECS CORP·Filed 2001·Granted Mar 16, 2004·29 cites·13 claims
- 3389US6547046B2Hydraulic damperUNISIA JECS CORP·Filed 2001·Granted Apr 15, 2003·32 cites·23 claims
- 3489US6321728B1Apparatus and method for diagnosing faults of fuel vapor treatment unitUNISIA JECS CORP·Filed 2000·Granted Nov 27, 2001·32 cites·23 claims
- 3589US5850458AApparatus and method for actively reducing noise in vehicular passengers compartmentUNISIA JECS CORP·Filed 1995·Granted Dec 15, 1998·87 cites·33 claims
- 3689US5720692AMethod and apparatus for controlling a continuously variable transmissionUNISIA JECS CORP·Filed 1996·Granted Feb 24, 1998·47 cites·14 claims
- 3789US5483940AApparatus and a method for controlling fuel supply to engineUNISIA JECS CORP·Filed 1993·Granted Jan 16, 1996·63 cites·12 claims
- 3889US5360089AAutomotive suspension control system utilizing variable damping force shock absorberUNISIA JECS CORP·Filed 1993·Granted Nov 1, 1994·70 cites·5 claims
- 3988US6810872B1Inhalant medicatorUNISIA JECS CORP·Filed 2000·Granted Nov 2, 2004·133 cites·17 claims
- 4088US6067491ASuspension control system and method for cab over type truckUNISIA JECS CORP·Filed 1998·Granted May 23, 2000·63 cites·12 claims
- 4188US5944763AControl apparatus and method for vehicular suspension systemUNISIA JECS CORP·Filed 1996·Granted Aug 31, 1999·76 cites·39 claims
- 4288US5810384AApparatus and method for controlling damping force characteristic of vehicular shock absorberUNISIA JECS CORP·Filed 1997·Granted Sep 22, 1998·66 cites·14 claims
- 4388US5549080AApparatus and method for diagnosing occurrence of failure in variable valve timing control system for internal combustion engineUNISIA JECS CORP·Filed 1995·Granted Aug 27, 1996·55 cites·21 claims
- 4488US5526704AStructure of magnetostrictive torque sensor applicable to sensor for detecting torque applied to rotatable shaftUNISIA JECS CORP·Filed 1994·Granted Jun 18, 1996·71 cites·6 claims
- 4588US5327986AElectric motor drive-type power steering systemUNISIA JECS CORP·Filed 1993·Granted Jul 12, 1994·65 cites·5 claims
- 4687US6848404B2Oil pressure control apparatus for an internal combustion engineUNISIA JECS CORP·Filed 2003·Granted Feb 1, 2005·19 cites·6 claims
- 4787US6644017B2Device for and method of controlling air-fuel ratio of internal combustion engineUNISIA JECS CORP·Filed 2001·Granted Nov 11, 2003·34 cites·16 claims
- 4887US6491022B2Fail-safe processing system and method for internal combustion engineUNISIA JECS CORP·Filed 2001·Granted Dec 10, 2002·32 cites·18 claims
- 4987US6389882B1Apparatus and method for diagnosing leakage in fuel vapor treatment apparatusUNISIA JECS CORP·Filed 2000·Granted May 21, 2002·28 cites·13 claims
- 5087US6328008B1Valve timing control system for internal combustion engineUNISIA JECS CORP·Filed 2000·Granted Dec 11, 2001·42 cites·22 claims
Showing the top 50 of 583 patent records by PatentIndex Score.
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