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KOYO SEIKO CO., LTD.
Patent Owner
Stats
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725
total patents issued
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254 Total Apps Published
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Apr 28, 2009 most recent publication
Details
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725 Issued Patents
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0 Issued in last 3 years
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0 Published in last 3 years
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5,609 Total Citation Count
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Mar 31, 1978 Earliest Filing
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269 Expired/Abandoned/Withdrawn Patents
Technologies
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 1255
B62D MOTOR VEHICLES; TRAILERS 10714
F16D COUPLINGS FOR TRANSMITTING ROTATION 4528
H02K DYNAMO-ELECTRIC MACHINES 2154
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 1452
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 1232
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 1040
G06F ELECTRIC DIGITAL DATA PROCESSING 8292
Top Patents (by citation)
6,079,513 Steering apparatus for vehicleFeb 12, 98Jun 27, 00[B62D]106 5,908,457 Automobile steering system including reaction feedback to operatorNov 21, 96Jun 01, 99[G06F, G06G]53 6,523,637 Steering apparatus for automobileFeb 06, 98Feb 25, 03[B62D]45 6,415,215 Vehicle attitude control apparatusFeb 06, 01Jul 02, 02[G06F, B60T]45 6,059,068 Steering apparatus for a vehicleDec 18, 97May 09, 00[B62D]39 5,303,156 Electric power steering apparatus having overload protectionJul 08, 92Apr 12, 94[B62D]35 6,698,542 Steering device for vehicleFeb 13, 02Mar 02, 04[B62D]34 5,881,836 Electric power steering apparatusApr 04, 97Mar 16, 99[B62D]33 6,442,462 Motor vehicle steering systemNov 01, 01Aug 27, 02[B62D]28 6,082,482 Vehicle steering apparatusFeb 19, 98Jul 04, 00[B62D]28
Recent Publications
2008/0309,322 Compact wheel speed detector capable of saving space and improving workabilityAug 27, 07Dec 18, 08[G01P] 2007/0235,248 Electric power steering assembly and method for fabricating sameJun 01, 07Oct 11, 07[B62D, H02K] 2007/0025,654 Tapered roller bearing assembly and method of fabricating the sameJul 26, 05Feb 01, 07[F16C] 2006/0082,342 CONTROL MAGNETIC BEARING DEVICEDec 08, 05Apr 20, 06[H02P] 2006/0070,190 Means and method for dyeing keratin fibresJan 30, 04Apr 06, 06[A61Q, A61K] 2006/0055,351 Electric power steering apparatus and boosterAug 31, 05Mar 16, 06[H02P] 2006/0049,784 Motor controller and electric power steering apparatusSep 06, 05Mar 09, 06[H02P] 2006/0032,318 Torque detector and method of manufacturing housing of torque detectorOct 25, 05Feb 16, 06[G01L]
Recent Patents
7,524,238 Method of processing antifriction bearing unit for wheelApr 05, 07Apr 28, 09[B24B] 7,247,111 Vehicle steering apparatusAug 16, 05Jul 24, 07[F16H] 7,228,933 Electric power steering device and jointOct 29, 03Jun 12, 07[B62D] 7,177,744 Elastic support assembly for electric power steering apparatusFeb 12, 04Feb 13, 07[B62D] 7,147,091 One way clutchOct 26, 01Dec 12, 06[F16D] 7,143,683 Hydraulic power steering apparatusSep 10, 04Dec 05, 06[F15B] 7,127,921 Locking device for steering shaft and steering apparatus having the deviceFeb 26, 03Oct 31, 06[E05B] 7,129,663 Electric power steering apparatus and boosterAug 31, 05Oct 31, 06[B62D] 7,125,173 Bearing deviceJul 29, 03Oct 24, 06[F16C] 7,126,304 Motor controller and electric power steering apparatusSep 06, 05Oct 24, 06[G05B]
Top Inventors for This Owner
