Aisin-Warner Kabushiki Kaisha

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4944376 Brake band drum for planetary gear-type transmissionsExpiredMar 11, 88Jul 31, 90[F16D]
4942782 Reverse shift control device on automatic transmissionExpiredMar 01, 88Jul 24, 90[B60K]
4941096 Electronically controlled automatic transmissionExpiredDec 09, 87Jul 10, 90[B60K, G05D]
4934215 Automatic transmissionExpiredDec 01, 87Jun 19, 90[F16H]
4926346 Road image input system for vehicle controlExpiredDec 29, 86May 15, 90[G06F]
4922765 Lubricating structure for transmission mechanismExpiredJun 23, 88May 08, 90[F16H]
4916977 Automatic transmissionExpiredAug 06, 87Apr 17, 90[F16H]
4918606 Automatic transmission with fail-safe functionExpiredAug 21, 89Apr 17, 90[B60K, G06F]
4914978 Automatic transmissionExpiredDec 01, 87Apr 10, 90[F16H]
4912639 Four-wheel drive vehicle having front-and rear-wheel engaging mechanismExpiredJun 30, 87Mar 27, 90[B60K, G06F]
4903550 Hydraulic control device for automatic transmissionExpiredMar 01, 88Feb 27, 90[B60K]
4899621 Automatic transmission for vehiclesExpiredFeb 06, 89Feb 13, 90[F16H]
4899278 Automatic transmission with erroneous shift preventing functionExpiredAug 10, 87Feb 06, 90[B60K, G06F]
4895236 Actuator for the frictional engaging deviceExpiredJan 27, 88Jan 23, 90[F16H]
4892011 Planetary gear mechanism on an automatic transmissionExpiredMar 01, 88Jan 09, 90[F16H]
4889016 Hydraulic servo regulating systems in an automatic transmissionExpiredMar 01, 88Dec 26, 89[B60K]
4884472 Automatic transmissionExpiredDec 01, 87Dec 05, 89[F16H]
4880090 Hydraulic controlling system for lockup clutchesExpiredJun 11, 87Nov 14, 89[F16H]
4875392 Manual valve in an automatic transmissionExpiredMar 01, 88Oct 24, 89[B60K]
4870581 Electronically controlled automatic transmissionExpiredAug 10, 87Sep 26, 89[B60K, G05D]

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