Kubota, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G05G CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY 230

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5365802 Operating device for acceleratorAug 09, 93Nov 22, 94[G05G]
5216935 Bidirectional control arrangement for vehicleJun 01, 92Jun 08, 93[G05G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D358157 Wheel loaderExpiredDec 03, 92May 09, 95[]
5238508 Ferritic-austenitic duplex stainless steelExpiredDec 03, 90Aug 24, 93[C22C]
D335862 Portable engine generatorExpiredAug 31, 89May 25, 93[]
5149308 TransmissionExpiredFeb 28, 92Sep 22, 92[F16H]
D329435 Agricultural tractorExpiredMay 03, 89Sep 15, 92[]
5136846 Hydraulic circuit with a switchover valve for switching between a high and a low-pressure reliefExpiredMar 16, 90Aug 11, 92[F16D]
5128613 Method of inspecting magnetic carburization in a non-permeable material and probe thereforeExpiredNov 01, 91Jul 07, 92[G01N]
5114083 Method and appatatus for pulverizing materialExpiredFeb 12, 90May 19, 92[B02C]
5108253 Hydraulic piping structure for a backhoeExpiredFeb 16, 90Apr 28, 92[F02F]
5097628 Valve operating structureExpiredSep 28, 89Mar 24, 92[G05G]
5088968 Power transmission for driving vehicleExpiredApr 05, 90Feb 18, 92[F16H]
5088020 Pivotal movement control device for boom-equipped working machineExpiredAug 14, 89Feb 11, 92[G05B]
5082750 Magnetic recording medium of thin metal film typeExpiredOct 20, 89Jan 21, 92[G11B]
5080489 Fiber optic gyroscope for detecting angular velocity of rotation using equivalent time samplingExpiredMar 27, 90Jan 14, 92[G01C]
5079706 Control system for self-propelled working vehicle including vehicle course correction meansExpiredFeb 13, 90Jan 07, 92[G06F]
5074254 Forced-circulation type water-cooling system for horizontal internal-combustion engineExpiredMar 09, 90Dec 24, 91[F01P]
D321517 Agricultural tractor cabExpiredApr 28, 89Nov 12, 91[]
5062258 Terrain traversing apparatus having means for transferring grass clippings to collection boxExpiredJul 25, 86Nov 05, 91[A01D]
5046312 Swivel speed control circuit for working vehicleExpiredMay 08, 89Sep 10, 91[F15B]
D319447 Lawn mowerExpiredJun 24, 88Aug 27, 91[]

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