Assignee
KUBOTA LTD
JP·509 granted patents·10,344 citations·filing 1974–1992
Top patents by PatentIndex Score
509 records- 0199US4628454AAutomatic running work vehicleKUBOTA LTD·Filed 1983·Granted Dec 9, 1986·157 cites·7 claims
- 0298US4907546AAir-cooled type cooling system for engine working machine assemblyKUBOTA LTD·Filed 1988·Granted Mar 13, 1990·122 cites·3 claims
- 0397USD329435SAgricultural tractorKUBOTA LTD·Filed 1989·Granted Sep 15, 1992·61 cites·1 claims
- 0496US4718223AFruit harvesting apparatusKUBOTA LTD·Filed 1986·Granted Jan 12, 1988·81 cites·15 claims
- 0595US4873644AGuide system for a working machine having a product identifying systemKUBOTA LTD·Filed 1987·Granted Oct 10, 1989·66 cites·14 claims
- 0695US4756208AMid-mount tractorKUBOTA LTD·Filed 1987·Granted Jul 12, 1988·87 cites·16 claims
- 0795US4426844AEngine muffler of heat-exchanging typeKUBOTA LTD·Filed 1982·Granted Jan 24, 1984·88 cites·3 claims
- 0894US5088020APivotal movement control device for boom-equipped working machineKUBOTA LTD·Filed 1989·Granted Feb 11, 1992·75 cites·18 claims
- 0994USD309313SBackhoeKUBOTA LTD·Filed 1988·Granted Jul 17, 1990·40 cites·1 claims
- 1094US4899525AClipping collector equipped with front mowerKUBOTA LTD·Filed 1988·Granted Feb 13, 1990·66 cites·11 claims
- 1194US4663925AFruit harvesting robot handKUBOTA LTD·Filed 1984·Granted May 12, 1987·116 cites·15 claims
- 1294US4545453AAutomatic running work vehicleKUBOTA LTD·Filed 1983·Granted Oct 8, 1985·67 cites·11 claims
- 1393US4868752ABoundary detecting method and apparatus for automatic working vehicleKUBOTA LTD·Filed 1987·Granted Sep 19, 1989·94 cites·9 claims
- 1493US4829754AFront mowerKUBOTA LTD·Filed 1987·Granted May 16, 1989·66 cites·19 claims
- 1592USD321517SAgricultural tractor cabKUBOTA LTD·Filed 1989·Granted Nov 12, 1991·35 cites·1 claims
- 1692USD306450SAgricultural tractor cabinKUBOTA LTD·Filed 1987·Granted Mar 6, 1990·35 cites·1 claims
- 1792US4772065ATractor cabin and manufacturing method thereforKUBOTA LTD·Filed 1987·Granted Sep 20, 1988·59 cites·1 claims
- 1892US3997193AConnector for the use of pipesKUBOTA LTD·Filed 1974·Granted Dec 14, 1976·176 cites·7 claims
- 1991US4519193AFruit harvesting apparatus with television camera and monitorKUBOTA LTD·Filed 1983·Granted May 28, 1985·153 cites·6 claims
- 2090US4721031ATractor cabinKUBOTA LTD·Filed 1986·Granted Jan 26, 1988·85 cites·5 claims
- 2190US4600999AAutomatic running work vehicleKUBOTA LTD·Filed 1983·Granted Jul 15, 1986·65 cites·14 claims
- 2290US4573547AAutomatic running work vehicleKUBOTA LTD·Filed 1983·Granted Mar 4, 1986·48 cites·12 claims
- 2389US5238508AFerritic-austenitic duplex stainless steelKUBOTA LTD·Filed 1990·Granted Aug 24, 1993·53 cites·2 claims
- 2489USD283135SAgricultural tractorKUBOTA LTD·Filed 1983·Granted Mar 25, 1986·26 cites·1 claims
- 2589US4552503AExcavating vehicleKUBOTA LTD·Filed 1983·Granted Nov 12, 1985·50 cites·2 claims
- 2689US4467654AUltrasonic flaw detection of a pipeKUBOTA LTD·Filed 1981·Granted Aug 28, 1984·62 cites·1 claims
- 2789US4304141ATractor power take-off systemKUBOTA LTD·Filed 1980·Granted Dec 8, 1981·62 cites·5 claims
- 2888US4934989ABelt transmissionKUBOTA LTD·Filed 1989·Granted Jun 19, 1990·45 cites·23 claims
- 2988USD306301SAgricultural tractorKUBOTA LTD·Filed 1987·Granted Feb 27, 1990·27 cites·1 claims
- 3088US4459966AApparatus for the return of crankcase vapors into a combustion chamber of an internal combustion engineKUBOTA LTD·Filed 1981·Granted Jul 17, 1984·38 cites·4 claims
- 3187USD312468SPower shovelKUBOTA LTD·Filed 1987·Granted Nov 27, 1990·31 cites·1 claims
- 3287US4969434AOverhead-valve type internal combustion engineKUBOTA LTD·Filed 1989·Granted Nov 13, 1990·42 cites·7 claims
- 3387US4737067ADevice for mounting working implements on tractorKUBOTA LTD·Filed 1985·Granted Apr 12, 1988·46 cites·10 claims
- 3487US4603753AAutomatic running work vehicleKUBOTA LTD·Filed 1983·Granted Aug 5, 1986·58 cites·8 claims
- 3587US4560931ASelf-propelled mobile pipeline inspection apparatus and method for inspecting pipelinesKUBOTA LTD·Filed 1982·Granted Dec 24, 1985·59 cites·11 claims
- 3687US4546840ATravelling vehicle equipped with obstacle detector sensorsKUBOTA LTD·Filed 1983·Granted Oct 15, 1985·63 cites·11 claims
- 3786US5108253AHydraulic piping structure for a backhoeKUBOTA LTD·Filed 1990·Granted Apr 28, 1992·64 cites·6 claims
- 3886US4771855ABackhoe vehicleKUBOTA LTD·Filed 1987·Granted Sep 20, 1988·42 cites·4 claims
- 3986USD297538SRiding lawn mowerKUBOTA LTD·Filed 1986·Granted Sep 6, 1988·26 cites·1 claims
- 4086USD297142SCab for an agricultural tractorKUBOTA LTD·Filed 1985·Granted Aug 9, 1988·25 cites·1 claims
- 4186USD273384SEarth moving machineKUBOTA LTD·Filed 1982·Granted Apr 10, 1984·31 cites·1 claims
- 4286US4375821AControl valueKUBOTA LTD·Filed 1981·Granted Mar 8, 1983·64 cites·4 claims
- 4386US4134370AEngine with air-cooled non-contact ignition systemKUBOTA LTD·Filed 1977·Granted Jan 16, 1979·29 cites·6 claims
- 4486US4093280ASynthetic resinous pipe joint made up in one-piece with a metallic male screwKUBOTA LTD·Filed 1976·Granted Jun 6, 1978·76 cites·16 claims
- 4585US4977760ASpeed control system for a working vehicleKUBOTA LTD·Filed 1988·Granted Dec 18, 1990·36 cites·13 claims
- 4685US4911110AWaste heat recovery system for liquid-cooled internal combustion engineKUBOTA LTD·Filed 1988·Granted Mar 27, 1990·67 cites·5 claims
- 4785US4775940APlowing depth detecting system for rotary plowKUBOTA LTD·Filed 1986·Granted Oct 4, 1988·42 cites·11 claims
- 4885USD293904SPower generatorKUBOTA LTD·Filed 1985·Granted Jan 26, 1988·30 cites·1 claims
- 4985US4721002AClutch type change speed apparatus for working vehicleKUBOTA LTD·Filed 1985·Granted Jan 26, 1988·37 cites·10 claims
- 5085US4669559AFour-wheel driven vehiclesKUBOTA LTD·Filed 1983·Granted Jun 2, 1987·39 cites·14 claims
Showing the top 50 of 509 patent records by PatentIndex Score.
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