Inventor · disambiguated record
Seitoku Kubo
Also filed as: ITO HIROSHI · KUBO SEITOKU
83 granted patents·2,372 citations·filing 1976–2003
99Inventor score
Top patents by PatentIndex Score
83 records- 0198US5856709AHybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generatorTOYOTA MOTOR CO LTD·Filed 1996·Granted Jan 5, 1999·361 cites·32 claims
- 0296US5875691AHybrid drive systemTOYOTA MOTOR CO LTD·Filed 1996·Granted Mar 2, 1999·116 cites·37 claims
- 0396US4648289AIdling control system for an automatic transmission providing anti roll back actionTOYOTA MOTOR CO LTD·Filed 1985·Granted Mar 10, 1987·63 cites·6 claims
- 0496US4056988ADriving system for use in motor vehicleTOYOTA MOTOR CO LTD·Filed 1976·Granted Nov 8, 1977·59 cites·14 claims
- 0595US5789882AVehicle control apparatus adapted to select engine-or motor-drive mode based on physical quantity reflecting energy conversion efficiencies in motor-drive modeTOYOTA MOTOR CO LTD·Filed 1996·Granted Aug 4, 1998·162 cites·19 claims
- 0693US5895333AHybrid vehicle drive system, wherein mechanism for synthesizing engine and motor outputs is disposed adjacent to transmissionTOYOTA MOTOR CO LTD·Filed 1996·Granted Apr 20, 1999·124 cites·16 claims
- 0793US4963124APlanetary gear transmission for motor vehicleTOYOTA MOTOR CO LTD·Filed 1989·Granted Oct 16, 1990·53 cites·11 claims
- 0893US4644826AIdling control system for an automatic transmission providing smooth starting off actionTOYOTA MOTOR CO LTD·Filed 1985·Granted Feb 24, 1987·59 cites·3 claims
- 0992US4702341AFour wheel drive vehicle slippage control device and method limiting center differential action according to input torque supplied theretoTOYOTA MOTOR CO LTD·Filed 1986·Granted Oct 27, 1987·38 cites·48 claims
- 1091US4693081AControl system and method for controlling output type hydraulic fluid pump of automatic transmission providing increased pump output pressure with increase in engine loadTOYOTA MOTOR CO LTD·Filed 1985·Granted Sep 15, 1987·46 cites·24 claims
- 1190US5722911AVehicle control apparatus adapted to charge energy storage device by generator driven by surplus engine power which changes with required vehicle drive forceTOYOTA MOTOR CO LTD·Filed 1996·Granted Mar 3, 1998·100 cites·7 claims
- 1289US4528869AAutomatic transmission for vehiclesTOYOTA MOTOR CO LTD·Filed 1980·Granted Jul 16, 1985·42 cites·5 claims
- 1386US4733580AMethod of controlling a transmission of a vehicle in two different modes according to requirements for power and economyTOYOTA MOTOR CO LTD·Filed 1985·Granted Mar 29, 1988·40 cites·17 claims
- 1486US4349088ADevice for controlling a lock-up clutch in an automatic transmission with a lock-up clutch equipped fluid torque converterAISIN WARNER·Filed 1979·Granted Sep 14, 1982·32 cites·14 claims
- 1585US4879921ATransaxle casing for automatic transmissionTOYOTA MOTOR CO LTD·Filed 1988·Granted Nov 14, 1989·36 cites·7 claims
- 1681US4866935AHydraulic torque converterAISIN WARNER·Filed 1986·Granted Sep 19, 1989·29 cites·4 claims
- 1777US5725064AHybrid vehicle with pumping loss reducing functionTOYOTA MOTOR CO LTD·Filed 1996·Granted Mar 10, 1998·75 cites·12 claims
- 1877US5052247AHydraulic control apparatus for belt-and-pulley type continuously variable transmission, incorporating fail-safe protective meansTOYOTA MOTOR CO LTD·Filed 1990·Granted Oct 1, 1991·29 cites·15 claims
- 1975US4739678AOil separating structure of automatic transmissionAISIN WARNER·Filed 1985·Granted Apr 26, 1988·25 cites·5 claims
- 2075US4594914ATransverse type automatic transmission with intermediate power transfer through lay shaftTOYOTA MOTOR CO LTD·Filed 1982·Granted Jun 17, 1986·25 cites·5 claims
- 2174US4748809AHydraulic servo mechanism of automatic transmission for vehicleAISIN WARNER·Filed 1985·Granted Jun 7, 1988·24 cites·3 claims
- 2273US4428259AFail safe automatic transmission lock up clutch control systemTOYOTA MOTOR CO LTD·Filed 1981·Granted Jan 31, 1984·24 cites·2 claims
- 2373US4263823ACompact transmission for use in automobiles having means for counterbalancing internal thrustsTOYOTA MOTOR CO LTD·Filed 1979·Granted Apr 28, 1981·17 cites·20 claims
- 2472US5368531AControl method of and system thereof for inversely proportionally raising and lowering servo hydraulic pressure, based on input torque, for engaging and disengaging frictional elements in automatic transmissionAISIN AW CO·Filed 1992·Granted Nov 29, 1994·24 cites·6 claims
- 2572US4406181AAutomatic transmission control system with holddown deviceTOYOTA MOTOR CO LTD·Filed 1980·Granted Sep 27, 1983·23 cites·4 claims
- 2670US4940446ACoupling structure for a rotating member and a shaftTOYOTA MOTOR CO LTD·Filed 1987·Granted Jul 10, 1990·23 cites·27 claims
- 2770US4428258ATransmission control system with modified back pressure accumulatorTOYOTA MOTOR CO LTD·Filed 1980·Granted Jan 31, 1984·22 cites·1 claims
- 2869US4763749AFour-wheel drive vehicleAISIN WARNER·Filed 1985·Granted Aug 16, 1988·26 cites·3 claims
- 2968US4881725AAccumulator piston having a coil spring secured theretoTOYOTA MOTOR CO LTD·Filed 1988·Granted Nov 21, 1989·26 cites·12 claims
- 3068US4188839AThrottling control valve and a system for controlling downshift timing of an automatic transmission for vehiclesTOYOTA MOTOR CO LTD·Filed 1978·Granted Feb 19, 1980·17 cites·4 claims
- 3167US4676123AAutomobile transmission with output shaft parallel to crank shaft and parking gear fixed to the output shaftTOYOTA MOTOR CO LTD·Filed 1986·Granted Jun 30, 1987·17 cites·4 claims
- 3266US4911260AFour-wheel drive vehicleAISIN WARNER·Filed 1988·Granted Mar 27, 1990·23 cites·4 claims
- 3365US4714146AFriction coupling element of automatic transmissionAISIN WARNER·Filed 1985·Granted Dec 22, 1987·16 cites·5 claims
- 3465US4417307AAutomatic transmission with electrical overrideTOYOTA MOTOR CO LTD·Filed 1980·Granted Nov 22, 1983·19 cites·6 claims
- 3563US5334114AControl system for servo hydraulic pressure in vehicular automatic transmissionAISIN AW CO·Filed 1992·Granted Aug 2, 1994·27 cites·1 claims
- 3663US4783960AFluid torque converter with axially cut away stator inner shellTOYOTA MOTOR CO LTD·Filed 1981·Granted Nov 15, 1988·18 cites·1 claims
- 3763US4241622AAutomatic transmission with overdriveTOYOTA MOTOR CO LTD·Filed 1977·Granted Dec 30, 1980·16 cites·4 claims
- 3862US4380179AEngagement device in automatic transmissionTOYOTA MOTOR CO LTD·Filed 1980·Granted Apr 19, 1983·17 cites·4 claims
- 3962US4315443ATransmission for use in motor vehicleTOYOTA MOTOR CO LTD·Filed 1979·Granted Feb 16, 1982·12 cites·11 claims
- 4060US4768609AFour wheel drive vehicle central differential torque transfer control device and method limiting torque on front wheels or on rear wheelsTOYOTA MOTOR CO LTD·Filed 1987·Granted Sep 6, 1988·18 cites·4 claims
- 4160US4726254AFour wheel drive power transmission system with front universal joint of front propeller shaft located towards gearbox from engineTOYOTA MOTOR CO LTD·Filed 1986·Granted Feb 23, 1988·19 cites·4 claims
- 4260US4631982AElectronically controlled automatic transmission control systemAISIN WARNER·Filed 1985·Granted Dec 30, 1986·17 cites·2 claims
- 4360US4621710ABearing lubrication system for extension housing of vehicular transmissionAISIN WARNER·Filed 1984·Granted Nov 11, 1986·15 cites·6 claims
- 4460US4437358ATransmission with torque converter and lock up clutch with lubrication and pressurization systemTOYOTA MOTOR CO LTD·Filed 1981·Granted Mar 20, 1984·16 cites·2 claims
- 4559US4938096AAutomatic transmission for vehicle having forward clutch and counter drive gear positioned between torque converter and gear mechanismTOYOTA MOTOR CO LTD·Filed 1989·Granted Jul 3, 1990·16 cites·5 claims
- 4658US4856381AFluid pressure control system for automatic transmissionTOYOTA MOTOR CO LTD·Filed 1988·Granted Aug 15, 1989·14 cites·6 claims
- 4758US4391166AHydraulic fluid pressure control system for an automatic transmissionTOYOTA MOTOR CO LTD·Filed 1980·Granted Jul 5, 1983·17 cites·6 claims
- 4857US4753132AHydraulic servo for friction coupling devices of automatic transmissionsAISIN WARNER·Filed 1985·Granted Jun 28, 1988·14 cites·3 claims
- 4957US4441594AFluid type torque converter apparatusTOYOTA MOTOR CO LTD·Filed 1981·Granted Apr 10, 1984·14 cites·4 claims
- 5057US4258586ACompact transmission for use in automobilesTOYOTA MOTOR CO LTD·Filed 1979·Granted Mar 31, 1981·10 cites·12 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →