Inventor · disambiguated record
Hidehiro Oba
Also filed as: OBA HIDEHIRO
79 granted patents·9 pending applications·2,428 citations·filing 1986–2018
99Inventor score
Top patents by PatentIndex Score
88 records- 0199US5003950AApparatus for control and intake air amount prediction in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1989·Granted Apr 2, 1991·96 cites·24 claims
- 0297US8231491B2Power output apparatus and hybrid vehicleOBA HIDEHIRO·Filed 2007·Granted Jul 31, 2012·61 cites·7 claims
- 0397US7806795B2Power output apparatus and hybrid vehicle with power output apparatusTOYOTA MOTOR CO LTD·Filed 2008·Granted Oct 5, 2010·61 cites·19 claims
- 0497US7695387B2Power output apparatus and hybrid vehicle equipped with power output apparatusTOYOTA MOTOR CO LTD·Filed 2008·Granted Apr 13, 2010·64 cites·10 claims
- 0597US6655485B1Hybrid drive system wherein clutch in engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive modeTOYOTA MOTOR CO LTD·Filed 2000·Granted Dec 2, 2003·102 cites·9 claims
- 0697US6077186AInternal combustion engine starting drive control system for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 1998·Granted Jun 20, 2000·174 cites·22 claims
- 0796US6176807B1Drive control system for hybrid vehiclesTOYOTA MOTOR CO LTD·Filed 1998·Granted Jan 23, 2001·147 cites·4 claims
- 0895US9770971B1Drive unitTOYOTA MOTOR CO LTD·Filed 2017·Granted Sep 26, 2017·15 cites·6 claims
- 0994US8100207B2Power output apparatus, hybrid vehicle having the same, and method of controlling the power output apparatusOBA HIDEHIRO·Filed 2007·Granted Jan 24, 2012·44 cites·15 claims
- 1094US8047314B2Power output apparatus, hybrid vehicle equipped with power output apparatus, and control method of power output apparatusTOYOTA MOTOR CO LTD·Filed 2007·Granted Nov 1, 2011·45 cites·14 claims
- 1194US6336889B1Drive control system for hybrid vehiclesTOYOTA MOTOR CO LTD·Filed 2000·Granted Jan 8, 2002·71 cites·9 claims
- 1293US8257213B2Hybrid driving apparatus, and control method thereofKOMADA HIDEAKI·Filed 2007·Granted Sep 4, 2012·54 cites·16 claims
- 1393US7931102B2Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatusTOYOTA MOTOR CO LTD·Filed 2007·Granted Apr 26, 2011·36 cites·5 claims
- 1492US8122983B2Power output apparatus, hybrid vehicle with the same, and method for controlling power output apparatusKATSUTA HIROSHI·Filed 2007·Granted Feb 28, 2012·30 cites·10 claims
- 1592US6383114B1Hybrid vehicle control apparatus having a device for synchronizing friction members of one of two clutches corresponding to one of two different neutral statesTOYOTA MOTOR CO LTD·Filed 2000·Granted May 7, 2002·73 cites·10 claims
- 1692US6019699ASynchronized coast downshift control for hybrid vehiclesTOYOTA MOTOR CO LTD·Filed 1999·Granted Feb 1, 2000·109 cites·8 claims
- 1792US6009768ASkip downshift control apparatus for automatic transmissionTOYOTA MOTOR CO LTD·Filed 1999·Granted Jan 4, 2000·54 cites·3 claims
- 1891US7165638B2Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive modeTOYOTA MOTOR CO LTD·Filed 2005·Granted Jan 23, 2007·20 cites·4 claims
- 1990US8251165B2Power output apparatus, hybrid vehicle with the same, and control method of power output apparatusKATSUTA HIROSHI·Filed 2008·Granted Aug 28, 2012·36 cites·12 claims
- 2090US6994177B2Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive modeTOYOTA MOTOR CO LTD·Filed 2003·Granted Feb 7, 2006·38 cites·8 claims
- 2190US6201312B1Drive control system for hybrid vehiclesTOYOTA MOTOR CO LTD·Filed 1999·Granted Mar 13, 2001·97 cites·6 claims
- 2289US8215426B2Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatusKATSUTA HIROSHI·Filed 2007·Granted Jul 10, 2012·24 cites·9 claims
- 2389US8091661B2Power output apparatus and hybrid vehicleOBA HIDEHIRO·Filed 2007·Granted Jan 10, 2012·25 cites·14 claims
- 2489US5199326AIdle up of engine of automobile according to elevation of transmission oil temperatureTOYOTA MOTOR CO LTD·Filed 1992·Granted Apr 6, 1993·48 cites·4 claims
- 2588US7938208B2Power output apparatus and hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2007·Granted May 10, 2011·21 cites·13 claims
- 2688US7207404B2Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive modeTOYOTA MOTOR CO LTD·Filed 2004·Granted Apr 24, 2007·30 cites·6 claims
- 2786US10471818B2Drive device for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted Nov 12, 2019·3 cites·8 claims
- 2886US8272991B2Power output apparatus, hybrid vehicle provided with the same, and control method of power output apparatusKATSUTA HIROSHI·Filed 2007·Granted Sep 25, 2012·21 cites·13 claims
- 2986US6090008ACoast downshift control apparatus for a vehicular automatic transmissionTOYOTA MOTOR CO LTD·Filed 1999·Granted Jul 18, 2000·38 cites·13 claims
- 3084US8210296B2Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatusKATSUTA HIROSHI·Filed 2007·Granted Jul 3, 2012·18 cites·3 claims
- 3184US8056659B2Power output apparatus and hybrid vehicleOBA HIDEHIRO·Filed 2007·Granted Nov 15, 2011·17 cites·13 claims
- 3284US6637530B1Hybrid vehicle control apparatus wherein battery is charged based on required charging amount and/or energy conversion efficiency of electric generatorTOYOTA MOTOR CO LTD·Filed 2000·Granted Oct 28, 2003·52 cites·11 claims
- 3383US7168515B2Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive modeTOYOTA MOTOR CO LTD·Filed 2005·Granted Jan 30, 2007·11 cites·4 claims
- 3482US6409623B1Apparatus capable of driving vehicle in reverse direction with engine as well as electric motorTOYOTA MOTOR CO LTD·Filed 2000·Granted Jun 25, 2002·42 cites·6 claims
- 3582US6315068B1Drive control system for hybrid vehiclesTOYOTA MOTOR CO LTD·Filed 1999·Granted Nov 13, 2001·61 cites·9 claims
- 3681US9987917B2Control apparatus for hybrid vehicle and control method for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted Jun 5, 2018·4 cites·7 claims
- 3780US5957800AShift control system for automatic transmissionTOYOTA MOTOR CO LTD·Filed 1997·Granted Sep 28, 1999·27 cites·7 claims
- 3879US5069184AApparatus for control and intake air amount prediction in an internal combustion engineTOYOTO JIDOSHA KABUSHIKI KAISH·Filed 1990·Granted Dec 3, 1991·27 cites·8 claims
- 3979US4886030AMethod of and system for controlling fuel injection rate in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1988·Granted Dec 12, 1989·22 cites·20 claims
- 4077US5961421APower on skip downshift using three clutchesTOYOTA MOTOR CO LTD·Filed 1998·Granted Oct 5, 1999·29 cites·2 claims
- 4174US6149547AGearshift control apparatus for automatic transmission which alters pre-inertia phase hydraulic pressure command parameters for engagement side clutchTOYODA JIDOSHA KABUSHIKI KAISH·Filed 1998·Granted Nov 21, 2000·26 cites·7 claims
- 4272US5472389AHydraulic control system for automatic transmissionAISIN AW CO·Filed 1994·Granted Dec 5, 1995·24 cites·7 claims
- 4372US5368531AControl 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
- 4472US4785785AFuel injection control device for an internal combustion engine with throttle opening detection meansTOYOTA MOTOR CO LTD·Filed 1987·Granted Nov 22, 1988·18 cites·11 claims
- 4571US4690117AFuel injection control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1986·Granted Sep 1, 1987·18 cites·6 claims
- 4669US6902512B2Power output apparatus and movable body with power output apparatus mounted thereonTOYOTA MOTOR CO LTD·Filed 2003·Granted Jun 7, 2005·23 cites·13 claims
- 4767US5672138AControl system for automatic transmissionTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 30, 1997·21 cites·10 claims
- 4865US5558597AHydraulic control system for controlling oil pressure based on temperatureTOYOTA MOTOR CO LTD·Filed 1994·Granted Sep 24, 1996·19 cites·7 claims
- 4965US5527236AShift control system for automatic transmissionTOYOTA MOTOR CO LTD·Filed 1994·Granted Jun 18, 1996·19 cites·15 claims
- 5064US5665027AShift control system for automatic transmissionTOYOTA MOTOR CO LTD·Filed 1994·Granted Sep 9, 1997·16 cites·21 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →