Inventor · disambiguated record
Ryoji Habuchi
Also filed as: HABUCHI RYOJI
31 granted patents·1 pending application·716 citations·filing 1990–2013
97Inventor score
Top patents by PatentIndex Score
32 records- 0198US6514175B2Hydraulic control system for transmissionsTOYOTA MOTOR CO LTD·Filed 2001·Granted Feb 4, 2003·133 cites·22 claims
- 0298US5006093AHydraulic control apparatus for vehicle power transmitting system having continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1990·Granted Apr 9, 1991·141 cites·7 claims
- 0389US7951026B2Oil pressure control apparatusTOYOTA MOTOR CO LTD·Filed 2008·Granted May 31, 2011·17 cites·6 claims
- 0488US6443871B2Control apparatus and method of belt-type continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 2001·Granted Sep 3, 2002·31 cites·18 claims
- 0587US6942598B2Drive control apparatus for a vehicle and control method thereofTOYOTA MOTOR CO LTD·Filed 2003·Granted Sep 13, 2005·28 cites·10 claims
- 0686US8261883B2Vehicle power transmission deviceARIGA MICHIHIRO·Filed 2008·Granted Sep 11, 2012·18 cites·8 claims
- 0785US6835147B2Hydraulic pressure controller for automatic transmissionAISIN AW CO·Filed 2002·Granted Dec 28, 2004·26 cites·19 claims
- 0881US8066595B2Hydraulic control system for vehicular power transmitting mechanismOGATA YUSUKE·Filed 2005·Granted Nov 29, 2011·11 cites·6 claims
- 0980US7044890B2Control apparatus and method for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2003·Granted May 16, 2006·20 cites·10 claims
- 1080US6672981B2Transmission shift control apparatus arranged to perform compulsory shift-down action of continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 2001·Granted Jan 6, 2004·20 cites·8 claims
- 1177US5052247AHydraulic 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
- 1276US8328668B2Vehicle power transmission deviceARIGA MICHIHIRO·Filed 2008·Granted Dec 11, 2012·9 cites·15 claims
- 1374US5050715AHydraulic control apparatus for vehicle power transmitting system having fluid coupling incorporating lock-up clutchTOYOTA MOTOR CO LTD·Filed 1990·Granted Sep 24, 1991·26 cites·11 claims
- 1472US8517871B2Vehicular belt-driven continuously variable transmission and control method thereofOGATA YUSUKE·Filed 2007·Granted Aug 27, 2013·6 cites·8 claims
- 1572US5067603AApparatus for controlling hydraulically operated clutch in vehicle transmission system, including two valves for engaging and disengaging the clutchTOYOTA MOTOR CO LTD·Filed 1990·Granted Nov 26, 1991·23 cites·9 claims
- 1671US9523417B2Vehicle power transmission deviceTOYOTA MOTOR CO LTD·Filed 2013·Granted Dec 20, 2016·3 cites·15 claims
- 1770US5052980AHydraulic control apparatus for vehicle power transmitting system having continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1990·Granted Oct 1, 1991·23 cites·9 claims
- 1869US5851164AHydraulic control system for automatic transmission of multiple clutch typeTOYOTA MOTOR CO LTD·Filed 1997·Granted Dec 22, 1998·22 cites·1 claims
- 1969US5527233AHydraulic control apparatus for controlling an engaging state of a lock-up clutch of an automatic transmissionTOYOTA MOTOR CO LTD·Filed 1994·Granted Jun 18, 1996·32 cites·9 claims
- 2066US5086672AHydraulic control apparatus for vehicle transmission system, incorporating valves for reverse inhibit valveTOYOTA MOTOR CO LTD·Filed 1990·Granted Feb 11, 1992·21 cites·19 claims
- 2165US6405115B2Shift control system for continuously variable transmissionsTOYOTA MOTOR CO LTD·Filed 2001·Granted Jun 11, 2002·10 cites·18 claims
- 2264US9587726B2Power transmission unit for vehicleYOSHIDA MICHIO·Filed 2012·Granted Mar 7, 2017·2 cites·11 claims
- 2364US8894521B2Power transmission device and vehicle in which power transmission device is installedTSUKUDA KAZUMICHI·Filed 2009·Granted Nov 25, 2014·5 cites·4 claims
- 2464US6055879AHydraulic control system for automatic transmission of multiple clutch type which prevents two clutches from being simultaneously engagedTOYOTA MOTOR CO LTD·Filed 1997·Granted May 2, 2000·24 cites·3 claims
- 2563US7066860B2Driving system of motor vehicleTOYOTA MOTOR CO LTD·Filed 2003·Granted Jun 27, 2006·9 cites·4 claims
- 2662US6739998B2Hydraulic controller for an automatic transmissionAISIN AW CO·Filed 2002·Granted May 25, 2004·9 cites·4 claims
- 2747US8403779B2Belt type continuously variable transmissionTSUKUDA KAZUMICHI·Filed 2009·Granted Mar 26, 2013·0 cites·5 claims
- 2847US6449948B2Hydraulic circuit cleaning apparatus and methodTOYOTA MOTOR CO LTD·Filed 2001·Granted Sep 17, 2002·3 cites·10 claims
- 2946US8393999B2Hydraulic control system for transmissionOGATA YUSUKE·Filed 2008·Granted Mar 12, 2013·0 cites·20 claims
- 3043US5279118AFluid couplingAISIN AW CO·Filed 1992·Granted Jan 18, 1994·8 cites·6 claims
- 3140US5313794AFluid couplingAISIN AW CO·Filed 1992·Granted May 24, 1994·7 cites·1 claims
- 3237US2004111204A1Control apparatus and method for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →