Inventor · disambiguated record
Tatsuo Wakahara
Also filed as: WAKAHARA TATSUO
39 granted patents·666 citations·filing 1989–2003
98Inventor score
Top patents by PatentIndex Score
39 records- 0195US5651752ALock-up control system for automatic transmissionNISSAN MOTOR·Filed 1995·Granted Jul 29, 1997·75 cites·5 claims
- 0291US5935043ALockup control apparatus of torque converterNISSAN MOTOR·Filed 1998·Granted Aug 10, 1999·48 cites·12 claims
- 0390US6375591B1Fault determining device and method for hydraulically operated automatic transmissionNISSAN MOTOR·Filed 2000·Granted Apr 23, 2002·34 cites·10 claims
- 0486US6419059B1Lock-up control for device torque converterNISSAN MOTOR·Filed 2000·Granted Jul 16, 2002·28 cites·4 claims
- 0583US7192383B2Control apparatus and method for automotive vehicle in which a belt-type continuously variable transmission is equipped with a belt slip preventive featureNISSAN MOTOR·Filed 2003·Granted Mar 20, 2007·23 cites·10 claims
- 0679US7229372B2Slippage prevention apparatus of belt-drive continuously variable transmission for automotive vehicleJATCO LTD·Filed 2003·Granted Jun 12, 2007·19 cites·28 claims
- 0778US7112154B2System and method for hydraulically controlling automatic transmissionJATCO LTD·Filed 2003·Granted Sep 26, 2006·20 cites·18 claims
- 0878US5875865AHydraulic-pressure control system for four-wheel drive vehicle with hydraulic-pressure operated transfer clutchNISSAN MOTOR·Filed 1996·Granted Mar 2, 1999·57 cites·8 claims
- 0978US5103692AAutomatic transmission and engine control systemNISSAN MOTOR·Filed 1991·Granted Apr 14, 1992·30 cites·12 claims
- 1075US5115694ALine pressure control at cranking and subsequent warming-up operation of engineNISSAN MOTOR·Filed 1991·Granted May 26, 1992·27 cites·4 claims
- 1170US7169070B2Transmission controller of V-belt type continuously variable automatic transmissionJATCO LTD·Filed 2003·Granted Jan 30, 2007·12 cites·15 claims
- 1269US6102831ASystem for controlling engaging and disengaging operations of releasable coupling device placed in automotive power trainNISSAN MOTOR·Filed 1998·Granted Aug 15, 2000·53 cites·8 claims
- 1367US5085105ADownshift control for automatic transmissionNISSAN MOTOR·Filed 1990·Granted Feb 4, 1992·21 cites·4 claims
- 1464US5146891ASystem and method for controlling fuel supply to internal combustion engine according to operation of automatic transmision applicable to automotive vehicleNISSAN MOTOR·Filed 1990·Granted Sep 15, 1992·21 cites·11 claims
- 1561US6916269B2System and method of controlling line pressure for V-belt type continuously variable transmissionJATCO LTD·Filed 2003·Granted Jul 12, 2005·8 cites·34 claims
- 1661US5361651AShift control system for automatic transmissionNISSAN MOTOR·Filed 1992·Granted Nov 8, 1994·17 cites·6 claims
- 1760US6374973B1Lock-up control device for torque converterNISSAN MOTOR·Filed 2000·Granted Apr 23, 2002·8 cites·5 claims
- 1858US5145045AControl system for lock-up clutch of automatic transmissionNISSAN MOTOR·Filed 1991·Granted Sep 8, 1992·16 cites·9 claims
- 1953US5429561AShift control system with engagement pressure as a function of torque input and the type of shiftsNISSAN MOTOR·Filed 1993·Granted Jul 4, 1995·13 cites·5 claims
- 2052US5201250AFuel cut-off inhibit for a power-off upshiftNISSAN MOTOR·Filed 1991·Granted Apr 13, 1993·13 cites·8 claims
- 2147US5150634AControl arrangement for automatic automotive transmissionNISSAN MOTOR·Filed 1991·Granted Sep 29, 1992·11 cites·4 claims
- 2246US5376056AShift control system in automatic transmissionNISSAN MOTOR·Filed 1993·Granted Dec 27, 1994·10 cites·7 claims
- 2345US7037235B2Speed change ratio control unit for continuously variable transmissionJATCO LTD·Filed 2003·Granted May 2, 2006·2 cites·14 claims
- 2445US5113719AEngine load responsive line pressure control arrangement for automatic automotive transmissionNISSAN MOTOR·Filed 1989·Granted May 19, 1992·8 cites·11 claims
- 2544US5782718AWorking fluid pressure control device for hydraulic control system of continuously variable transmissionNISSAN MOTOR·Filed 1995·Granted Jul 21, 1998·9 cites·11 claims
- 2642US5819192ATransfer for motor vehicleNISSAN MOTOR·Filed 1997·Granted Oct 6, 1998·17 cites·66 claims
- 2742US5050454AEngine/automatic transmission unified control deviceNISSAN MOTOR·Filed 1991·Granted Sep 24, 1991·13 cites·8 claims
- 2841US5746677AVehicle transmission systemNISSAN MOTOR·Filed 1995·Granted May 5, 1998·8 cites·6 claims
- 2941US5501311AFluid pressure control device for variable torque transfer of four wheel drive vehicleNISSAN MOTOR·Filed 1994·Granted Mar 26, 1996·9 cites·15 claims
- 3041US5478288AAutomatic power transmission of automotive vehicleNISSAN MOTOR·Filed 1994·Granted Dec 26, 1995·8 cites·12 claims
- 3140US5320202AHydraulic system for torque converterNISSAN MOTOR·Filed 1993·Granted Jun 14, 1994·7 cites·4 claims
- 3238US5115695AHydraulic control system for automatic transmissionNISSAN MOTOR·Filed 1990·Granted May 26, 1992·6 cites·5 claims
- 3333US5584370ALock-up type automatic transmission system with hydraulic fluid cooling deviceNISSAN MOTOR·Filed 1995·Granted Dec 17, 1996·3 cites·6 claims
- 3432US5403242AAutomatic transmission with one-way clutch friction suppression systemNISSAN MOTOR·Filed 1993·Granted Apr 4, 1995·3 cites·8 claims
- 3532US5305664AHydraulic control device for an automatic transmission having a shift valve and a control valve coaxially aligned in a valve chamberNISSAN MOTOR·Filed 1992·Granted Apr 26, 1994·3 cites·5 claims
- 3631US5518469AHydraulic circuit for lock-up deviceNISSAN MOTOR·Filed 1995·Granted May 21, 1996·2 cites·9 claims
- 3731US5188570AAutomatic transmission having hydraulic servo device for band brakeNISSAN MOTOR·Filed 1992·Granted Feb 23, 1993·2 cites·16 claims
- 3830US6106433AControl system of automotive automatic transmissionNISSAN MOTOR·Filed 1998·Granted Aug 22, 2000·1 cites·8 claims
- 3930US5247857AControl arrangement for automatic automotive transmissionNISSAN MOTOR·Filed 1991·Granted Sep 28, 1993·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →