Inventor · disambiguated record
Takeo Hiramatsu
Also filed as: HIRAMATSU TAKEO
53 granted patents·1,513 citations·filing 1975–2012
99Inventor score
Top patents by PatentIndex Score
53 records- 0199US4468988ASlip control system for a clutchMITSUBISHI MOTORS CORP·Filed 1981·Granted Sep 4, 1984·104 cites·20 claims
- 0298US4732253APower transmissionMITSUBISHI MOTORS CORP·Filed 1986·Granted Mar 22, 1988·177 cites·5 claims
- 0398US4457411ATorque transmission deviceMITSUBISHI MOTORS CORP·Filed 1981·Granted Jul 3, 1984·72 cites·13 claims
- 0496US4428467AFriction clutch control deviceMITSUBISHI MOTORS CORP·Filed 1981·Granted Jan 31, 1984·54 cites·12 claims
- 0595US4665773AContinuously variable transmission apparatus for automobileMITSUBISHI MOTORS CORP·Filed 1985·Granted May 19, 1987·66 cites·9 claims
- 0694US4903551AFailsafe hydraulic control system for vehicle automatic transmissionMITSUBISHI MOTORS CORP·Filed 1988·Granted Feb 27, 1990·53 cites·11 claims
- 0794US4727966ADifferential with differential motion limiting mechanismMITSUBISHI MOTORS CORP·Filed 1985·Granted Mar 1, 1988·80 cites·27 claims
- 0892US4719998APower transmission system for vehicleMITSUBISHI MOTORS CORP·Filed 1985·Granted Jan 19, 1988·65 cites·24 claims
- 0990US4676336APower transmission apparatus for vehicleMITSUBISHI MOTORS CORP·Filed 1984·Granted Jun 30, 1987·46 cites·29 claims
- 1090US4466311ASlip control system for a clutchMITSUBISHI MOTORS CORP·Filed 1981·Granted Aug 21, 1984·41 cites·6 claims
- 1189US4558612AVehicular automatic speed change gear assemblyMITSUBISHI MOTORS CORP·Filed 1982·Granted Dec 17, 1985·41 cites·11 claims
- 1288US7833123B2Automatic transmissionJATCO LTD·Filed 2008·Granted Nov 16, 2010·11 cites·4 claims
- 1386US4922424AControl method for a driving system provided in a vehicleMITSUBISHI MOTORS CORP·Filed 1988·Granted May 1, 1990·35 cites·11 claims
- 1486US4791568AMethod of controlling hydraulic pressure for an automatic transmission gear systemMITSUBISHI MOTORS CORP·Filed 1985·Granted Dec 13, 1988·39 cites·6 claims
- 1585US7677997B2Double piston and belt type continuously variable transmissionJATCO LTD·Filed 2005·Granted Mar 16, 2010·14 cites·14 claims
- 1685US4519273AAutomatic transmission for vehiclesMITSUBISHI MOTORS CORP·Filed 1982·Granted May 28, 1985·35 cites·15 claims
- 1785US4513639ACreeping preventing apparatus in automatic transmission for vehicleMITSUBISHI MOTORS CORP·Filed 1982·Granted Apr 30, 1985·34 cites·3 claims
- 1885US4125038ASpeed change gear in a hydraulic type automatic transmissionMITSUBISHI HEAVY IND LTD·Filed 1977·Granted Nov 14, 1978·32 cites·6 claims
- 1984US4947330AMethod of input power on/off discrimination for an automatic vehicular transmission systemMITSUBISHI MOTORS CORP·Filed 1988·Granted Aug 7, 1990·33 cites·9 claims
- 2084US4742732AAutomatic transmission system for a vehicleMITSUBISHI MOTORS CORP·Filed 1986·Granted May 10, 1988·34 cites·12 claims
- 2183US4775938ASystem and method for controlling a power transmission of a vehicleMITSUBISHI MOTORS CORP·Filed 1985·Granted Oct 4, 1988·34 cites·24 claims
- 2282US4660697ASlip clutch device control methodMITSUBISHI MOTORS CORP·Filed 1985·Granted Apr 28, 1987·39 cites·4 claims
- 2377US4506563AHydraulic control system for automatic transmission gearMITSUBISHI MOTORS CORP·Filed 1982·Granted Mar 26, 1985·26 cites·4 claims
- 2476US4943920AOperation control method for a frictional engagement elementMITSUBISHI MOTORS CORP·Filed 1988·Granted Jul 24, 1990·28 cites·8 claims
- 2574US4793216AControl apparatus for automatic transmission gear system for vehicleMITSUBISHI MOTORS CORP·Filed 1987·Granted Dec 27, 1988·25 cites·5 claims
- 2670US4984483AControl system for an automatic transmission of a motor vehicleMITSUBISHI MOTORS CORP·Filed 1989·Granted Jan 15, 1991·21 cites·6 claims
- 2770US4662488AControl system for a clutch interposed between input and output shafts of hydrodynamic power transmitting deviceMITSUBISHI MOTORS CORP·Filed 1985·Granted May 5, 1987·21 cites·12 claims
- 2869US4732245AControl apparatus for clutch torque in hydrodynamic power transmitting deviceMITSUBISHI MOTORS CORP·Filed 1986·Granted Mar 22, 1988·20 cites·4 claims
- 2967US5370016ASpeed change control apparatus and method of an automotive automatic transmissionMITSUBISHI MOTORS CORP·Filed 1993·Granted Dec 6, 1994·21 cites·12 claims
- 3067US5010786AAutomatic transmission control pressure regulator having speed sensitive valve arrangementHIRAMATSU TAKEO·Filed 1989·Granted Apr 30, 1991·17 cites·3 claims
- 3166US7914415B2Automatic transmissionJATCO LTD·Filed 2008·Granted Mar 29, 2011·4 cites·3 claims
- 3264US5003842AControl device for automatic transmission gear systemMITSUBISHI MOTORS CORP·Filed 1990·Granted Apr 2, 1991·23 cites·5 claims
- 3364US4561328ACreeping preventing apparatus in automatic transmission for vehicleHIRAMATSU TAKEO·Filed 1983·Granted Dec 31, 1985·18 cites·4 claims
- 3463US5730683AShift control method for automatic transmission and apparatus thereofMITSUBISHI MOTORS CORP·Filed 1996·Granted Mar 24, 1998·18 cites·14 claims
- 3563US4947734AMethod of duty-ratio control for hydraulically actuated slip control lock-up clutch and transmissionMITSUBISHI MOTORS CORP·Filed 1988·Granted Aug 14, 1990·21 cites·6 claims
- 3661US4829769AHydraulic transmission coupling apparatusMITSUBISHI MOTORS CORP·Filed 1987·Granted May 16, 1989·19 cites·4 claims
- 3758US8007399B2Automatic transmissionJATCO LTD·Filed 2008·Granted Aug 30, 2011·2 cites·4 claims
- 3857US4813307AMethod of controlling hydraulic pressure for an automatic transmission gear systemMITSUBISHI MOTORS CORP·Filed 1987·Granted Mar 21, 1989·14 cites·7 claims
- 3954US4754403AHydraulic pressure control system of automatic transmissions for vehicleMITSUBISHI MOTORS CORP·Filed 1985·Granted Jun 28, 1988·13 cites·12 claims
- 4053US4995491APower transmission apparatusMITSUBISHI MOTORS CORP·Filed 1988·Granted Feb 26, 1991·15 cites·10 claims
- 4153US4534244AAutomatic transmission gear system for vehiclesMITSUBISHI MOTORS CORP·Filed 1982·Granted Aug 13, 1985·12 cites·3 claims
- 4253US4052930AElectric and hydraulic servomechanism controlling deviceMITSUBISHI MOTORS CORP·Filed 1975·Granted Oct 11, 1977·11 cites·2 claims
- 4352US8303452B2Automatic transmissionAOTA KAZUAKI·Filed 2008·Granted Nov 6, 2012·1 cites·7 claims
- 4450US8202193B2Automatic transmissionHIRAMATSU TAKEO·Filed 2008·Granted Jun 19, 2012·0 cites·4 claims
- 4549US8439794B2Automatic transmissionHIRAMATSU TAKEO·Filed 2012·Granted May 14, 2013·0 cites·3 claims
- 4649US7909724B2Automatic transmissionJATCO LTD·Filed 2010·Granted Mar 22, 2011·0 cites·3 claims
- 4749US7909725B2Automatic transmissionJATCO LTD·Filed 2010·Granted Mar 22, 2011·0 cites·3 claims
- 4849US4919248ADrive coupling unitMITSUBISHI MOTORS CORP·Filed 1988·Granted Apr 24, 1990·9 cites·2 claims
- 4947US7935018B2Automatic transmissionJATCO LTD·Filed 2009·Granted May 3, 2011·0 cites·12 claims
- 5046US8197381B2Automatic transmissionHIRAMATSU TAKEO·Filed 2008·Granted Jun 12, 2012·0 cites·4 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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