Inventor · disambiguated record
Takehiko Kowatari
Also filed as: KOWATARI TAKEHIKO
37 granted patents·7 pending applications·555 citations·filing 1995–2009
98Inventor score
Files withHITACHI LTD35HAYATANI MASAHIKO2HITACHI HIGH TECH CORP2ABE MOTOYUKI1HITACHI AUTOMOTIVE SYSTEMS LTD1
Top patents by PatentIndex Score
44 records- 0196US8033714B2Fluid mixing apparatusHITACHI HIGH TECH CORP·Filed 2006·Granted Oct 11, 2011·77 cites·5 claims
- 0292US6543412B2Intake air control device and internal combustion engine mounting the sameHITACHI LTD·Filed 2001·Granted Apr 8, 2003·72 cites·5 claims
- 0388US7383902B2Hybrid car and control apparatus therefor, and hybrid four-wheel-drive car and control apparatus thereforHITACHI LTD·Filed 2003·Granted Jun 10, 2008·52 cites·20 claims
- 0483US8104698B2Fuel injection valveHAYATANI MASAHIKO·Filed 2006·Granted Jan 31, 2012·13 cites·6 claims
- 0583US7774126B2Electromagnetic fuel injection valve deviceHITACHI LTD·Filed 2008·Granted Aug 10, 2010·12 cites·9 claims
- 0683US7237639B2Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicleHITACHI LTD·Filed 2006·Granted Jul 3, 2007·14 cites·6 claims
- 0779US6932051B2Throttle valve opening and closing deviceHITACHI LTD·Filed 2003·Granted Aug 23, 2005·17 cites·9 claims
- 0878US7607418B2Fuel injection nozzle and method of holding the sameHITACHI LTD·Filed 2008·Granted Oct 27, 2009·8 cites·6 claims
- 0977US6199537B1Method and apparatus for controlling intake air flow rate of an engine and method for controlling outputHITACHI LTD·Filed 1999·Granted Mar 13, 2001·23 cites·20 claims
- 1076US7219497B2Hybrid car and control method of the sameHITACHI LTD·Filed 2005·Granted May 22, 2007·13 cites·10 claims
- 1175US7387263B2Fuel injection valve of engine, fuel injection method and assembling method of the sameHITACHI LTD·Filed 2005·Granted Jun 17, 2008·7 cites·8 claims
- 1275US6912993B2Throttle systemHITACHI LTD·Filed 2003·Granted Jul 5, 2005·17 cites·19 claims
- 1374US6508236B2Fuel supply device and internal combustion engine mounting the sameHITACHI LTD·Filed 2001·Granted Jan 21, 2003·15 cites·10 claims
- 1471US8991783B2Fuel injection valve for internal combustion engineABE MOTOYUKI·Filed 2009·Granted Mar 31, 2015·7 cites·5 claims
- 1571US7040283B2Throttle valve opening and closing deviceHITACHI LTD·Filed 2005·Granted May 9, 2006·5 cites·9 claims
- 1670US7703561B2Power steering systemHITACHI LTD·Filed 2006·Granted Apr 27, 2010·8 cites·6 claims
- 1769US7243635B2Throttle valve opening and closing deviceHITACHI LTD·Filed 2005·Granted Jul 17, 2007·3 cites·7 claims
- 1868US5832403AAir flow measuring apparatus and method thereofHITACHI LTD·Filed 1996·Granted Nov 3, 1998·31 cites·12 claims
- 1967US7357123B2Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the sameHITACHI LTD·Filed 2005·Granted Apr 15, 2008·6 cites·5 claims
- 2067US6098594AElectric-control-type throttle apparatusHITACHI LTD·Filed 1998·Granted Aug 8, 2000·23 cites·17 claims
- 2163US7455143B2Vehicle drive unitHITACHI LTD·Filed 2006·Granted Nov 25, 2008·5 cites·10 claims
- 2259US7114589B2Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicleHITACHI LTD·Filed 2004·Granted Oct 3, 2006·10 cites·4 claims
- 2358US6543416B2Electric-control-type throttle apparatusHITACHI LTD·Filed 2002·Granted Apr 8, 2003·8 cites·2 claims
- 2458US5750889AAir flow rate measuring apparatus and air flow rate measuring methodHITACHI LTD·Filed 1995·Granted May 12, 1998·22 cites·15 claims
- 2557US6386182B2Method and apparatus for controlling intake air flow rate of an engine and method for controlling outputHITACHI LTD·Filed 2001·Granted May 14, 2002·6 cites·3 claims
- 2654US8230839B2Fuel injection valveHAYATANI MASAHIKO·Filed 2006·Granted Jul 31, 2012·2 cites·4 claims
- 2754US7040439B2Hybrid car control apparatusHITACHI LTD·Filed 2003·Granted May 9, 2006·11 cites·4 claims
- 2851US7054726B2Control apparatus for vehicle-use electric power generatorHITACHI LTD·Filed 2003·Granted May 30, 2006·9 cites·7 claims
- 2951US5952571AThermal type flow meterHITACHI LTD·Filed 1997·Granted Sep 14, 1999·17 cites·7 claims
- 3049US7174877B2Throttle valve opening and closing deviceHITACHI LTD·Filed 2005·Granted Feb 13, 2007·0 cites·5 claims
- 3149US6697743B2Apparatus for measuring intake air flow of internal combustion engineHITACHI LTD·Filed 2002·Granted Feb 24, 2004·6 cites·19 claims
- 3248US6089208AThrottle valve opening and closing apparatus for a vehicle, and vehicle internal combustion engine using the apparatusHITACHI LTD·Filed 1998·Granted Jul 18, 2000·13 cites·14 claims
- 3347US6401690B1Electric-control-type throttle apparatusHITACHI LTD·Filed 2000·Granted Jun 11, 2002·5 cites·4 claims
- 3447US6334083B1Intake air flow rate measurement apparatusHITACHI LTD·Filed 1999·Granted Dec 25, 2001·10 cites·5 claims
- 3547US2011042491A1Fuel Injection ValveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2009·Application pending·0 cites
- 3647US2007036694A1Exhaust aftertreatment system using urea waterHITACHI HIGH TECH CORP·Filed 2006·Application pending·0 cites
- 3746US2009188990A1Fuel injector and internal combustion engineHITACHI LTD·Filed 2009·Application pending·0 cites
- 3841US2004251651A1Vehicle suspension, vehicle control method and vehicle control apparatusHITACHI LTD·Filed 2004·Application pending·0 cites
- 3940US7308960B2Vehicle drive train unit and vehicle drive train systemHITACHI LTD·Filed 2004·Granted Dec 18, 2007·4 cites·11 claims
- 4040US6684850B2Electric-control-type throttle apparatusHITACHI LTD·Filed 2003·Granted Feb 3, 2004·2 cites·5 claims
- 4140US6459984B1Intake air flow rate measurement apparatusHITACHI LTD·Filed 2001·Granted Oct 1, 2002·2 cites·4 claims
- 4237US2002129790A1Method and apparatus for controlling intake air flow rate of an engine and method for controlling outputFiled 2002·Application pending·0 cites
- 4336US2003075147A1Method and apparatus for controlling intake airflow rate of an engine and method for controlling outputFiled 2001·Application pending·0 cites
- 4434US2004237931A1Mixture supply device for internal-combustion engineFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →