Inventor · disambiguated record
Mitsuaki Hirakawa
Also filed as: HIRAKAWA MITSUAKI
37 granted patents·4 pending applications·1,010 citations·filing 1992–2013
98Inventor score
Top patents by PatentIndex Score
41 records- 0199US7504811B2DC/DC converterHONDA MOTOR CO LTD·Filed 2007·Granted Mar 17, 2009·204 cites·12 claims
- 0298US7948221B2Electric power converterHONDA MOTOR CO LTD·Filed 2007·Granted May 24, 2011·259 cites·6 claims
- 0395US5255753AFoot structure for legged walking robotHONDA MOTOR CO LTD·Filed 1992·Granted Oct 26, 1993·94 cites·17 claims
- 0493US7808355B2Combined type transformer and buck-boost circuit using the sameHONDA MOTOR CO LTD·Filed 2008·Granted Oct 5, 2010·22 cites·3 claims
- 0593US7292462B2DC/DC converter having transistor switches with flywheel diodes and program for controlling the transistor switchesHONDA MOTOR CO LTD·Filed 2005·Granted Nov 6, 2007·63 cites·27 claims
- 0692US7839255B2Composite transformer and power converter using sameHONDA MOTOR CO LTD·Filed 2009·Granted Nov 23, 2010·22 cites·9 claims
- 0791US8325004B2Composite transformerNAGANO MASAO·Filed 2011·Granted Dec 4, 2012·12 cites·6 claims
- 0891US7400116B2Pre-charging system for smoothing capacitorHONDA MOTOR CO LTD·Filed 2005·Granted Jul 15, 2008·30 cites·6 claims
- 0989US8440338B2Battery assembling body and vehicle on which battery assembling body is mountedSATO KAZUO·Filed 2009·Granted May 14, 2013·10 cites·10 claims
- 1089US7965069B2Power converter and multiport power converterHONDA MOTOR CO LTD·Filed 2008·Granted Jun 21, 2011·27 cites·15 claims
- 1188US8228690B2DC-DC converter and power supplying system including sameWATANABE YASUTO·Filed 2010·Granted Jul 24, 2012·17 cites·21 claims
- 1288US8138744B2Combined type transformer and buck-boost circuit using the sameNAGANO MASAO·Filed 2010·Granted Mar 20, 2012·10 cites·15 claims
- 1385US9327658B2Power conversion device in electric vehicleHONDA MOTOR CO LTD·Filed 2013·Granted May 3, 2016·8 cites·20 claims
- 1485US8659272B2Bidirectional boost-buck DC-DC converterWATANABE YASUTO·Filed 2010·Granted Feb 25, 2014·9 cites·12 claims
- 1584US8037956B2Vehicle mounted with fuel cell power supply systemHONDA MOTOR CO LTD·Filed 2008·Granted Oct 18, 2011·7 cites·8 claims
- 1683US7994745B2Power supply device for vehiclesHONDA MOTOR CO LTD·Filed 2008·Granted Aug 9, 2011·15 cites·4 claims
- 1783US6419040B2Driving force control system for four-wheel drive vehiclesHONDA MOTOR CO LTD·Filed 2000·Granted Jul 16, 2002·44 cites·5 claims
- 1882US7151364B2DC/DC converter and programHONDA MOTOR CO LTD·Filed 2005·Granted Dec 19, 2006·21 cites·5 claims
- 1978US8664926B2DC-DC converter and power supplying system using a DC-DC converterNAKATOMI SOMEI·Filed 2010·Granted Mar 4, 2014·10 cites·6 claims
- 2078US8400250B2Composite transformerNAGANO MASAO·Filed 2011·Granted Mar 19, 2013·4 cites·7 claims
- 2175US8008801B2Vehicle power supply deviceHONDA MOTOR CO LTD·Filed 2008·Granted Aug 30, 2011·10 cites·5 claims
- 2274US7796003B2Multi-parallel magnetic-field cancellation type transformerHONDA MOTOR CO LTD·Filed 2009·Granted Sep 14, 2010·9 cites·9 claims
- 2373US8013703B2Multi-parallel magnetic-field cancellation type transformerHONDA MOTOR CO LTD·Filed 2010·Granted Sep 6, 2011·2 cites·12 claims
- 2471US7602165B2Phase control device for DC/DC converterHONDA MOTOR CO LTD·Filed 2007·Granted Oct 13, 2009·12 cites·20 claims
- 2571US7388353B2Discharging system for smoothing capacitorHONDA MOTOR CO LTD·Filed 2005·Granted Jun 17, 2008·10 cites·2 claims
- 2671US7304461B2DC/DC converterHONDA MOTOR CO LTD·Filed 2005·Granted Dec 4, 2007·8 cites·25 claims
- 2768US8084988B2Power supply systemFUJINO TAKESHI·Filed 2009·Granted Dec 27, 2011·8 cites·8 claims
- 2867US8481220B2Fuel cell power supplyHIRAKAWA MITSUAKI·Filed 2009·Granted Jul 9, 2013·2 cites·10 claims
- 2965US7804196B2Multiple input/output power converter and fuel cell vehicle with sameHONDA MOTOR CO LTD·Filed 2007·Granted Sep 28, 2010·8 cites·18 claims
- 3061US7994751B2Fuel cell power supply deviceHONDA MOTOR CO LTD·Filed 2008·Granted Aug 9, 2011·4 cites·11 claims
- 3161US6222334B1Regenerative braking systemHONDA MOTOR CO LTD·Filed 1999·Granted Apr 24, 2001·42 cites·8 claims
- 3255US8106635B2Power converterWATANABE YASUTO·Filed 2009·Granted Jan 31, 2012·4 cites·4 claims
- 3355US8097373B2Fuel cell power supply deviceFUJINO TAKESHI·Filed 2008·Granted Jan 17, 2012·0 cites·15 claims
- 3452US7861812B2VehicleHONDA MOTOR CO LTD·Filed 2008·Granted Jan 4, 2011·1 cites·7 claims
- 3548US2009267718A1Magnetic-field cancellation type transformerHONDA MOTOR CO LTD·Filed 2009·Application pending·0 cites
- 3646US9252665B2DC-DC converter control apparatusHASHINO SATOSHI·Filed 2011·Granted Feb 2, 2016·1 cites·14 claims
- 3745US8184421B2Power converterWATANABE YASUTO·Filed 2009·Granted May 22, 2012·1 cites·12 claims
- 3845US2010104906A1Fuel cell power supply deviceHONDA MOTOR CO LTD·Filed 2008·Application pending·0 cites
- 3943US2011298427A1Battery heating apparatus for vehicleUEMURA TAKURO·Filed 2011·Application pending·0 cites
- 4039US2011156642A1Power systemHONDA MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 4137US7583064B2Booster circuitHONDA MOTOR CO LTD·Filed 2007·Granted Sep 1, 2009·0 cites·17 claims
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