Inventor · disambiguated record

Kazunori Hatakeyama

Also filed as: HATAKEYAMA KAZUNORI

84 granted patents·20 pending applications·266 citations·filing 2009–2022

99Inventor score

Technology areasH02P F25B H02M Y02B F24F

Files withMITSUBISHI ELECTRIC CORP82 HATAKEYAMA KAZUNORI11 SHINOMOTO YOSUKE5 KAMIYA SHOTA3 SAKANOBE KAZUNORI1

Top patents by PatentIndex Score

104 records

0196US9929636B2DC power-supply device, motor drive device including the same, and refrigeration-cycle application device including the motor drive deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Mar 27, 2018·21 cites·10 claims
0295US9829226B2Heat pump device, heat pump system, and method for controlling inverterHATAKEYAMA KAZUNORI·Filed 2011·Granted Nov 28, 2017·15 cites·15 claims
0395US9618249B2Heat pump device, heat pump system, and method for controlling three-phase inverterHATAKEYAMA KAZUNORI·Filed 2010·Granted Apr 11, 2017·16 cites·15 claims
0493US9829234B2Heat pump device, heat pump system, and method for controlling inverterHATAKEYAMA KAZUNORI·Filed 2011·Granted Nov 28, 2017·15 cites·11 claims
0593US8817506B2Converter circuit, and motor drive control apparatus, air-conditioner, refrigerator, and induction heating cooker provided with the circuitSHIMOMUGI TAKUYA·Filed 2009·Granted Aug 26, 2014·34 cites·12 claims
0692US10281185B2Motor driving device, and heat pump device and refrigerating and air conditioning device using the motor driving deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted May 7, 2019·6 cites·14 claims
0792US9772131B2Heat pump device, and air conditioner, heat pump water heater, refrigerator, and freezing machine including heat pump deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 26, 2017·13 cites·18 claims
0892US9263984B2Air-conditioning apparatusHATAKEYAMA KAZUNORI·Filed 2010·Granted Feb 16, 2016·9 cites·16 claims
0991US11711040B2Motor driving apparatus and refrigeration cycle equipmentMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Jul 25, 2023·4 cites·12 claims
1090US9746216B2Heat pump device, heat pump system, air conditioner, and freezerYAMAKAWA TAKASHI·Filed 2012·Granted Aug 29, 2017·10 cites·16 claims
1189US11070157B2Motor drive unit, compressor, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jul 20, 2021·4 cites·22 claims
1289US9077274B2Heat pump device, heat pump system, and method for controlling three-phase inverterSHINOMOTO YOSUKE·Filed 2011·Granted Jul 7, 2015·11 cites·14 claims
1386US9692289B2DC power-supply device and refrigeration-cycle application device including the sameMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Jun 27, 2017·8 cites·20 claims
1486US8944777B2Air-conditioning apparatusSAKANOBE KAZUNORI·Filed 2010·Granted Feb 3, 2015·9 cites·11 claims
1585US9800077B2DC power-supply device and refrigeration-cycle application device including the sameMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Oct 24, 2017·6 cites·19 claims
1685US9628003B2Direct current power supply device, motor driving device, air conditioner, and refrigeratorMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Apr 18, 2017·6 cites·22 claims
1784US11264924B2Motor driving apparatus and refrigeration cycle equipmentMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Mar 1, 2022·2 cites·16 claims
1884US11070161B2Electric-motor driving device and refrigeration-cycle application apparatus including electric-motor driving deviceMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jul 20, 2021·2 cites·6 claims
1983US11473789B2Outdoor unit for a refrigeration cycle apparatus and refrigerating cycle deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Oct 18, 2022·2 cites·13 claims
2083US11201576B2Motor driving apparatus and refrigeration cycle equipmentMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Dec 14, 2021·2 cites·13 claims
2183US9816737B2DC power-supply device and refrigeration cycle deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Nov 14, 2017·7 cites·13 claims
2282US10270380B2Power converting apparatus and heat pump deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Apr 23, 2019·2 cites·2 claims
2381US11159115B2Motor driving device and refrigerating air-conditioning deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Oct 26, 2021·2 cites·12 claims
2480US9322587B2Heat pump device, air conditioner, and refrigerating machineSHINOMOTO YOSUKE·Filed 2011·Granted Apr 26, 2016·6 cites·18 claims
2579US9960703B2DC power-supply device and refrigeration-cycle application device including the sameMITSUBISHI ELECTRIC CORP·Filed 2013·Granted May 1, 2018·4 cites·13 claims
2678US11506437B2Refrigerating cycle device having wiring switch part that switches between wiring statesMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Nov 22, 2022·1 cites·17 claims
2778US11329587B2Motor driving apparatus, refrigeration cycle system, air conditioner, water heater, and refrigeratorMITSUBISHI ELECTRIC CORP·Filed 2018·Granted May 10, 2022·2 cites·13 claims
2877US11632068B2Motor driving device and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Apr 18, 2023·1 cites·11 claims
2977US11114970B2Motor driver, heat pump system and refrigeration and air conditioning equipment using motor driverMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Sep 7, 2021·1 cites·24 claims
3077US11018615B2Motor drive device and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2017·Granted May 25, 2021·2 cites·10 claims
3177US10581365B2Power converting apparatus and heat pump apparatusMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Mar 3, 2020·3 cites·9 claims
3277US10208991B2Heat pump device, and air conditioner, heat pump water heater, refrigerator and freezing machine including heat pump deviceHATAKEYAMA KAZUNORI·Filed 2011·Granted Feb 19, 2019·3 cites·14 claims
3377US9825575B2Power converting apparatus, dehumidifier, air conditioner, and refrigeration apparatusMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 21, 2017·4 cites·18 claims
3477US9651289B2Heat pump device, heat pump system, and a control method of three-phase inverterHATAKEYAMA KAZUNORI·Filed 2010·Granted May 16, 2017·3 cites·19 claims
3576US10465965B2Heat pump apparatus, and air conditioner, heat pump water heater, and refrigerator including the heat pump apparatusMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 5, 2019·3 cites·7 claims
3676US10113784B2Direct-current power supply device, motor driving device, air conditioner, and refrigeratorMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Oct 30, 2018·2 cites·18 claims
3775US11031896B2Motor driving apparatus and refrigeration cycle equipmentMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jun 8, 2021·1 cites·12 claims
3874US11031895B2Motor drive system and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jun 8, 2021·1 cites·11 claims
3973US11874020B2Motor drive apparatus, blower, compressor, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Jan 16, 2024·1 cites·12 claims
4072US10056826B2Direct-current power supply device for controlling at frequency being 3N times frequency of three-phase alternating current and refrigeration-cycle applied device including the sameMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Aug 21, 2018·3 cites·11 claims
4171US9543887B2Heat pump device, heat pump system, and method for controlling three-phase inverterHATAKEYAMA KAZUNORI·Filed 2010·Granted Jan 10, 2017·3 cites·15 claims
4268US10690370B2Indoor equipment and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Jun 23, 2020·2 cites·5 claims
4367US11632071B2Motor drive device and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Apr 18, 2023·0 cites·18 claims
4467US9496816B2Air conditioner controlling prheating power of compressor and mechanism providing preheating power for compressorHATAKEYAMA KAZUNORI·Filed 2010·Granted Nov 15, 2016·1 cites·12 claims
4566US10605500B2Heat pump device, air conditioner, and freezerKAMIYA SHOTA·Filed 2012·Granted Mar 31, 2020·1 cites·13 claims
4665US10978981B2Drive apparatus for electric motor and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Apr 13, 2021·1 cites·8 claims
4765US9903629B2Heat pump device, air conditioner, and freezerKAMIYA SHOTA·Filed 2012·Granted Feb 27, 2018·2 cites·13 claims
4865US9685800B2Charging/discharging systemHATAKEYAMA KAZUNORI·Filed 2013·Granted Jun 20, 2017·3 cites·20 claims
4963US9739515B2Heat pump device, air conditioner, and freezer that efficiently heats refrigerant on standbyKAMIYA SHOTA·Filed 2012·Granted Aug 22, 2017·2 cites·11 claims
5062US11601076B2Motor driving apparatus and refrigeration cycle equipmentMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Mar 7, 2023·0 cites·20 claims

Showing the top 50 of 104 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →