Inventor · disambiguated record
Koichi Arisawa
Also filed as: ARISAWA KOICHI
72 granted patents·33 pending applications·134 citations·filing 2005–2023
98Inventor score
Top patents by PatentIndex Score
105 records- 0194US10686397B2Motor system, motor drive device, refrigeration cycle device, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Jun 16, 2020·7 cites·14 claims
- 0292US10281185B2Motor 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
- 0391US9653906B2Overcurrent detection circuit, inverter, compressor, and air-conditioning machine, and adjusting method for adjusting overcurrent detection circuitMITSUBISHI ELECTRIC CORP·Filed 2016·Granted May 16, 2017·5 cites·12 claims
- 0490US9431915B2Power conversion apparatus and refrigeration air-conditioning apparatusARISAWA KOICHI·Filed 2013·Granted Aug 30, 2016·12 cites·18 claims
- 0590US9136757B2Power converter and refrigerating and air-conditioning apparatusARISAWA KOICHI·Filed 2010·Granted Sep 15, 2015·14 cites·17 claims
- 0688US11005410B2Motor driving apparatusMITSUBISHI ELECTRIC CORP·Filed 2016·Granted May 11, 2021·3 cites·24 claims
- 0787US9225258B2Backflow preventing means, power converting device, and refrigerating and air-conditioning apparatusSHIMOMUGI TAKUYA·Filed 2011·Granted Dec 29, 2015·14 cites·19 claims
- 0885US9240736B2Power converting device, motor driving device, and refrigerating and air-conditioning apparatusSHIMOMUGI TAKUYA·Filed 2011·Granted Jan 19, 2016·8 cites·19 claims
- 0984US7548443B2Three-phase PWM-signal generating apparatusMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jun 16, 2009·21 cites·20 claims
- 1081US12316237B2Power conversion device, motor drive unit, and refrigeration cycle apparatusMITSUBISHI ELECTRIC CORP·Filed 2020·Granted May 27, 2025·1 cites·15 claims
- 1181US11159115B2Motor driving device and refrigerating air-conditioning deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Oct 26, 2021·2 cites·12 claims
- 1278US11506437B2Refrigerating cycle device having wiring switch part that switches between wiring statesMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Nov 22, 2022·1 cites·17 claims
- 1378US9647604B2Power conversion device, motor drive device including power conversion device, air blower and compressor including motor drive device, and air conditioner, refrigerator, and freezer including air blower and compressorMITSUBISHI ELECTRIC CORP·Filed 2013·Granted May 9, 2017·4 cites·20 claims
- 1477US11368118B2Motor driving device and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Jun 21, 2022·2 cites·7 claims
- 1577US11114970B2Motor 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
- 1677US9825575B2Power converting apparatus, dehumidifier, air conditioner, and refrigeration apparatusMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 21, 2017·4 cites·18 claims
- 1776US11804786B2Power converting apparatus, motor driving apparatus, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Oct 31, 2023·2 cites·12 claims
- 1875US11811332B2Direct-current power supply apparatus, motor drive control apparatus, blower, compressor, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Nov 7, 2023·2 cites·16 claims
- 1975US9780717B2Power conversion device, motor driving device including power conversion device, blower and compressor including motor driving device, and air conditioner, refrigerator, and freezer including blower and compressorMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Oct 3, 2017·4 cites·18 claims
- 2074US11909299B2Power converting apparatus, motor driving apparatus, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Feb 20, 2024·2 cites·22 claims
- 2174US10658966B2Motor driving apparatus, refrigerator, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2016·Granted May 19, 2020·1 cites·13 claims
- 2273US11005404B2Motor driving apparatusMITSUBISHI ELECTRIC CORP·Filed 2016·Granted May 11, 2021·1 cites·10 claims
- 2370US11863099B2Air conditioner and driving deviceMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Jan 2, 2024·1 cites·20 claims
- 2469US11683001B2Motor driving apparatusMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Jun 20, 2023·0 cites·8 claims
- 2569US9531250B2Power conversion device and refrigeration/air-conditioning systemARISAWA KOICHI·Filed 2011·Granted Dec 27, 2016·3 cites·18 claims
- 2667US9941810B2Power conversion device for converting AC power into DC powerMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Apr 10, 2018·2 cites·7 claims
- 2765US12379427B2Electrical apparatus and refrigeration cyclerMITSUBISHI ELECTRIC CORP·Filed 2023·Granted Aug 5, 2025·0 cites·9 claims
- 2864US10992218B2Harmonic suppression device and harmonic suppression systemMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Apr 27, 2021·1 cites·12 claims
- 2961US12326265B2Outdoor unit for air-conditioning apparatusMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Jun 10, 2025·0 cites·9 claims
- 3061US8836258B2Inverter device, motor driving device, refrigerating air conditioner, and power generation systemARISAWA KOICHI·Filed 2009·Granted Sep 16, 2014·4 cites·14 claims
- 3160US12009734B2Power conversion device and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Jun 11, 2024·0 cites·20 claims
- 3260US10128775B2Motor drive apparatus and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 13, 2018·1 cites·16 claims
- 3359US12107510B2Power converting apparatus, and motor driving apparatusMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Oct 1, 2024·0 cites·2 claims
- 3459US9991817B2Power converting device that uses a sine-wave-shaped current control range to output drive signalMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Jun 5, 2018·1 cites·10 claims
- 3559US9960702B2Switch device, power conversion device, motor drive device, air blower, compressor, air conditioner, refrigerator, and freezerMITSUBISHI ELECTRIC CORP·Filed 2013·Granted May 1, 2018·1 cites·19 claims
- 3659US9742267B2Power conversion apparatus and refrigeration air-conditioning apparatusMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Aug 22, 2017·1 cites·17 claims
- 3759US9641121B2Power conversion device and motor drive device including power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted May 2, 2017·1 cites·18 claims
- 3858US9929637B2Power converting deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Mar 27, 2018·1 cites·27 claims
- 3957US12249928B2Power converter, motor driver, and refrigeration cycle applied equipmentMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Mar 11, 2025·0 cites·9 claims
- 4056US12212262B2Power converting apparatus, motor driving apparatus, blower, compressor, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Jan 28, 2025·0 cites·10 claims
- 4156US10177703B2Power conversion device and compressor driving deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Jan 8, 2019·0 cites·15 claims
- 4252US11906177B2Outdoor unitMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Feb 20, 2024·0 cites·16 claims
- 4352US11788738B2Outdoor unit and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Oct 17, 2023·0 cites·10 claims
- 4451US11811330B2Converter device, motor drive device and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Nov 7, 2023·0 cites·8 claims
- 4551US11398790B2Air conditionerMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jul 26, 2022·0 cites·10 claims
- 4651US11391473B2Outdoor unit and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Jul 19, 2022·0 cites·8 claims
- 4751US2025219560A1Power conversion apparatus, motor drive apparatus, and refrigeration cycle application deviceMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 4851US2025219553A1Power converting apparatus, motor drive apparatus, and refrigeration-cycle application deviceMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 4950US11976827B2Outdoor unit and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2018·Granted May 7, 2024·0 cites·20 claims
- 5050US11387768B2Direct-current power supply device, motor drive device, blower, compressor, and air conditionerMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Jul 12, 2022·0 cites·13 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →