Assignee

HITACHI JOHNSON CONTROLS AIR CONDITIONING INC

JP·71 granted patents·23 pending applications·216 citations·filing 2013–2025

Technology mixF25B43 F24F41 F04C18 Y02B17 F28D12 F28F12

Top patents by PatentIndex Score

94 records

0194US10557648B2Cooling/heating switching unit and air conditioner including the sameHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Feb 11, 2020·9 cites·8 claims
0293USD937312SDisplay screen or portion thereof of a remote control device with graphical user interfaceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2020·Granted Nov 30, 2021·24 cites·1 claims
0392US10533783B2Air conditioner having compressor bypass and evaluation of volume of connecting pipeHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2018·Granted Jan 14, 2020·6 cites·4 claims
0491USD937311SDisplay screen or portion thereof of a remote control device with graphical user interfaceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2020·Granted Nov 30, 2021·20 cites·1 claims
0587US11280507B2Air-conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Mar 22, 2022·8 cites·8 claims
0686USD936694SDisplay screen or portion thereof of a remote control device with graphical user interfaceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2020·Granted Nov 23, 2021·12 cites·1 claims
0785US11236954B2Heat exchanger and air-conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Feb 1, 2022·5 cites·12 claims
0883US10570323B2Refrigerant composition and refrigeration cycle apparatus including refrigerant compositionHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Feb 25, 2020·2 cites·9 claims
0981US11408618B2Indoor unit of air-conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Aug 9, 2022·4 cites·11 claims
1081US11022372B2Air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2018·Granted Jun 1, 2021·2 cites·8 claims
1181US10920776B2Rotary compressor and assembly method thereofHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Feb 16, 2021·1 cites·18 claims
1280US11015834B2Air conditioning system, air conditioning method, and control deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted May 25, 2021·7 cites·7 claims
1380USD847321SOutdoor unit for air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2018·Granted Apr 30, 2019·16 cites·1 claims
1480USD847322SOutdoor unit for air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2018·Granted Apr 30, 2019·16 cites·1 claims
1579US10557652B2Heat exchanger and air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Feb 11, 2020·2 cites·19 claims
1679USD828911SOutdoor unit for air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2016·Granted Sep 18, 2018·16 cites·1 claims
1778USD938923SRemote controller for air conditioning equipmentHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2020·Granted Dec 21, 2021·9 cites·1 claims
1878US10907871B2Refrigerant flow path switch and air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2018·Granted Feb 2, 2021·2 cites·11 claims
1978US10608570B2Power converter and refrigeration air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Mar 31, 2020·4 cites·4 claims
2078US10359211B2Refrigeration and air conditioning deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2016·Granted Jul 23, 2019·3 cites·6 claims
2178USD827585SRemote controller for air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Sep 4, 2018·22 cites·1 claims
2277US10584744B2Refrigerant compressor with supporting bearing insulationHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Mar 10, 2020·2 cites·5 claims
2377US10473356B2Indoor unit for air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2015·Granted Nov 12, 2019·2 cites·6 claims
2477US10415842B2Outdoor unit for air conditioner, air conditioner, and method for controlling air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Sep 17, 2019·2 cites·9 claims
2576US10804835B2Inverter device, air conditioner, and ground connection method of inverter deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2018·Granted Oct 13, 2020·1 cites·14 claims
2676US10594239B2Motor drive device and refrigeration equipmentHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Mar 17, 2020·2 cites·4 claims
2775US10389282B2DC power supply unit and air conditioner using sameHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2016·Granted Aug 20, 2019·3 cites·20 claims
2874US10612797B2Outdoor unit for air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2016·Granted Apr 7, 2020·2 cites·10 claims
2973US10651774B2Inverter and motor drive device, freezing deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2016·Granted May 12, 2020·1 cites·8 claims
3073US10378782B2Outdoor unitHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2016·Granted Aug 13, 2019·2 cites·6 claims
3171USD939454SRemote controller for air conditioning equipmentHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2020·Granted Dec 28, 2021·6 cites·1 claims
3268US10907902B2Heat exchangerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2015·Granted Feb 2, 2021·1 cites·7 claims
3366US10571178B2Air conditioner and motor controllerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Feb 25, 2020·1 cites·4 claims
3465US12339026B2Air-conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2023·Granted Jun 24, 2025·0 cites·5 claims
3564US10680544B2Power conversion device and air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Jun 9, 2020·1 cites·5 claims
3663US11162705B2Refrigeration cycle controlHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Nov 2, 2021·0 cites·17 claims
3762US10662934B2Electric compressor, and refrigeration air-conditioning apparatusHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2018·Granted May 26, 2020·0 cites·15 claims
3859US11542942B2Dynamic radial compliance in scroll compressorsHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2020·Granted Jan 3, 2023·0 cites·16 claims
3959US2025180257A1Compressor and refrigeration cycle deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2025·Application pending·0 cites
4058US11067325B2Refrigeration cycle optimizationHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Jul 20, 2021·0 cites·10 claims
4158US11041667B2Refrigeration cycle apparatusHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Jun 22, 2021·0 cites·6 claims
4257US10989432B2Predictive refrigeration cycleHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Apr 27, 2021·0 cites·14 claims
4357US10557654B2Collective device for switching refrigerant flowHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Feb 11, 2020·0 cites·8 claims
4455US12000395B2Scroll compressor and refrigeration cycle deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2022·Granted Jun 4, 2024·0 cites·18 claims
4555US11890721B2Screw rotor processing method and screw rotor lead correction calculation deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Feb 6, 2024·0 cites·5 claims
4655US2025283466A1Scroll compressor and air conditioning deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2025·Application pending·0 cites
4755US2021269692A1Refrigeration cycle apparatusHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Application pending·0 cites
4854US11204188B2Air-conditioning deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Dec 21, 2021·0 cites·8 claims
4953US10845098B2Air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2018·Granted Nov 24, 2020·0 cites·6 claims
5053US10066859B2Refrigerating cycle deviceHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2013·Granted Sep 4, 2018·0 cites·8 claims

Showing the top 50 of 94 patent records by PatentIndex Score.

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