Inventor · disambiguated record
Akeshi Takahashi
Also filed as: TAKAHASHI AKESHI
22 granted patents·10 pending applications·58 citations·filing 2006–2023
92Inventor score
Files withHITACHI LTD15HITACHI ASTEMO LTD6HITACHI APPLIANCES INC5TAKAHASHI AKESHI2HITACHI HIGH TECH CORP1
Top patents by PatentIndex Score
32 records- 0191US11716039B2Winding switching device and rotating electrical machine drive system using the sameHITACHI ASTEMO LTD·Filed 2020·Granted Aug 1, 2023·2 cites·12 claims
- 0285US7531934B2Self-start synchronous motor with permanent magnets and at least one frictional agitation joint, method for manufacturing the same and compressor comprising the sameHITACHI APPLIANCES INC·Filed 2006·Granted May 12, 2009·18 cites·12 claims
- 0383USD1024961SElectric motorHITACHI LTD·Filed 2022·Granted Apr 30, 2024·9 cites·1 claims
- 0478US7772736B2Permanent magnet synchronous motor, rotor of the same, and compressor using the sameHITACHI APPLIANCES INC·Filed 2007·Granted Aug 10, 2010·9 cites·11 claims
- 0575US7453181B2Permanent magnet synchronous motor and compressor using the sameHITACHI APPLIANCES INC·Filed 2006·Granted Nov 18, 2008·7 cites·20 claims
- 0674US7592734B2Three-phase permanent magnet brushless motorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Sep 22, 2009·7 cites·4 claims
- 0765USD997874SElectric motorHITACHI LTD·Filed 2022·Granted Sep 5, 2023·3 cites·1 claims
- 0863US12512706B2Stator for dynamo-electric machine, dynamo-electric machine, electric drive system, and electrified wheelHITACHI LTD·Filed 2022·Granted Dec 30, 2025·0 cites·12 claims
- 0963US7501734B2Motor, compressor, and air conditionerHITACHI APPLIANCES INC·Filed 2006·Granted Mar 10, 2009·3 cites·12 claims
- 1062US12132430B2Rotating machine drive system and vehicleHITACHI ASTEMO LTD·Filed 2020·Granted Oct 29, 2024·0 cites·12 claims
- 1161US12306202B2Conveyance deviceHITACHI HIGH TECH CORP·Filed 2021·Granted May 20, 2025·0 cites·6 claims
- 1258US2025167614A1Rotating electric machine and drive unit including the sameHITACHI ASTEMO LTD·Filed 2023·Application pending·0 cites
- 1358US2024317015A1Heat cycle system, in-wheel motor, and vehicleHITACHI LTD·Filed 2022·Application pending·0 cites
- 1455US12062516B2Switch and winding switching deviceHITACHI ASTEMO LTD·Filed 2020·Granted Aug 13, 2024·0 cites·9 claims
- 1555US2025183671A1Power Generating SystemHITACHI LTD·Filed 2022·Application pending·0 cites
- 1655US2024322628A1Rotary electrical machineHITACHI LTD·Filed 2022·Application pending·0 cites
- 1754US12301071B2Motor control device, mechatronic unit, power generation system, boost converter system, and electric vehicle systemHITACHI LTD·Filed 2021·Granted May 13, 2025·0 cites·15 claims
- 1854US2024253447A1In-wheel motorHITACHI LTD·Filed 2022·Application pending·0 cites
- 1953US12431753B2Rotating electric machine and method for manufacturing rotating electric machineHITACHI ASTEMO LTD·Filed 2021·Granted Sep 30, 2025·0 cites·11 claims
- 2051US2009200885A1Self starting permanent magnet synchronous motorHITACHI LTD·Filed 2008·Application pending·0 cites
- 2150US12184119B2Rotary electric machine and vehicleHITACHI ASTEMO LTD·Filed 2020·Granted Dec 31, 2024·0 cites·10 claims
- 2250US2023268790A1Stator, Rotary Electric Machine, Electric Wheel, and VehicleHITACHI LTD·Filed 2021·Application pending·0 cites
- 2350US2023001780A1Rotating electric machine and electrical wheel using thisHITACHI LTD·Filed 2020·Application pending·0 cites
- 2449US10658905B2Rotating electrical machine, compressor system, and pump systemHITACHI INDUSTRIAL PRODUCTS LTD·Filed 2018·Granted May 19, 2020·0 cites·6 claims
- 2549US2023223808A1Winding for electromagnetic component, stator for rotary electric machine, rotary electric machine, and wheelHITACHI LTD·Filed 2021·Application pending·0 cites
- 2648US12034390B2Winding switching device of rotating electric machine, rotating electric machine drive system, and electric deviceHITACHI LTD·Filed 2020·Granted Jul 9, 2024·0 cites·9 claims
- 2747US10270303B2Permanent magnet electric motor having slits and projections to minimize irreversible demagnetizationHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2014·Granted Apr 23, 2019·0 cites·3 claims
- 2846US11601082B2Rotary machine driving system and vehicleHITACHI LTD·Filed 2019·Granted Mar 7, 2023·0 cites·9 claims
- 2946US7902713B2Self-starting type permanent magnet synchronous motor and a compressor using the sameHITACHI APPLIANCES INC·Filed 2008·Granted Mar 8, 2011·0 cites·11 claims
- 3044US11233474B2Rotating machine drive systemHITACHI LTD·Filed 2018·Granted Jan 25, 2022·0 cites·11 claims
- 3138US8729762B2Permanent magnet synchronous machine, and pressing or extrusion machine including permanent magnet synchronous machineTAKAHASHI AKESHI·Filed 2011·Granted May 20, 2014·0 cites·6 claims
- 3238US2008238235A1Motor and compressor using the sameTAKAHASHI AKESHI·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →