Inventor · disambiguated record
Junnosuke Nakatsugawa
Also filed as: NAKATSUGAWA JUNNOSUKE
23 granted patents·5 pending applications·205 citations·filing 2001–2022
95Inventor score
Files withHITACHI LTD9HITACHI AUTOMOTIVE SYSTEMS LTD4IWASAKI NORIHISA3NAKATSUGAWA JUNNOSUKE3HITACHI ASTEMO LTD2
Top patents by PatentIndex Score
28 records- 0191US7825620B2Controller and constant measuring apparatus for AC motorHITACHI LTD·Filed 2007·Granted Nov 2, 2010·25 cites·10 claims
- 0291US7224133B2Control apparatus, dual chip inverter and single chip inverter of AC motorsHITACHI LTD·Filed 2005·Granted May 29, 2007·12 cites·9 claims
- 0388US6828752B2Driving equipment and semiconductor equipment for alternating-current motorHITACHI LTD·Filed 2003·Granted Dec 7, 2004·42 cites·13 claims
- 0487US8575804B2Magnetic gearNAKATSUGAWA JUNNOSUKE·Filed 2012·Granted Nov 5, 2013·9 cites·12 claims
- 0586US8513842B2Heat radiation structure for rotary electromotorIWASAKI NORIHISA·Filed 2011·Granted Aug 20, 2013·9 cites·5 claims
- 0686US6570358B2Control apparatus for alternating-current motorHITACHI LTD·Filed 2001·Granted May 27, 2003·34 cites·7 claims
- 0784US8044618B2Control apparatus for AC motorHITACHI LTD·Filed 2008·Granted Oct 25, 2011·15 cites·14 claims
- 0881US8742704B2AC motor control device and AC motor driving systemNAKATSUGAWA JUNNOSUKE·Filed 2010·Granted Jun 3, 2014·6 cites·27 claims
- 0978US9385581B2Magnetic gear mechanismENOMOTO YUJI·Filed 2011·Granted Jul 5, 2016·5 cites·2 claims
- 1076US8502425B2Totally enclosed motorMATSUMOTO HIRONORI·Filed 2011·Granted Aug 6, 2013·4 cites·9 claims
- 1176US8410735B2Torque ripple suppression control device for permanent magnet motor and electric power steering systemTOBARI KAZUAKI·Filed 2011·Granted Apr 2, 2013·4 cites·17 claims
- 1274US6657413B2Driving equipment for synchronous motorsHITACHI LTD·Filed 2001·Granted Dec 2, 2003·21 cites·6 claims
- 1373US7859209B2Control device for synchronous motorRENESAS ELECTRONICS CORP·Filed 2007·Granted Dec 28, 2010·7 cites·8 claims
- 1470US8362727B2Control device for synchronous motorRENESAS ELECTRONICS CORP·Filed 2010·Granted Jan 29, 2013·2 cites·16 claims
- 1567US9337708B2Magnetic gear-type electric rotating machineNAKATSUGAWA JUNNOSUKE·Filed 2011·Granted May 10, 2016·2 cites·8 claims
- 1666US10411549B2Rotating electric machine having protective cover for improving rotorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Sep 10, 2019·2 cites·9 claims
- 1762US12510064B2Linear motor, compressor equipped with linear motor, refrigerator equipped with compressor, and vehicle air suspension equipped with compressorHITACHI ASTEMO LTD·Filed 2022·Granted Dec 30, 2025·0 cites·10 claims
- 1860US7847500B2Synchronous motor control deviceRENESAS TECH CORP·Filed 2007·Granted Dec 7, 2010·4 cites·7 claims
- 1957US8664902B2Polyphase AC motor, driving device and driving method thereforIWASAKI NORIHISA·Filed 2009·Granted Mar 4, 2014·2 cites·12 claims
- 2055US10811950B2Linear motor and device provided with linear motorHITACHI LTD·Filed 2015·Granted Oct 20, 2020·0 cites·12 claims
- 2152US2007285044A1Control apparatus, dual chip inverter and single chip inverter of AC motorsHITACHI LTD·Filed 2007·Application pending·0 cites
- 2249US11962215B2Linear motion motorHITACHI LTD·Filed 2020·Granted Apr 16, 2024·0 cites·12 claims
- 2348US9143025B2Magnetic gear mechanism including a plurality of rotors or statorsIWASAKI NORIHISA·Filed 2012·Granted Sep 22, 2015·0 cites·2 claims
- 2448US2014132197A1Electric Actuator For AutomobileHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Application pending·0 cites
- 2548US2014062254A1Permanent Magnet Rotating Electrical MachineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Application pending·0 cites
- 2647US12107470B2Rotary electric machine and in-vehicle motor systemHITACHI ASTEMO LTD·Filed 2020·Granted Oct 1, 2024·0 cites·8 claims
- 2746US2014009041A1Rotating electrical machineHITACHI AUTOMOTIVE SYSTEMNS LTD·Filed 2013·Application pending·0 cites
- 2846US2013257200A1In-Vehicle Motor and Electric Power Steering Device Including the SameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →