Inventor · disambiguated record
Reiji Kawashima
Also filed as: KAWASHIMA REIJI
26 granted patents·7 pending applications·177 citations·filing 1999–2024
94Inventor score
Top patents by PatentIndex Score
33 records- 0192US8098035B2Motor control unitSEKIMOTO MORIMITSU·Filed 2007·Granted Jan 17, 2012·32 cites·7 claims
- 0285US6137700AConverter with a high power factor using a DC center point voltageDAIKIN IND LTD·Filed 1999·Granted Oct 24, 2000·91 cites·15 claims
- 0383US12438440B2Noise reduction circuit, power conversion device, and refrigeration apparatusDAIKIN IND LTD·Filed 2024·Granted Oct 7, 2025·1 cites·14 claims
- 0481US10511220B2Control device for active filterDAIKIN IND LTD·Filed 2017·Granted Dec 17, 2019·4 cites·5 claims
- 0580US11577186B2Active filter system and air conditioning deviceDAIKIN IND LTD·Filed 2018·Granted Feb 14, 2023·2 cites·6 claims
- 0680US10651651B2Device with built-in active filterDAIKIN IND LTD·Filed 2017·Granted May 12, 2020·3 cites·8 claims
- 0779US10903755B2Power conversion deviceDAIKIN IND LTD·Filed 2018·Granted Jan 26, 2021·4 cites·18 claims
- 0875US10048655B2Control device outputting a control input to a system based on an observable amount obtained from the systemDAIKIN IND LTD·Filed 2014·Granted Aug 14, 2018·2 cites·12 claims
- 0972US10110113B2Active filter and AC-DC conversion deviceDAIKIN IND LTD·Filed 2015·Granted Oct 23, 2018·2 cites·16 claims
- 1068US7667941B2Power supply circuit protecting method and apparatus for the sameDAIKIN IND LTD·Filed 2005·Granted Feb 23, 2010·9 cites·30 claims
- 1165US10447191B2Power conversion deviceDAIKIN IND LTD·Filed 2014·Granted Oct 15, 2019·2 cites·8 claims
- 1265US7187566B2Three-phase rectifierDAIKIN IND LTD·Filed 2001·Granted Mar 6, 2007·18 cites·5 claims
- 1362US12249906B2Air conditionerDAIKIN IND LTD·Filed 2021·Granted Mar 11, 2025·0 cites·17 claims
- 1462US2025030244A1Load device and control methodDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 1561US12155212B2Power control system and deviceDAIKIN IND LTD·Filed 2021·Granted Nov 26, 2024·0 cites·10 claims
- 1661US8030661B2Power conversion apparatusDAIKIN IND LTD·Filed 2007·Granted Oct 4, 2011·2 cites·16 claims
- 1760US12224678B2Power converter and heat pump system provided therewithDAIKIN IND LTD·Filed 2023·Granted Feb 11, 2025·0 cites·20 claims
- 1858US11750112B2Inverter device including a bootstrap circuitDAIKIN IND LTD·Filed 2022·Granted Sep 5, 2023·0 cites·16 claims
- 1958US9835364B2Active filter control deviceDAIKIN IND LTD·Filed 2013·Granted Dec 5, 2017·1 cites·7 claims
- 2058US2024251502A1Substrate structureDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 2157US12355379B2Power conversion systemDAIKIN IND LTD·Filed 2023·Granted Jul 8, 2025·0 cites·20 claims
- 2257US12095434B2Current distortion reduction apparatusDAIKIN IND LTD·Filed 2021·Granted Sep 17, 2024·0 cites·7 claims
- 2357US2024255167A1Air conditioner and control systemDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 2453US9178412B2Bidirectional switch circuit configured to conduct current in reverse direction without applying an on-drive signal and power converter including the sameKAWASHIMA REIJI·Filed 2010·Granted Nov 3, 2015·2 cites·13 claims
- 2552US11788752B2Power source quality management system and air conditioning apparatusDAIKIN IND LTD·Filed 2020·Granted Oct 17, 2023·0 cites·20 claims
- 2649US2023369856A1Power control system and deviceDAIKIN IND LTD·Filed 2021·Application pending·0 cites
- 2747US2023327706A1Power control system, device, and information processing systemDAIKIN IND LTD·Filed 2021·Application pending·0 cites
- 2846US11374487B2Power source quality management system and air conditionerDAIKIN IND LTD·Filed 2018·Granted Jun 28, 2022·0 cites·18 claims
- 2946US8008886B2Power converterDAIKIN IND LTD·Filed 2005·Granted Aug 30, 2011·2 cites·10 claims
- 3045US11201470B2Power-source power factor control system, phase modifying apparatus, and active filter apparatusDAIKIN IND LTD·Filed 2018·Granted Dec 14, 2021·0 cites·31 claims
- 3144US2024356432A1Power conversion device and refrigeration apparatusDAIKIN IND LTD·Filed 2022·Application pending·0 cites
- 3242US10797584B2Active filter device, air conditioning device, and air conditioning systemDAIKIN IND LTD·Filed 2017·Granted Oct 6, 2020·0 cites·6 claims
- 3338US2011038192A1Converter control methodDAIKIN IND LTD·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →