Inventor · disambiguated record
Hirotaka Doi
Also filed as: DOI HIROTAKA
13 granted patents·6 pending applications·26 citations·filing 2007–2025
86Inventor score
Files withDAIKIN IND LTD12KAGIMURA SUMIO2FUJIFILM BUSINESS INNOVATION CORP1IKEDA MOTONOBU1PANASONIC CORP1
Top patents by PatentIndex Score
19 records- 0183US12438440B2Noise reduction circuit, power conversion device, and refrigeration apparatusDAIKIN IND LTD·Filed 2024·Granted Oct 7, 2025·1 cites·14 claims
- 0280US11391472B2Heat exchange unitDAIKIN IND LTD·Filed 2020·Granted Jul 19, 2022·1 cites·10 claims
- 0379US8988836B2Power circuit, and computer-readable recording medium storing a control program for power circuitsSARUWATARI HIROTAKA·Filed 2010·Granted Mar 24, 2015·6 cites·5 claims
- 0476US8618461B2Solid-state imaging device and imaging devicePANASONIC CORP·Filed 2013·Granted Dec 31, 2013·4 cites·16 claims
- 0572US9035193B2Connecting member of electrical circuitKAGIMURA SUMIO·Filed 2009·Granted May 19, 2015·8 cites·10 claims
- 0671US10495327B2Inverter apparatusDAIKIN IND LTD·Filed 2016·Granted Dec 3, 2019·2 cites·4 claims
- 0762US2022363833A1Liquid composition, metallic luster film, and articleFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Application pending·0 cites
- 0860US10038256B2Module-terminal block connection structure and connection methodDAIKIN IND LTD·Filed 2015·Granted Jul 31, 2018·2 cites·8 claims
- 0960US2025226768A1Electric circuitDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 1058US2024251502A1Substrate structureDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 1145US10619878B2Inverter driver of air conditionerDAIKIN IND LTD·Filed 2016·Granted Apr 14, 2020·0 cites·14 claims
- 1245US8084985B2Inverter control methodIKEDA MOTONOBU·Filed 2007·Granted Dec 27, 2011·2 cites·1 claims
- 1344US2024356432A1Power conversion device and refrigeration apparatusDAIKIN IND LTD·Filed 2022·Application pending·0 cites
- 1440US9001536B2Voltage smoothing circuit for smoothing voltage from power supplyKAGIMURA SUMIO·Filed 2010·Granted Apr 7, 2015·0 cites·16 claims
- 1538US11611285B2Power converter and air conditionerDAIKIN IND LTD·Filed 2018·Granted Mar 21, 2023·0 cites·20 claims
- 1635US11211890B2Power conversion apparatus and air-conditioning apparatusDAIKIN IND LTD·Filed 2018·Granted Dec 28, 2021·0 cites·20 claims
- 1734US10320284B2Inverter device having shunt resistor and printed board with conductive pattern component joining shunt resistor and terminalDAIKIN IND LTD·Filed 2016·Granted Jun 11, 2019·0 cites·11 claims
- 1834US2010090718A1Semiconductor device, and development supporting deviceUBUKATA ATSUSHI·Filed 2008·Application pending·0 cites
- 1934US2021207894A1Outdoor unit for refrigeration apparatusDAIKIN IND LTD·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →