Inventor · disambiguated record
Kimiyuki Koyanagi
Also filed as: KOYANAGI KIMIYUKI
24 granted patents·3 pending applications·162 citations·filing 1987–2022
93Inventor score
Files withMITSUBISHI ELECTRIC CORP21TOSHIBA MITSUBISHI ELEC IND3TOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP2KOYANAGI KIMIYUKI1
Top patents by PatentIndex Score
27 records- 0194US5251194ATechniques for controlling beam position and focus in optical disk drivesMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Oct 5, 1993·109 cites·25 claims
- 0285US9866120B2Power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jan 9, 2018·6 cites·9 claims
- 0376US10038392B2InverterTOSHIBA MITSUBISHI ELEC IND·Filed 2014·Granted Jul 31, 2018·5 cites·10 claims
- 0476US9712070B2Power conversion deviceTOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP·Filed 2013·Granted Jul 18, 2017·5 cites·16 claims
- 0569US10186952B2Power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jan 22, 2019·2 cites·17 claims
- 0669US9780685B2Electrical power converter with a converter cell series unitMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Oct 3, 2017·3 cites·8 claims
- 0768US4841507AOptical head for an optical recording and reproducing apparatusMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jun 20, 1989·17 cites·17 claims
- 0864US10116228B2Converter and power conversion device manufactured using the sameTOSHIBA MITSUBISHI ELEC IND·Filed 2014·Granted Oct 30, 2018·2 cites·15 claims
- 0960US10153711B2Electric power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Dec 11, 2018·1 cites·18 claims
- 1059US10033299B2Converter and power conversion device including the sameTOSHIBA MITSUBISHI ELEC IND·Filed 2015·Granted Jul 24, 2018·1 cites·11 claims
- 1154US11791746B2Power converter with cooler and reactor with winding around a coreMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Oct 17, 2023·0 cites·12 claims
- 1254US9143049B2Three-level power conversion apparatusKOYANAGI KIMIYUKI·Filed 2009·Granted Sep 22, 2015·2 cites·2 claims
- 1353US10284111B2Power conversion apparatus having connection conductors having inductance which inhibits ripple currentTOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP·Filed 2014·Granted May 7, 2019·0 cites·3 claims
- 1453US5481517ATrack jump control means for a disk apparatusMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jan 2, 1996·9 cites·8 claims
- 1550US12453031B2Power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Oct 21, 2025·0 cites·20 claims
- 1648US9564808B2Electric power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Feb 7, 2017·0 cites·14 claims
- 1747US2025118509A1Switchgear and method for controlling switchgearMITSUBISHI ELECTRIC CORP·Filed 2022·Application pending·0 cites
- 1846US11463015B2Power conversion apparatusMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Oct 4, 2022·0 cites·17 claims
- 1946US9559612B2Power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Jan 31, 2017·0 cites·14 claims
- 2043US11973413B2Power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Apr 30, 2024·0 cites·9 claims
- 2143US2016308458A1Power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Application pending·0 cites
- 2242US2016036314A1Power conversion apparatusMITSUBISHI ELECTRIC CORP·Filed 2014·Application pending·0 cites
- 2341US10541625B2Power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jan 21, 2020·0 cites·15 claims
- 2439US10128773B2Electric power conversion device and electric power systemMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Nov 13, 2018·0 cites·18 claims
- 2538US10432101B2Power conversion apparatusMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Oct 1, 2019·0 cites·16 claims
- 2637US11699959B2Power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Jul 11, 2023·0 cites·18 claims
- 2737US10673352B2Power conversion apparatus comprising cell blocks each including cascaded converter cells and a bypass circuit connected theretoMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Jun 2, 2020·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →