Inventor · disambiguated record
Hirotaka Otake
Also filed as: OTAKE HIROTAKA
46 granted patents·33 pending applications·113 citations·filing 2006–2025
97Inventor score
Top patents by PatentIndex Score
79 records- 0193US9819275B2Power supply deviceROHM CO LTD·Filed 2015·Granted Nov 14, 2017·13 cites·7 claims
- 0292US11817376B2Semiconductor deviceROHM CO LTD·Filed 2022·Granted Nov 14, 2023·1 cites·17 claims
- 0391US9819338B2Power circuit and power module using MISFET having control circuit disposed between gate and sourceROHM CO LTD·Filed 2016·Granted Nov 14, 2017·8 cites·30 claims
- 0490US10901024B2Method for measuring current-voltage characteristicROHM CO LTD·Filed 2018·Granted Jan 26, 2021·3 cites·21 claims
- 0590US7750369B2Nitride semiconductor deviceROHM CO LTD·Filed 2008·Granted Jul 6, 2010·18 cites·9 claims
- 0688US11600721B2Nitride semiconductor apparatus and manufacturing method thereofROHM CO LTD·Filed 2020·Granted Mar 7, 2023·2 cites·30 claims
- 0788US10418895B2Power module and power circuitROHM CO LTD·Filed 2017·Granted Sep 17, 2019·6 cites·28 claims
- 0887US9691673B2Power module semiconductor deviceROHM CO LTD·Filed 2015·Granted Jun 27, 2017·5 cites·18 claims
- 0987US9147622B2Power module semiconductor deviceROHM CO LTD·Filed 2013·Granted Sep 29, 2015·8 cites·29 claims
- 1085US10908204B2Method for measuring current-voltage characteristicROHM CO LTD·Filed 2017·Granted Feb 2, 2021·2 cites·13 claims
- 1185US10734911B2Power module including multiple signal wiring patterns disposed on an insulating substrateROHM CO LTD·Filed 2019·Granted Aug 4, 2020·4 cites·11 claims
- 1285US2024329111A1Method for measuring current-voltage characteristicROHM CO LTD·Filed 2024·Application pending·0 cites
- 1385US2025120170A1Nitride semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 1484US7960782B2Nitride semiconductor device and method for producing nitride semiconductor deviceROHM CO LTD·Filed 2008·Granted Jun 14, 2011·11 cites·10 claims
- 1583US12211839B2Nitride semiconductor deviceROHM CO LTD·Filed 2023·Granted Jan 28, 2025·0 cites·17 claims
- 1683US10320380B2Power circuit and power module using MISFET having control circuit disposed between gate and sourceROHM CO LTD·Filed 2017·Granted Jun 11, 2019·3 cites·50 claims
- 1780US12148683B2Semiconductor deviceROHM CO LTD·Filed 2023·Granted Nov 19, 2024·0 cites·10 claims
- 1880US8134180B2Nitride semiconductor device with a vertical channel and method for producing the nitride semiconductor deviceOTAKE HIROTAKA·Filed 2008·Granted Mar 13, 2012·12 cites·16 claims
- 1979US2024372475A1Power conversion circuit, power module, converter, and inverterROHM CO LTD·Filed 2024·Application pending·0 cites
- 2078US2024332122A1Power module and fabrication method of the same, graphite plate, and power supply equipmentROHM CO LTD·Filed 2024·Application pending·0 cites
- 2176US11245342B2AC power supply deviceROHM CO LTD·Filed 2018·Granted Feb 8, 2022·2 cites·18 claims
- 2276US8039872B2Nitride semiconductor device including a group III nitride semiconductor structureROHM CO LTD·Filed 2008·Granted Oct 18, 2011·5 cites·4 claims
- 2376US2025098203A1Nitride semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 2475US11881479B2Nitride semiconductor deviceROHM CO LTD·Filed 2022·Granted Jan 23, 2024·0 cites·27 claims
- 2574US8093627B2Nitride semiconductor device and method for producing nitride semiconductor deviceOTAKE HIROTAKA·Filed 2008·Granted Jan 10, 2012·5 cites·8 claims
- 2673US12046532B2Power module and fabrication method of the same, graphite plate, and power supply equipmentROHM CO LTD·Filed 2022·Granted Jul 23, 2024·0 cites·23 claims
- 2772US12126263B2Power conversion circuit, power module, converter, and inverterROHM CO LTD·Filed 2022·Granted Oct 22, 2024·0 cites·11 claims
- 2872US12038468B2Method for measuring current-voltage characteristicROHM CO LTD·Filed 2020·Granted Jul 16, 2024·0 cites·21 claims
- 2972US10749520B2Power circuit and power module using MISFET having control circuit disposed between gate and sourceROHM CO LTD·Filed 2019·Granted Aug 18, 2020·1 cites·20 claims
- 3071US10917080B2Gate drive circuitROHM CO LTD·Filed 2017·Granted Feb 9, 2021·2 cites·7 claims
- 3170US11302690B2Nitride semiconductor deviceROHM CO LTD·Filed 2020·Granted Apr 12, 2022·0 cites·20 claims
- 3270US2022416072A1Nitride semiconductor device and method of manufacturing the sameROHM CO LTD·Filed 2022·Application pending·0 cites
- 3370US2022359669A1Nitride semiconductor device and method of manufacturing the sameROHM CO LTD·Filed 2022·Application pending·0 cites
- 3469US11398769B2Semiconductor device comprising switching elements and capacitorsROHM CO LTD·Filed 2019·Granted Jul 26, 2022·1 cites·27 claims
- 3568US12094826B2Semiconductor deviceROHM CO LTD·Filed 2022·Granted Sep 17, 2024·0 cites·19 claims
- 3667US11705513B2Nitride semiconductor deviceROHM CO LTD·Filed 2022·Granted Jul 18, 2023·0 cites·17 claims
- 3767US11444009B2Semiconductor deviceROHM CO LTD·Filed 2020·Granted Sep 13, 2022·0 cites·17 claims
- 3865US2025142863A1Method for manufacturing nitride semiconductor device and nitride semiconductor deviceROHM CO LTD·Filed 2025·Application pending·0 cites
- 3964US2024405117A1Nitride semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 4063US11437473B2Nitride semiconductor device and method of manufacturing the sameROHM CO LTD·Filed 2020·Granted Sep 6, 2022·0 cites·20 claims
- 4163US2024429297A1Semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 4262US12225738B2Method for manufacturing nitride semiconductor device and nitride semiconductor deviceROHM CO LTD·Filed 2021·Granted Feb 11, 2025·0 cites·18 claims
- 4362US11476197B2Semiconductor deviceROHM CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·16 claims
- 4462US2024413235A1Nitride semiconductor moduleROHM CO LTD·Filed 2024·Application pending·0 cites
- 4562US2024379835A1Semiconductor device and semiconductor moduleROHM CO LTD·Filed 2024·Application pending·0 cites
- 4662US2024258389A1Semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 4762US2024332370A1Nitride semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 4861US11374121B2Nitride semiconductor deviceROHM CO LTD·Filed 2020·Granted Jun 28, 2022·0 cites·11 claims
- 4961US2025015152A1Nitride semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 5061US2024429296A1Nitride semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
Showing the top 50 of 79 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →