Inventor · disambiguated record
Akira Mima
Also filed as: MIMA AKIRA
13 granted patents·9 pending applications·26 citations·filing 2013–2022
87Inventor score
Files withHITACHI LTD12HITACHI ASTEMO LTD4HITACHI AUTOMOTIVE SYSTEMS LTD2HITACHI POWER SEMICONDUCTOR DEVICE LTD2MINEBEA POWER SEMICONDUCTOR DEVICE INC2
Top patents by PatentIndex Score
22 records- 0182US9362261B2Power semiconductor moduleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Jun 7, 2016·6 cites·7 claims
- 0281US9807913B2Cooling structure of heating element and power conversion deviceHITACHI LTD·Filed 2016·Granted Oct 31, 2017·3 cites·23 claims
- 0380US9437797B2Cooling structure of heating element and power conversion deviceHITACHI LTD·Filed 2015·Granted Sep 6, 2016·3 cites·13 claims
- 0475US10008953B2Power conversion device and power conversion method for power conversion deviceHITACHI LTD·Filed 2014·Granted Jun 26, 2018·5 cites·13 claims
- 0575US9532489B2Power conversion deviceHITACHI LTD·Filed 2015·Granted Dec 27, 2016·2 cites·9 claims
- 0674US9917529B2Power conversion unit, power converter and method of manufacturing power converterHITACHI LTD·Filed 2014·Granted Mar 13, 2018·3 cites·14 claims
- 0769US9906154B2Power conversion unit and power conversion deviceHITACHI LTD·Filed 2015·Granted Feb 27, 2018·2 cites·20 claims
- 0862US10014793B2Power conversion unit, power converter, and power conversion methodHITACHI LTD·Filed 2014·Granted Jul 3, 2018·2 cites·11 claims
- 0956US12501714B2Semiconductor device, power module, inverter device, and electric vehicleHITACHI ASTEMO LTD·Filed 2021·Granted Dec 16, 2025·0 cites·7 claims
- 1055US2025006566A1Semiconductor module, power conversion device, and method for manufacturing semiconductor moduleHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 1154US10141861B2Power conversion unit, power converter and method of manufacturing power converterHITACHI LTD·Filed 2018·Granted Nov 27, 2018·0 cites·6 claims
- 1254US2025202379A1Semiconductor device and power conversion deviceMINEBEA POWER SEMICONDUCTOR DEVICE INC·Filed 2022·Application pending·0 cites
- 1353US9497887B2Cooling structure for heating element and power converterHITACHI LTD·Filed 2014·Granted Nov 15, 2016·0 cites·22 claims
- 1453US2025112631A1Power semiconductor moduleMINEBEA POWER SEMICONDUCTOR DEVICE INC·Filed 2022·Application pending·0 cites
- 1552US2024297592A1Power semiconductor module and power conversion device using the sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2022·Application pending·0 cites
- 1650US2024014088A1Power semiconductor deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2021·Application pending·0 cites
- 1749US2023059509A1Power Conversion Device and Mechatronic Power Conversion DeviceHITACHI ASTEMO LTD·Filed 2020·Application pending·0 cites
- 1849US2024235410A9Power Conversion ApparatusHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 1946US2020220434A1Rotation angle detection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Application pending·0 cites
- 2045US9755526B2Power converterHITACHI LTD·Filed 2016·Granted Sep 5, 2017·0 cites·11 claims
- 2138US9948201B2Power conversion apparatus including terminals having higher resistance portionsHITACHI LTD·Filed 2016·Granted Apr 17, 2018·0 cites·9 claims
- 2231US2018006573A1Electrical Power Conversion Unit and Electrical Power Conversion DeviceHITACHI LTD·Filed 2015·Application pending·0 cites
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