Assignee
HITACHI MITSUBISHI HYDRO CORPORATION
JP·12 granted patents·2 pending applications·42 citations·filing 2014–2022
Top patents by PatentIndex Score
14 records- 0197US10536104B2Variable speed generator-motor apparatus and variable speed generator-motor systemHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2016·Granted Jan 14, 2020·14 cites·6 claims
- 0293US10326393B2Variable-speed pumped storage power generation apparatusHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2015·Granted Jun 18, 2019·6 cites·3 claims
- 0392US10784808B2Variable speed generator-motor apparatus and variable speed generator-motor systemHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2019·Granted Sep 22, 2020·7 cites·1 claims
- 0483US12289063B2Modular multilevel power converter and variable speed generator-motorHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2020·Granted Apr 29, 2025·2 cites·6 claims
- 0580US11223310B2Variable speed generator/motor deviceHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2019·Granted Jan 11, 2022·4 cites·12 claims
- 0671US9494127B2Pumped storage power plantHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2014·Granted Nov 15, 2016·9 cites·16 claims
- 0751US12341464B2Power generation deviceHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2021·Granted Jun 24, 2025·0 cites·2 claims
- 0851US11898531B2Variable speed pumping systemsHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2020·Granted Feb 13, 2024·0 cites·1 claims
- 0948US12289076B2Method of controlling power generation apparatus and pumped storage power generation apparatusHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2020·Granted Apr 29, 2025·0 cites·3 claims
- 1047US2025119035A1Variable-speed synchronous generator-motor deviceHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2022·Application pending·0 cites
- 1145US2021118611A1Variable speed generator/motor deviceHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2019·Application pending·0 cites
- 1244US12355377B2Adjustable speed generator motor system with full power converterHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2021·Granted Jul 8, 2025·0 cites·10 claims
- 1341US11942873B2Secondary magnetic excitation generator-motor deviceHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2019·Granted Mar 26, 2024·0 cites·12 claims
- 1431US12237789B2Modular multilevel converter and modular multilevel converter systemHITACHI MITSUBISHI HYDRO CORPORATION·Filed 2020·Granted Feb 25, 2025·0 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →