Inventor · disambiguated record
Takeshi Umetsu
Also filed as: UMETSU TAKESHI
5 granted patents·3 citations·filing 2014–2017
64Inventor score
Technology areasH02P
Files withHITACHI AUTOMOTIVE SYSTEMS LTD5
Top patents by PatentIndex Score
5 records- 0180US10644627B2Control device of synchronous electric motor, integrated motor system, pump system, and positioning systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted May 5, 2020·2 cites·16 claims
- 0258US11139771B2Control device and control method for AC motor and AC motor drive systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Oct 5, 2021·0 cites·12 claims
- 0356US9685894B2Brushless motor controller and control methodHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Jun 20, 2017·1 cites·10 claims
- 0447US9923502B2Synchronous motor control apparatus and drive system using the sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Mar 20, 2018·0 cites·12 claims
- 0540US10381965B2Drive device and method for three-phase brushless motorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Aug 13, 2019·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →