Inventor · disambiguated record
Akio Toba
Also filed as: TOBA AKIO
19 granted patents·8 pending applications·61 citations·filing 1994–2024
91Inventor score
Files withFUJI ELECTRIC CO LTD20ODAKA AKIHIRO2MARUYAMA KOUJI1NAT UNIV CORP NAGAOKA UNIV TEC1NATIONAL UNIV CORPORATION NAGAOKA UNIV OF TECHNOLOGY1
Top patents by PatentIndex Score
27 records- 0191US9595908B2Power converterFUJI ELECTRIC CO LTD·Filed 2015·Granted Mar 14, 2017·6 cites·4 claims
- 0286US9843278B2Power conversion system and control method thereofFUJI ELECTRIC CO LTD·Filed 2015·Granted Dec 12, 2017·6 cites·17 claims
- 0381US12176817B2Power converterFUJI ELECTRIC CO LTD·Filed 2023·Granted Dec 24, 2024·0 cites·4 claims
- 0481US2025079999A1Power converterFUJI ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 0575US9071184B2Motor driving systemFUJI ELECTRIC CO LTD·Filed 2013·Granted Jun 30, 2015·3 cites·16 claims
- 0672US11894774B2Power converterFUJI ELECTRIC CO LTD·Filed 2022·Granted Feb 6, 2024·0 cites·17 claims
- 0770US10158265B2Embedded permanent magnet type rotating electric machineFUJI ELECTRIC CO LTD·Filed 2015·Granted Dec 18, 2018·1 cites·17 claims
- 0869US8786314B2Contactless power transfer system and control method thereofMARUYAMA KOUJI·Filed 2011·Granted Jul 22, 2014·5 cites·18 claims
- 0966US9787226B2Alternating current electric system and control method thereofFUJI ELECTRIC CO LTD·Filed 2014·Granted Oct 10, 2017·2 cites·16 claims
- 1065US7982426B2Electric power systemNAT UNIV CORP NAGAOKA UNIV TEC·Filed 2007·Granted Jul 19, 2011·10 cites·15 claims
- 1164US10720805B2Embedded permanent magnet type rotating electric machine with permanent magnet rotor having magnet holes and central bridgeFUJI ELECTRIC CO LTD·Filed 2015·Granted Jul 21, 2020·1 cites·9 claims
- 1263US12244238B2Power conversion systemFUJI ELECTRIC CO LTD·Filed 2023·Granted Mar 4, 2025·0 cites·18 claims
- 1359US10195949B2ChargerFUJI ELECTRIC CO LTD·Filed 2016·Granted Feb 5, 2019·1 cites·8 claims
- 1458US5572418AQuasi-resonant PWM inverterYUASA BATTERY CO LTD·Filed 1994·Granted Nov 5, 1996·26 cites·2 claims
- 1555US12191245B2Semiconductor device having a curved part in the printed circuit boardFUJI ELECTRIC CO LTD·Filed 2022·Granted Jan 7, 2025·0 cites·14 claims
- 1646US11949338B2Power converterFUJI ELECTRIC CO LTD·Filed 2022·Granted Apr 2, 2024·0 cites·20 claims
- 1746US2014184188A1Power conversion deviceFUJI ELECTRIC CO LTD·Filed 2014·Application pending·0 cites
- 1844US10700630B2Inverter that adjusts voltage command values and control method of inverterFUJI ELECTRIC CO LTD·Filed 2018·Granted Jun 30, 2020·0 cites·31 claims
- 1943US2014354194A1Motor drive systemFUJI ELECTRIC CO LTD·Filed 2014·Application pending·0 cites
- 2041US2017063211A1Permanent magnet embedded rotating electrical machineFUJI ELECTRIC CO LTD·Filed 2016·Application pending·0 cites
- 2137US8896154B2Power conversion deviceODAKA AKIHIRO·Filed 2011·Granted Nov 25, 2014·0 cites·20 claims
- 2236US2002117905A1Linear actuatorFUJI ELECTRIC CO LTD·Filed 2002·Application pending·0 cites
- 2335US9287698B2Power conversion apparatusOGUCHI HIDEKI·Filed 2011·Granted Mar 15, 2016·0 cites·19 claims
- 2434US10778116B2Three-phase inverter with reduced DC bus capacitor rippleNATIONAL UNIV CORPORATION NAGAOKA UNIV OF TECHNOLOGY·Filed 2019·Granted Sep 15, 2020·0 cites·8 claims
- 2533US2016285290A1ChargerFUJI ELECTRIC CO LTD·Filed 2016·Application pending·0 cites
- 2630US2015171767A1Power conversion deviceODAKA AKIHIRO·Filed 2012·Application pending·0 cites
- 2730US2015156878A1Intelligent moduleFUJI ELECTRIC CO LTD·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Akio Toba files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →