Inventor · disambiguated record
Takae Shimada
Also filed as: SHIMADA TAKAE
35 granted patents·10 pending applications·196 citations·filing 2007–2025
96Inventor score
Files withHITACHI LTD17HITACHI AUTOMOTIVE SYSTEMS LTD6HITACHI COMP PERIPHERALS CO5SHIMADA TAKAE5HITACHI INFO & TELECOMM ENG3
Top patents by PatentIndex Score
45 records- 0196US8629661B2Bidirectional DC-DC converter and control method thereofSHIMADA TAKAE·Filed 2012·Granted Jan 14, 2014·27 cites·12 claims
- 0295US7911810B2Bi-directional DC-DC converter and method for controlling the sameHITACHI COMP PERIPHERALS CO·Filed 2010·Granted Mar 22, 2011·19 cites·2 claims
- 0392US8130515B2Bi-directional DC-DC converter and method for controlling the sameSHIMADA TAKAE·Filed 2011·Granted Mar 6, 2012·13 cites·12 claims
- 0492US7848118B2Bi-directional DC-DC converter and method for controlling the sameHITACHI COMP PERIPHERALS CO·Filed 2008·Granted Dec 7, 2010·32 cites·18 claims
- 0591US9595841B2DC-DC converter, secondary battery charge and discharge system, and method of controlling DC-DC converterHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2015·Granted Mar 14, 2017·13 cites·17 claims
- 0684US7812575B2Bidirectional DC-DC converter and power supply apparatus with the sameHITACHI COMP PERIPHERALS CO·Filed 2007·Granted Oct 12, 2010·22 cites·20 claims
- 0783US11217385B2Transformer and electric power converterHITACHI LTD·Filed 2016·Granted Jan 4, 2022·2 cites·12 claims
- 0883US10461553B2Power source deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Oct 29, 2019·5 cites·20 claims
- 0982US10333398B2Charging apparatusHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Jun 25, 2019·4 cites·8 claims
- 1081US8378646B2Bidirectional dc-dc converter and control method thereofHITACHI COMP PERIPHERALS CO·Filed 2009·Granted Feb 19, 2013·13 cites·17 claims
- 1180US10763754B2Power supply deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Sep 1, 2020·4 cites·5 claims
- 1279US10763739B2Power conversion device and power supply system using sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Sep 1, 2020·3 cites·15 claims
- 1376US10541549B2Power supply apparatusHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Jan 21, 2020·3 cites·16 claims
- 1472US10381937B2Power converter having multiple switching legsHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Aug 13, 2019·1 cites·10 claims
- 1570US10615715B2Power conversion device, cooling structure, power conversion system, and power supply deviceHITACHI LTD·Filed 2016·Granted Apr 7, 2020·2 cites·9 claims
- 1670US7683597B2PWM signal generating circuit and power supply apparatus comprising such PWM signal generating circuitHITACHI COMP PERIPHERALS CO·Filed 2007·Granted Mar 23, 2010·6 cites·21 claims
- 1770US2025381878A1Charging system and charging methodHITACHI LTD·Filed 2025·Application pending·0 cites
- 1868US9306472B2Power supply device operating switching elements of first and second switching legs to charge first and second capacitors to a voltage higher than a voltage crest value of an AC power supply and method of operating the power supply deviceHITACHI INFO & TELECOMM ENG·Filed 2014·Granted Apr 5, 2016·3 cites·11 claims
- 1968US9025345B2Power supply apparatusSHIMADA TAKAE·Filed 2012·Granted May 5, 2015·3 cites·8 claims
- 2067US9231424B2Charging systemKAWAGUCHI YUKI·Filed 2011·Granted Jan 5, 2016·4 cites·22 claims
- 2166US8934265B2DC-DC converterHATAKEYAMA TOMOYUKI·Filed 2010·Granted Jan 13, 2015·3 cites·15 claims
- 2264US8203322B2DC-DC converterOKUBO TOSHIKAZU·Filed 2009·Granted Jun 19, 2012·7 cites·20 claims
- 2364US2024030824A1Power Conversion DeviceHITACHI LTD·Filed 2023·Application pending·0 cites
- 2463US10063058B2Power converterHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2017·Granted Aug 28, 2018·1 cites·9 claims
- 2562US11539361B2Semiconductor device signal transmission circuit for drive-control, method of controlling semiconductor device signal transmission circuit for drive-control, semiconductor device, power conversion device, and electric system for railway vehicleHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2021·Granted Dec 27, 2022·0 cites·8 claims
- 2662US8203855B2Complex inductor and power supply unitSHIMADA TAKAE·Filed 2008·Granted Jun 19, 2012·6 cites·6 claims
- 2759US2025087416A1Multi-Winding Transformer and Power Conversion DeviceHITACHI LTD·Filed 2024·Application pending·0 cites
- 2855US2024154542A1Power conversion deviceHITACHI LTD·Filed 2023·Application pending·0 cites
- 2955US2025149909A1Charging system and charging system control deviceHITACHI LTD·Filed 2023·Application pending·0 cites
- 3054US2025047195A1Power conversion unit diagnosis systemHITACHI LTD·Filed 2023·Application pending·0 cites
- 3152US9755524B2DC-DC converterHITACHI LTD·Filed 2014·Granted Sep 5, 2017·0 cites·10 claims
- 3251US11152870B2Power conversion deviceHITACHI INDUSTRIAL PRODUCTS LTD·Filed 2018·Granted Oct 19, 2021·0 cites·8 claims
- 3350US2014092639A1Bidirectional dc-dc converter and control method thereofHITACHI INFO & TELECOMM ENG·Filed 2013·Application pending·0 cites
- 3448US11108334B2Power conversion deviceHITACHI INDUSTRIAL PRODUCTS LTD·Filed 2018·Granted Aug 31, 2021·0 cites·5 claims
- 3548US9750125B2Power supply apparatusHITACHI LTD·Filed 2016·Granted Aug 29, 2017·0 cites·12 claims
- 3645US10530271B2Power conversion device and power conversion systemHITACHI LTD·Filed 2017·Granted Jan 7, 2020·0 cites·11 claims
- 3743US10998830B2Power conversion device and three-phase power conversion deviceHITACHI LTD·Filed 2018·Granted May 4, 2021·0 cites·6 claims
- 3843US9806622B2Power conversion device and power conversion control method for the sameHITACHI LTD·Filed 2016·Granted Oct 31, 2017·0 cites·8 claims
- 3941US9166501B2Power supply unit for converting power between DC and AC and operating method of the sameHITACHI INFO & TELECOMM ENG·Filed 2013·Granted Oct 20, 2015·0 cites·23 claims
- 4040US10862311B2Power conversion device and method for controlling power conversion deviceHITACHI LTD·Filed 2016·Granted Dec 8, 2020·0 cites·7 claims
- 4138US2017155325A1Resonant power supply deviceHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2016·Application pending·0 cites
- 4235US11296610B2Power conversion device, power conversion device control device, and power conversion device control methodHITACHI LTD·Filed 2016·Granted Apr 5, 2022·0 cites·4 claims
- 4335US2012275203A1Ac-dc converter and method of controlling sameSHIMADA TAKAE·Filed 2010·Application pending·0 cites
- 4435US2017093299A1Power Supply DeviceHITACHI LTD·Filed 2016·Application pending·0 cites
- 4534US9887638B2Power conversion apparatus with frequency operation change based on input voltageHITACHI LTD·Filed 2016·Granted Feb 6, 2018·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Takae Shimada 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 →