Inventor
SHIMADA TAKAE
JP35 patents
⚠️ This page may combine multiple inventors who share the name “SHIMADA TAKAE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS11217385B2Jan 4, 2022
Transformer and electric power converter
HITACHI LTD2 citations72
US10615715B2Apr 7, 2020
Power conversion device, cooling structure, power conversion system, and power supply device
HITACHI LTD2 citations70
US11296610B2Apr 5, 2022
Power conversion device, power conversion device control device, and power conversion device control method
HITACHI LTD0 citations51
US9755524B2Sep 5, 2017
DC-DC converter
HITACHI LTD0 citations51
US9750125B2Aug 29, 2017
Power supply apparatus
HITACHI LTD0 citations51
US10998830B2May 4, 2021
Power conversion device and three-phase power conversion device
HITACHI LTD0 citations50
US10862311B2Dec 8, 2020
Power conversion device and method for controlling power conversion device
HITACHI LTD0 citations40
US9887638B2Feb 6, 2018
Power conversion apparatus with frequency operation change based on input voltage
HITACHI LTD0 citations40
US9806622B2Oct 31, 2017
Power conversion device and power conversion control method for the same
HITACHI LTD0 citations40
US10530271B2Jan 7, 2020
Power conversion device and power conversion system
HITACHI LTD0 citations39
HITACHI AUTOMOTIVE SYSTEMS LTD
6 patentsUS10333398B2Jun 25, 2019
Charging apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations73
US10541549B2Jan 21, 2020
Power supply apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations72
US10763739B2Sep 1, 2020
Power conversion device and power supply system using same
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations71
US10763754B2Sep 1, 2020
Power supply device
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations71
US10461553B2Oct 29, 2019
Power source device
HITACHI AUTOMOTIVE SYSTEMS LTD5 citations71
US10381937B2Aug 13, 2019
Power converter having multiple switching legs
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations62
HITACHI COMP PERIPHERALS CO
5 patentsUS7911810B2Mar 22, 2011
Bi-directional DC-DC converter and method for controlling the same
HITACHI COMP PERIPHERALS CO19 citations92
US7848118B2Dec 7, 2010
Bi-directional DC-DC converter and method for controlling the same
HITACHI COMP PERIPHERALS CO32 citations92
US7812575B2Oct 12, 2010
Bidirectional DC-DC converter and power supply apparatus with the same
HITACHI COMP PERIPHERALS CO22 citations92
US8378646B2Feb 19, 2013
Bidirectional dc-dc converter and control method thereof
HITACHI COMP PERIPHERALS CO13 citations84
US7683597B2Mar 23, 2010
PWM signal generating circuit and power supply apparatus comprising such PWM signal generating circuit
HITACHI COMP PERIPHERALS CO6 citations62
SHIMADA TAKAE
4 patentsUS8629661B2Jan 14, 2014
Bidirectional DC-DC converter and control method thereof
SHIMADA TAKAE27 citations91
US8130515B2Mar 6, 2012
Bi-directional DC-DC converter and method for controlling the same
SHIMADA TAKAE13 citations83
US8203855B2Jun 19, 2012
Complex inductor and power supply unit
SHIMADA TAKAE6 citations72
US9025345B2May 5, 2015
Power supply apparatus
SHIMADA TAKAE3 citations61
HITACHI INFORMATION & TELECOMMUNICATION ENG LTD
2 patentsHITACHI INFO & TELECOMM ENG
2 patentsUS9306472B2Apr 5, 2016
Power 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 device
HITACHI INFO & TELECOMM ENG3 citations70
US9166501B2Oct 20, 2015
Power supply unit for converting power between DC and AC and operating method of the same
HITACHI INFO & TELECOMM ENG0 citations39