Inventor

UDA RYOSUKE

JP37 patents

Patents

37 patents

US10205402B2Feb 12, 2019

Power conversion device for converting power between a DC circuit and an AC circuit by performing a non-linear operation

MITSUBISHI ELECTRIC CORP10 citations84

US12074535B2Aug 27, 2024

Power conversion device for reliable control of circulating current while maintaining voltage of a cell

MITSUBISHI ELECTRIC CORP5 citations73

US12015354B2Jun 18, 2024

Power conversion device capable of suppressing a harmonic component in an output voltage from an arm that increases after bypass of a failed converter cell

MITSUBISHI ELECTRIC CORP2 citations72

US10396678B2Aug 27, 2019

Power converter

MITSUBISHI ELECTRIC CORP2 citations72

US10075091B2Sep 11, 2018

Power converter

MITSUBISHI ELECTRIC CORP2 citations72

US12413156B2Sep 9, 2025

Capacitor balancing control in an HVDC MMC

MITSUBISHI ELECTRIC CORP1 citations64

US11750080B2Sep 5, 2023

Power conversion device

MITSUBISHI ELECTRIC CORP1 citations62

US11336169B2May 17, 2022

Power conversion device

MITSUBISHI ELECTRIC CORP1 citations62

US10476402B2Nov 12, 2019

Power converter

MITSUBISHI ELECTRIC CORP1 citations61

US12562653B2Feb 24, 2026

Power conversion device

MITSUBISHI ELECTRIC CORP0 citations52

US12525866B2Jan 13, 2026

Control device and power conversion device

MITSUBISHI ELECTRIC CORP0 citations52

US12500506B2Dec 16, 2025

Power conversion system and control device for same

MITSUBISHI ELECTRIC CORP0 citations52

US12381397B2Aug 5, 2025

Power conversion system and control device for same

MITSUBISHI ELECTRIC CORP0 citations52

US12348127B2Jul 1, 2025

Power conversion device

MITSUBISHI ELECTRIC CORP0 citations52

US12322969B2Jun 3, 2025

Power conversion system

MITSUBISHI ELECTRIC CORP0 citations52

US12308763B2May 20, 2025

Power conversion device

MITSUBISHI ELECTRIC CORP0 citations52

US12273045B2Apr 8, 2025

Power conversion device with individual cell and arm balancing

MITSUBISHI ELECTRIC CORP0 citations52

US12255544B2Mar 18, 2025

Power conversion device that performs power conversion between DC circuit and AC circuit

MITSUBISHI ELECTRIC CORP0 citations52

US12199524B2Jan 14, 2025

Power conversion device that performs power conversion between DC circuit and AC circuit

MITSUBISHI ELECTRIC CORP0 citations52

US12081112B2Sep 3, 2024

Power conversion device

MITSUBISHI ELECTRIC CORP0 citations52

US12081138B2Sep 3, 2024

Power conversion device

MITSUBISHI ELECTRIC CORP0 citations52

US12068610B2Aug 20, 2024

Control device

MITSUBISHI ELECTRIC CORP0 citations52

US12009759B2Jun 11, 2024

Power conversion system

MITSUBISHI ELECTRIC CORP0 citations52

US11309787B2Apr 19, 2022

Power conversion device

MITSUBISHI ELECTRIC CORP0 citations52

US11121637B2Sep 14, 2021

Power conversion device and power conversion system including a power converter capable of converting between alternating-current (AC) power and direct-current (DC) power

MITSUBISHI ELECTRIC CORP0 citations52

US11031882B2Jun 8, 2021

Modular multilevel converter having capacitor degradation determination

MITSUBISHI ELECTRIC CORP0 citations51

US9960709B2May 1, 2018

Power conversion device

MITSUBISHI ELECTRIC CORP1 citations51

US12549110B2Feb 10, 2026

Power conversion device simulating a synchronous generator

MITSUBISHI ELECTRIC CORP0 citations47

US10483871B2Nov 19, 2019

Power conversion apparatus and power system

MITSUBISHI ELECTRIC CORP0 citations42

US10855168B2Dec 1, 2020

Power conversion device having bypass circuit protection

MITSUBISHI ELECTRIC CORP0 citations41

US10673352B2Jun 2, 2020

Power conversion apparatus comprising cell blocks each including cascaded converter cells and a bypass circuit connected thereto

MITSUBISHI ELECTRIC CORP0 citations41

US10498251B2Dec 3, 2019

Power converter

MITSUBISHI ELECTRIC CORP0 citations40

US10110110B2Oct 23, 2018

Power conversion device

MITSUBISHI ELECTRIC CORP0 citations40

US10826378B2Nov 3, 2020

Power conversion apparatus for interconnection with a three-phrase ac power supply

MITSUBISHI ELECTRIC CORP0 citations39