P

Inventor

FUJII TOSHIYUKI

JP83 patents
⚠️ This page may combine multiple inventors who share the name “FUJII TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI ELECTRIC CORP

28 patents
US6654260B2Nov 25, 2003

Asymmetrical power converting apparatus employing self-arc-suppressing switches

MITSUBISHI ELECTRIC CORP30 citations92
US6242895B1Jun 5, 2001

Controller of adjustable DC voltage for a transformerless reactive series compensator

MITSUBISHI ELECTRIC CORP55 citations92
US6225791B1May 1, 2001

Controller for performing a decoupling control of a transformerless reactive series compensator

MITSUBISHI ELECTRIC CORP24 citations92
US5808462ASep 15, 1998

Apparatus for detecting the amplitude and phase of an a.c. signal

MITSUBISHI ELECTRIC CORP20 citations92
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
US7345379B2Mar 18, 2008

Power converter with voltage and current fault setting

MITSUBISHI ELECTRIC CORP13 citations84
US9712084B2Jul 18, 2017

Electric power conversion device

MITSUBISHI ELECTRIC CORP12 citations83
US5498955AMar 12, 1996

Apparatus for detecting the amplitude and phase of an a.c. signal

MITSUBISHI ELECTRIC CORP13 citations81
US5991181ANov 23, 1999

Power conversion apparatus

MITSUBISHI ELECTRIC CORP17 citations77
US12057787B2Aug 6, 2024

Power conversion device

MITSUBISHI ELECTRIC CORP2 citations73
US10637343B2Apr 28, 2020

Power conversion device for reliable control of circulating current

MITSUBISHI ELECTRIC CORP3 citations73
US10560036B2Feb 11, 2020

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

MITSUBISHI ELECTRIC CORP5 citations73
US10326355B2Jun 18, 2019

Power conversion device

MITSUBISHI ELECTRIC CORP2 citations73
US5602469AFeb 11, 1997

Apparatus for detecting the amplitude and phase of an a.c. signal

MITSUBISHI ELECTRIC CORP8 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
US11909307B2Feb 20, 2024

Power conversion device

MITSUBISHI ELECTRIC CORP2 citations72
US9564827B2Feb 7, 2017

Power conversion device

MITSUBISHI ELECTRIC CORP5 citations72
US11239664B2Feb 1, 2022

Power conversion system

MITSUBISHI ELECTRIC CORP3 citations71
US11757377B2Sep 12, 2023

Power conversion device

MITSUBISHI ELECTRIC CORP3 citations68
US12413156B2Sep 9, 2025

Capacitor balancing control in an HVDC MMC

MITSUBISHI ELECTRIC CORP1 citations64
US12218606B2Feb 4, 2025

Power conversion device

MITSUBISHI ELECTRIC CORP1 citations62
US11750080B2Sep 5, 2023

Power conversion device

MITSUBISHI ELECTRIC CORP1 citations62
US11336169B2May 17, 2022

Power conversion device

MITSUBISHI ELECTRIC CORP1 citations62
US5714877AFeb 3, 1998

Apparatus for detecting the amplitude and phase of an A.C. signal

MITSUBISHI ELECTRIC CORP3 citations62
US10840813B2Nov 17, 2020

Power conversion system

MITSUBISHI ELECTRIC CORP1 citations61
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

NICHIA CORP

8 patents

OLYMPUS CORP

3 patents

MITSUBISHI HEAVY IND LTD

2 patents

JATCO LTD

2 patents

TOSHIBA MITSUBISHI ELEC INC

2 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

MORI OSAMU

1 patent

KANSAI ELECTRIC POWER CO

1 patent

TANABE SEIYAKU CO

1 patent

OLYMPUS MEDICAL SYSTEMS CORP

1 patent

Showing the top 50 of 83 patents by PatentIndex Score.