Inventor
FUJIWARA SHUHEI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “FUJIWARA SHUHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
25 patentsUS12074535B2Aug 27, 2024
Control device and power conversion device
MITSUBISHI ELECTRIC CORP3 citations74
US12057787B2Aug 6, 2024
Power conversion device
MITSUBISHI ELECTRIC CORP2 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
US12413156B2Sep 9, 2025
Capacitor balancing control in an HVDC MMC
MITSUBISHI ELECTRIC CORP1 citations64
US12456872B2Oct 28, 2025
Power storage apparatus and power system stabilization system
MITSUBISHI ELECTRIC CORP0 citations62
US11750080B2Sep 5, 2023
Power conversion device
MITSUBISHI ELECTRIC CORP1 citations62
US11336169B2May 17, 2022
Power conversion device
MITSUBISHI ELECTRIC CORP1 citations62
US11283369B2Mar 22, 2022
Control device and power control system
MITSUBISHI ELECTRIC CORP0 citations55
US12525866B2Jan 13, 2026
Control device and power conversion device
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
US12081138B2Sep 3, 2024
Power conversion device
MITSUBISHI ELECTRIC CORP0 citations52
US12081112B2Sep 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
US12525895B2Jan 13, 2026
Power conversion device
MITSUBISHI ELECTRIC CORP0 citations51
US12476469B2Nov 18, 2025
Electric power control system simulating a synchronous generator
MITSUBISHI ELECTRIC CORP0 citations51
US12456932B2Oct 28, 2025
Power conversion device
MITSUBISHI ELECTRIC CORP0 citations51
US11031882B2Jun 8, 2021
Modular multilevel converter having capacitor degradation determination
MITSUBISHI ELECTRIC CORP0 citations51