Inventor

SEKI NAGATAKA

JP18 patents

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

SEKI NAGATAKA

TOKYO SHIBAURA ELECTRIC CO

Multiple inverters with overcurrent and shoot-through protection

DV/DT Protection circuit device for gate turn-off thyristor

Gate circuit of gate turn-off thyristor

DC Power source

Gate circuit of gate turn-off thyristor

Apparatus for synchronization control of a plurality of inverters

Gate-turn-off thyristor failure detecting circuit

Gate circuit for gate turn-off thyristor

Apparatus for synchronization control of a plurality of inverters

Gate control system of the inverter using gate-turn-off thyristors

TOSHIBA KK

Power converter device having starting circuits and a method for starting the power converter device

Power converter with a failure detector of a self-turn-off semiconductor element

Power converter apparatus including a chopper regulated inverter system

Arrangement for connecting plural self-commutated voltage type inverters to a utility grid

Voltage-phase responsive, inverter disable circuit for system interconnection

Power converting apparatus for system interconnection

Line-commutated and self-commutated combined power conversion system

Conversion apparatus including latch and non-latch type functions