Yoshihide Kinbara

Snubber circuit for power converter

Power source control apparatus for laser diode

Waveform control device for electrical discharge machining apparatus

Discharge pulse generator

Control method of exciting a pulse laser and power supply unit for exciting a pulse laser

Method and apparatus for controlling the power supply for electrical discharge machine

Magnetic contactor having phase angle adjuster

Energy supply control to an electric discharge machine

Magnetic contactor appts. with phase shifter for controlling electromagnet to attract and repel movable iron core

Discharge pulse generating device