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Tabata; Yoichiro
Amagasaki, JP
No. of patents:

Patent Number Title Of Patent Date Issued
5243230 Semiconductor switching apparatus September 7, 1993
A pulse generator circuit which comprises a power supply source for outputting a high voltage signal. A first capacitor is charged with the high voltage signal output by the power supply source. A load device is supplied with the high voltage signal charged in the first capacitor. A
5122674 Semiconductor switching apparatus June 16, 1992
In a pulse generator circuit for a laser unit etc., plural semiconductor switches arranged in matrix alignment on an outer surface of a first tube are connected in series and parallel with one another, and an end of each series-connection of the semiconductor switches is electrically con
4418265 Device with high frequency contactless type arc generating mechanism November 29, 1983
An electrical welding device which requires no high frequency insulation and an electrical discharge gap for maintaining the arc discharge is made large. A main power source supplies an arc discharge current through an electrical conductor to the welding electrode. A high frequency elect

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