Inventor

HAGIWARA SEIGO

JP4 patents

Patents

4 patents

US5852278ADec 22, 1998

Arc welding and arc plasma cutting machines having improved DC high-voltage generator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations90

US5773792AJun 30, 1998

ARC welding machine and plasma cutting machine

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations69

US5582751ADec 10, 1996

Arc welding machine and plasma cutting machine

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations69

US5283419AFeb 1, 1994

Arc welding machine and method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations66