Inventor

HIRAKOSO KEIICHIRO

3 patents

Patents

3 patents

US4125758ANov 14, 1978

Vertical welding method

KOBE STEEL LTD38 citations88

US4190760AFeb 26, 1980

Welding apparatus with shifting magnetic field

KOBE STEEL LTD24 citations78

US4091258AMay 23, 1978

Arc welding process

KOBE STEEL LTD18 citations70