Inventor

UMINO TOMIO

JP3 patents

Patents

3 patents

US4367017AJan 4, 1983

Laser beam reflection system

HITACHI LTD77 citations93

US3944779AMar 16, 1976

Process for fusion-welding iron-nickle-cobalt alloy and copper or said alloy, copper and iron

HITACHI LTD10 citations69

US3935417AJan 27, 1976

Welding of copper and iron

HITACHI LTD13 citations69