Inventor

AIZAWA KUNIOMI

3 patents

Patents

3 patents

US4482802ANov 13, 1984

Transaction handling system

HITACHI LTD74 citations90

US4525712AJun 25, 1985

Transaction processing system

HITACHI LTD15 citations66

US3949176AApr 6, 1976

Method of and apparatus for all busy detection

HITACHI LTD1 citations45