Inventor

KAWASAKI ARIKO

JP3 patents

Patents

3 patents

US5848248ADec 8, 1998

Electronic document circulating system

HITACHI LTD44 citations95

US6622162B2Sep 16, 2003

Electronic document circulating system

HITACHI LTD17 citations92

US6279031B1Aug 21, 2001

Electronic document circulating system

HITACHI LTD14 citations81