Inventor
OKUHARA SUSUMU
JP8 patents
Patents
8 patentsUS6408075B1Jun 18, 2002
Information processing equipment and IC card
HITACHI LTD66 citations95
US6839847B1Jan 4, 2005
Information processing equipment and IC card
HITACHI LTD37 citations92
US6631471B1Oct 7, 2003
Information processing equipment
HITACHI LTD19 citations92
US6615354B1Sep 2, 2003
Information processing equipment
HITACHI LTD20 citations92
US5978839ANov 2, 1999
Data sharing method in a plurality of computer systems
HITACHI LTD39 citations90
US5974565AOct 26, 1999
Composite computer system
HITACHI LTD10 citations71
US7093766B2Aug 22, 2006
IC card having memory contents transfer control unit and method of storing data in IC card
HITACHI LTD9 citations69
US6845916B2Jan 25, 2005
IC card having memory contents transfer control unit and method of storing data in IC card
HITACHI LTD3 citations58