Inventor
OKADA HIROHARU
JP6 patents
Patents
6 patentsUS6802008B1Oct 5, 2004
IC card and IC chip module
ROHM CO LTD111 citations97
US7003678B2Feb 21, 2006
IC card and IC chip module
ROHM CO LTD27 citations92
US6601770B1Aug 5, 2003
Response device in contact/contactless IC card communication system
ROHM CO LTD43 citations92
US6422473B1Jul 23, 2002
Circuit chip mounted card and circuit chip module
ROHM CO LTD45 citations92
US6404644B1Jun 11, 2002
Non-contact IC card
ROHM CO LTD22 citations92
US6181001B1Jan 30, 2001
Card mounted with circuit chip and circuit chip module
ROHM CO LTD39 citations92