Inventor
RIKUNA KENJI
JP8 patents
Patents
8 patentsUS4918631AApr 17, 1990
Compact type electronic information card
CASIO COMPUTER CO LTD176 citations98
US4827113AMay 2, 1989
Technique for authenticating IC card and terminal
CASIO COMPUTER CO LTD324 citations98
US4727246AFeb 23, 1988
IC card
CASIO COMPUTER CO LTD120 citations96
US4795895AJan 3, 1989
Multi-layered electronic card carrying integrated circuit pellet and having two-pad layered structure for electrical connection thereto
CASIO COMPUTER CO LTD58 citations95
US4749982AJun 7, 1988
Intelligent card
CASIO COMPUTER CO LTD98 citations94
US4889980ADec 26, 1989
Electronic memory card and method of manufacturing same
CASIO COMPUTER CO LTD38 citations92
US4752678AJun 21, 1988
IC card system employing remote pin entry card
CASIO COMPUTER CO LTD34 citations92
US4719140AJan 12, 1988
Electronic memory card
CASIO COMPUTER CO LTD38 citations92