Electronic money, electronic use right, charging system,...
Electronic multiparty accounts receivable and accounts...
Electronic musical apparatus for recording and reproducing...
Electronic musical apparatus for recording and reproducing...
Electronic musical apparatus for recording and reproducing...
Electronic payment device using unbalanced binary tree and...
Electronic payment schemes in a mobile environment for...
Electronic payment system through a telecommunication network
Electronic postal money order method and system
Electronic purchase of goods over a communications network...
Electronic purchasing method and apparatus
Electronic purchasing method and apparatus for performing...
Electronic purchasing method and apparatus for performing...
Electronic revenue stamp issuing apparatus and method...
Electronic rights information processing system, method and...
Electronic seals
Electronic settlement system, settlement apparatus and terminal
Electronic settlement system, settlement device, and terminal
Electronic settlement system, settlement management device,...
Electronic signature security system