FeliCa is a contactless RFID smart card system from Sony in Japan, primarily used in electronic money cards. The name stands for Felicity Card. First utilized in the Octopus card system in Hong Kong, the technology is used in a variety of cards also in countries such as Singapore, Japan and the United States.
Read more about FeliCa: Technology, Reliability, Mobile FeliCa, Consumer Reader/writer Devices, Card Usage, Integrated Services in Japan