Osaifu-Keitai
Osaifu-Keitai (おサイフケータイ, Osaifu-Kētai?), literally meaning "Wallet Mobile", is a trademark of NTT DoCoMo, which developed the system. It refers to mobile phones that integrate Sony's Mobile FeliCa ICs, as well as to services provided by applications on these phones.
Read more about Osaifu-keitai.