RFID-chipped Wallet Phones, Now Over 10 Million NTT DoCoMo announced on January 26 that the number of wallet phone users (i.e., DoCoMo subscribers with i-mode FeliCa phones) exceeded 10 million.
DoCoMo's wallet phones debuted in July, 2004 and the company was aiming at having over 10 million users by the end of 2005. Tiny a bit late but close enough.
via Keitai Watch
via NTT DoCoMo Press Release