Mobile payments are nothing new to the people of Japan, who've used NTT DoCoMo's Osaifu-Keitai as the de facto standard for years. Based on Sony's FeliCa smart card, the system is incompatible with the NFC Type A and B technologies that are spreading across the globe. Hence, there's a growing concern for interoperability in the Land of the Rising Sun, prompting NTT DoCoMo, KDDI and Softbank to establish the Japan Mobile NFC Consortium in an effort to keep pace. Moving forward, the three carriers will work with suppliers and manufacturers to gua