NTT Docomo is the creator of W-CDMA technology as well as mobile i-mode service. NTT Docomo had over 53 million customers (as of March 2008), which is more than half of Japan’s cellular market.
NTT Docomo is the creator of W-CDMA technology as well as mobile i-mode service. NTT Docomo had over 53 million customers (as of March 2008), which is more than half of Japan’s cellular market.