NTT DoCoMo
ORG
NTT DoCoMo DoCoMo
Japan's customers paying world's highest user fees is largely a result of the near monopoly status of the largest mobile service provider, NTT DoCoMo. Analysts said Vodafone had proven too timid to challenge DoCoMo, which controls just over 50 percent of Japan's cellphone market and that it would be costly for a newcomer to take on DoCoMo.