A14 According to the Telecommunications Carriers Association (TCA) of Japan, in August 2007, the biggest player was NTT DoCoMo, part of the NTT Group, which had about 53.23 million subscribers and the highest market share of 51.4%. advanced mobile-phone economy

In number two positions was KDDI Corp., owner of the au and Tu-ka brands, that had a combined subscriber base of29.05 million and a market share of 28.0%. In third place was Softbank Mobile Corp. (formerly Vodafone Japan, which had been bought by the Softbank Group), with 16.85 million subscribers and a market share of 16.2%.