This shows that Japan's mobile communications market is still strong. In October, DoCoMo plans to be the first company to launch third-generation mobile internet services that will be capable of transmitting video and music. The 3G service had been expected this month, but Mr Tachikawa said the delay would not have much of an impact on earnings as initial sales of the new technology were never forecast to be strong.
Investors appear to agree.
Japan's mobile sector is growing rapidly, according to an industry group report yesterday.