The campaign helped Softbank gain more subscribers than NTT East Corp in August, the report said.
NTT, Japan's largest telephone company, declined Japanese yen 2,000, or 0.5 percent, to Japanese yen 400,000.
Chipmaking equipment makers declined after Applied Materials Inc said orders for its chip-making equipment fell more than it forecast last quarter.
Advantest Corp, the world's biggest maker of equipment used to test computer memory chips, shed Japanese yen 10, or 0.2 percent, to Japanese yen 5,270.



