TOKYO--(BUSINESS WIRE)--NTT DOCOMO, INC. (TOKYO:9437) (NYSE:DCM), the Japanese mobile operator that provides each customer with innovative, convenient and secure mobile services, announced today the launch of a free Wi-Fi® service in collaboration with Shizuoka and Yamanashi prefectures to encourage overseas climbers to make use of DOCOMO’s Wi-Fi network on the slopes of iconic Mount Fuji, Japan’s highest mountain and one of UNESCO’s World Cultural Heritage Sites. The service will begin at sele