The iPhone’s popularity in Japan just keeps growing. Apple’s handset has grabbed 72 percent of the smartphone market on the gadget-obsessed island nation.The Cupertino, Calif. company has doubled its shipments to Japan, hitting 2.3 million all together, according to Tokyo-based researchers.
The iPhone, which began Japanese sales in July 2008, shipped 1.69 million handsets during the fiscal year ended March 31, MM Research Institute Ltd. announced Thursday. Some 3 million smartphones could sell in Japan during the year started April 1, reports say.

