(CNN) --Japanese mobile phone service giant NTT DoCoMo has downplayed reports of an imminent tie-up with Sony Corp to produce smart card chips for cellular phones. DoCoMo, Japan's biggest company ...

TOKYO, Japan (CNN) --NTT DoCoMo, the world's largest cell-phone company, said Thursday its net profit fell 95.3 percent for the first six months of the business year. The company also slashed its ...

NTT Docomo Studio & Live, a subsidiary company of one of Japan’s major mobile phone operators, announced that it is working with Libalent to establish a new manga publisher label. The companies ...