Mobile phone industry in Japan other email services have also introduced "emoji" that can be sent and received from mobile handsets as well as computers. Mobile phone industry in Japan The Japanese mobile phone industry is one of the most advanced in the world. As of July 31, 2013 there were 139,180,300 mobile phones in use in Japan. This is 110 percent of Japan's total population according to the Ministry of Internal Affairs and Communications. In Japanese, are often referred to as simply or for short. There are four cellular service operators in Japan. Willcom is the last PHS Personal Handy-phone System service operator. DoCoMo
NTT Data to 1967, when the DATA Communications Bureau was established within the Japan Telegraph and Telephone Public Corporation (now NTT). Its mainframe ultra-large-scale computer DIPS-11 Model 45 was developed in 1981. Japan Telegraph and Telephone Corporation was incorporated as a private company in 1985. In 1988 NTT DATA Communications Systems Corporation was spun off into a separate company from NTT. Authorized as a Systems Integrator in 1990, in 1992 the company had its headquarters relocated to Toyosu, Koto-ku, Tokyo. The company received the Deming Application Prize for 1993, and was listed on the Second Section of the Tokyo Stock Exchange in