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KDDI Corporation (KDDI株式会社, KDDI Kabushiki Gaisha) (TYO: 9433) is a Japanese telecommunications operator. It was established in 2000 through the merger of DDI (第二電電, Daini Denden), KDD (ケイディディ), and IDO (日本移動通信, Nippon Idō Tsūshin).
au, or au by KDDI, is a Japanese mobile phone operator. au is a brand marketed by KDDI in the main islands of Japan and by Okinawa Cellular in Okinawa for their mobile cellular services. au is the second-largest wireless carrier in Japan, with 60.398 million subscribers as of March 2021. [1]
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global .ntt. The Nippon Telegraph and Telephone Corporation [a] ( NTT) ( Corporate Number: 7010001065142) [3] is a Japanese telecommunications holding company headquartered in Tokyo, Japan. Ranked 55th in Fortune Global 500, NTT is the fourth largest telecommunications company in the world in terms of revenue, [4] as well as the third largest ...
KDDI. SoftBank. Rakuten Mobile. Industry. Handsets. Manufacturers. Operating system. Language input. Other characteristics. Unique business practices. See also. References. Mobile phone industry in Japan. Japanese mobile phone handsets from 1997 to 2004. The Japanese mobile phone industry is one of the most advanced in the world.
After deregulation of Japan’s telecommunications industry in 1984, Inamori founded Daini Denden (DDI) Corporation. DDI later entered the cell phone business, merging with KDD (Kokusai Denshin Denwa) and IDO (Nippon Idou Tsushin Corporation) in 2000 to form KDDI, which has grown to become Japan's second-largest telecommunication services provider.
KDDI Mobile was a mobile phone service operated in the United States. The brand was established under KDDI America – local branch of Japanese telecommunication company KDDI – to meet the needs of Japanese people living in the United States. The service originally operated on the Sprint network, and later on AT&T, as an MVNO. [1] .
