KDDI

Japanese telecommunications operator KDDI CorporationHeadquarters in Iidabashi, Chiyoda, TokyoNative nameKDDI株式会社Romanized nameKeidīdīai kabushiki gaishaFormerlyDDI Corporation [ja] (1984–2000)TypePublicTraded asTYO: 9433TOPIX Core 30 ComponentIndustryTelecommunicationsPredecessorKDD Corporation [ja]IDO Corporation [ja]Founded1953; 73 years ago (1953) (establishment of Kokusai Denshin Denwa or KDD as a state-owned enterprise)June 1, 1984; 42 years ago (1984-06-01) (as DDI)FounderGovernment of Japan (for the KDD branch)Kazuo Inamori (for the DDI branch)HeadquartersIidabashi, Chiyoda, Tokyo, JapanKey peopleTakashi Tanaka (businessman) [jp] (CEO)Makoto Takahashi (businessman) [jp] (president & CEO)ProductsFixed linemobile telephonyInternet servicesdigital televisionRevenue JP¥ 5.24 trillion (2020)Net income JP¥ 639.77 billion (2020)Number of employees44,952 (2020)Subsidiaries List Okinawa Cellular Telephone Company (53.9%)J:COM (50%)UQ Communications (32.3%)BIGLOBE (100%)Aeon Holdings (100%)Chubu Telecommunications [jp] (80.5%)Wire and Wireless [jp] (95.2%)Telasa (50%)au Financial Holdings [jp] (100%)Supership Holdingsau Energy HoldingsKDDI Matomete OfficeKDDI Digital Di