DeNA

is a Japanese provider of mobile portal and e-commerce websites headquartered in Shibuya, Tokyo. It owns the Mobage platform, which is one of the most popular cell phone platforms in Japan. It also operates many other services, including a popular e-commerce website DeNA Shopping (formerly: Bidders). History 1999 March: DeNA, Limited founded in Setagaya Ward, Tokyo. August: Relocates to Shibuya Ward, Tokyo and incorporates to become DeNA Co. November: Launches the online auction service Bidders. 2001 February: Launches recycle and reuse information site Oikura. 2004 March: Partners with Index Corporation to launch a mobile auction site Mobaoku. 2005 February: Lists on the Mothers section of the Tokyo Stock Exchange. 2006 February: Establishes a subsidiary Mobakore, launches the mobile gaming site Mobage Town (now Mobage) and mobile shopping site AU Shopping Mall. May: Establishes a subsidiary, Paygent Co. July: Acquires Airlink Co. and Takimoto Co. 2007 February: Transfers to the First Section of the TSE. 2008 February: Relocates to Yoyogi in Shibuya Ward of Tokyo. April: Establishes Niigata Customer Support Center in Bandai, Niigata Prefecture. 2009 October: Oikura transferred to Proto Corporation in an asset purchase. 2010 June: E★Everystar, novel and comic posting community, launched in partnership with NTT DoCoMo. September: Shutters Mobage Town for PC, begins serving PC Mobage users with beta version of Yahoo! Mobage on Yahoo! JAPAN. October: Officially launches Yahoo! Mobage. October: Acquires U.S. game developer ngmoco. 2011 March: Consolidates Mobage Town and Plus+ (ngmoco's social gaming network) into a single global brand, Mobage. June: Japan Fair Trade Commission issues a cease-and-desist order against DeNA, finding that it violated article 19 the anti-monopoly act by pressuring or forcing game developers to release titles only for the Mobage platform. June: Founder and CEO Tomoko Namba stepped down to focus on her husband's recovery from an illness.