O2 (UK) BT subsidiaries: Esat Digifone in Ireland, Viag Interkom in Germany and Telfort Mobiel in the Netherlands. The rebranding was supported by a European advertising campaign, which began on 16 April 2002, across all four countries, at a cost of £130 million. The main launch campaign ran from 18 June and was developed by Vallance Carruthers Coleman Priest, working alongside brand consultancy Lambie-Nairn, creators of the "O2" brand identity. In March 2005, mmO2 restructured its shares and the company was relisted as O2 plc. On 30 November 2005, O2 agreed to a takeover by Telefónica, a Spanish telecommunications company, for £17.7
Kyocera Communications Kyocera Communications Kyocera Communications, Inc. (pronounced like: key-oh-sarah) is an American manufacturer of mobile phones for wireless service providers in the United States and Canada. Kyocera Communications, Inc. is a wholly owned subsidiary of Kyocera Corporation, which also manufactures mobile phones for the Japanese wireless market under various brands. Kyocera Wireless, Inc. was originally formed in February 2000 when Kyocera acquired QUALCOMM's San Diego, California-based terrestrial handset division. Upon the purchase of QUALCOMM's business unit, Kyocera formed Kyocera Wireless Corp. (KWC) headquartered in San Diego. KWC was a wholly owned subsidiary of Kyocera International, Inc. the North American holding company