KDDI
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| KDDI CORPORATION
<tr><td colspan="2" style="text-align:center; padding:16px 0 16px 0;">Image:KDDI LOGO.gif</td></tr> | |
| Type | Public (TYO: 9433 |
|---|---|
| Founded | 1984 |
| Headquarters | Tokyo, Japan
<tr><th style="text-align:right; padding-right:0.75em;">Key people</th><td>Tadashi Onodera, President & Chairman</td></tr><tr><th style="text-align:right; padding-right:0.75em;">Industry</th><td>Telecommunications</td></tr><tr><th style="text-align:right; padding-right:0.75em;">Products</th><td>Telephone, Internet</td></tr><tr><th style="text-align:right; padding-right:0.75em;">Revenue</th><td>Image:Green Arrow Up.svg$43.862 billion USD (FY 2005)</td></tr><tr><th style="text-align:right; padding-right:0.75em;">Net income</th><td>Image:Green Arrow Up.svg$3.530 billion USD (FY 2005)</td></tr><tr><th style="text-align:right; padding-right:0.75em;">Employees</th><td>14,021</td></tr><tr><th style="text-align:right; padding-right:0.75em;">Website</th><td>www.kddi.com</td></tr> |
KDDI CORPORATION (TYO: 9433 ) is a Japanese telecommunication operator formed in October 2000 through the merger of DDI, KDD, and IDO Corp. KDDI provides mobile cellular services using both the au and the Tu-Ka brands, ISP network and solution services in the DION brand, and long-distance and international voice and data communications services, optical fiber (Triple play services under the brand name Hikari Plus) and ADSL broadband services and IP telephony over copper under the brand Metal Plus.
On April 1st, 2002, KDDI launched 3G networks using cdma2000 1X technology. On November 28, 2003, au/KDDI launched cdma2000 1xEV-DO service in the CDMA 1X WIN brand, and revolutionized Japan's mobile telecommunication industry by introducing fixed rate data subscription plans at a data rate of 2.4 Mbit/s.
au/KDDI has been very successful with its EZ wireless data services, EZweb, EZweb@mail, EZappli, EZchakuuta, ezmovie, and eznavigation (GPS), using the advanced WAP technology. It supports both Java ME and BREW application environments.
au/KDDI is particular popular among students with special discount plans. All enabled by its efficient CDMA2000 network.
In December 2004 au/KDDI introduced the music download service Chaku Uta Full, for download of full length songs to mobile phones. Within six months from introduction, on June 15, 2005, customers had downloaded 10 million full length Chaku Uta Full songs.
As of end of June 2005, au/KDDI has 20,122,700 customers, among which 18,723,200 (93 %) are 3G CDMA2000 subscribers. It is Japan's second-largest cellular operator with an increasing 20.0% market share.
TU-KA, a subsidiary company of KDDI, is a 2G PDC cellular operator which did not apply a 3G license. DDI Pocket, a PHS operator, was previously owned by KDDI but has now been spun off as Willcom.
[edit] Products and services
- Chaku Uta Full - A service distributing full length songs over the mobile network. The selection offered is mainly pop music. The coding format is 48 kbit/s Advanced Audio Coding. The size of one piece if music is about 1.5 MiB. Downloaded content is secured on a miniSD card plugged into the mobile, using CPRM copy protection. Chaku-Uta Full is the trademark of Sony Music in Japan.
- EZweb - A service which provides various features for mobile phone users, including e-mail, web browsing, picture and video sharing, video conferencing, and access to location based services and games. The service runs on traditional GPRS mobile phone networks at a data rate of 64 kbit/s or on the new CDMA 1X network with up to 2.4 Mbit/s downstream and 144 kbit/s upstream bandwidth. In a surprise move, in spring 2004 AU became the first cellular phone based data service provider to offer a "tsukaihoudai" (unlimited use) flat rate plan in Japan.
- EZweb@mail -
- EZappli -
- EZchakuuta - A service which allows users to use song segments, usually 30 seconds or less, as ring tones. Chakuuta's rights are held by Sony Music in Japan (SMIJ).
- ezmovie -
- eznavigation - A service is a component of EZWeb and allows GPS-enables handsets (such as SonyErricsson's W21S) to plot its position on a moving map with the use of the NAVITIME Engine.
[edit] See also
[edit] External links
- (Japanese) KDDI CORPORATION
- (English) KDDI CORPORATION
- KDDI au
