KDDI

KDDI Corporation Type Public(TYO: 9433Founded 1984Headquarters Tokyo, JapanKey people Tadashi Onodera, President & Chairman Industry Telecommunications Products Telephone, Internet, Mobile Phone(CDMA Network) Revenue▲$43.862 billion USD(FY 2005) Net income▲$3.530 billion USD(FY 2005) Employees14,021 Parent Kyocera(12.76%)
Toyota(11.09%)
TEPCO(7.97%) Website www.kddi.com

KDDI Building in Shinjuku, which used to be the headquarters of KDD.

KDDI Corporation (TYO: 9433) is a Japanese telecommunication operator formed in October 2000 through the merger of DDI Corp., KDD Corp., and IDO Corp.[1]

KDDI provides mobile cellular services using both the "au by KDDI" brand.

ISP network and solution services in the au one net brand, and long-distance and international voice and data communications services, optical fiber (Triple play services under the brand name Hikari one) and ADSL broadband services under the brand name ADSL one and IP telephony over copper under the brand Metal Plus.

On April 1, 2002, au by KDDI launched 3G networks using CDMA2000 1x technology.

On November 28, 2003, au by KDDI launched EV-DO Rev 0 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.

On December, 2006, auby KDDI became the first carrier to provide an EV-DO Rev A service ay data rate of 3.1Mbit/s (downlink), 1.8Mbit/s (uplink).

au by KDDI has been very successful with its EZ wireless data services, EZweb, EZweb@mail, EZappli, EZchakuuta, ezmovie, and EZnaviwalk (GPS), using the advanced WAP technology. It supports both Java ME and BREW application environments.

In November 2004 au by KDDI introduced the music include ringtone download service Chaku Uta Full (music ringtone 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 by 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.

Consumer showroom is set in Harajuku called, "KDDI Designing Studio‎"

TU-KA (TU-KA by KDDI), a subsidiary company of KDDI, was a 2G PDC cellular operator which did not apply a 3G license. TU-KA was best known for having superstar Ayumi Hamasaki to appear in their commercials. TU-KA was closed in March 31, 2008.

DDI Pocket, a PHS operator, was previously owned by KDDI but has now been spun off as Willcom.

References and footnotes

^ Merger of DDI, KDD and IDO

External links

(Japanese) KDDI CORPORATION
(English) KDDI CORPORATION
- About KDDI
- Investor Relations
KDDI au

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