KDDI Corporation
KDDI株式会社 |
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| Type |
Public (TYO: 9433) |
| Founded |
March 24, 1953 as Kokusai Denshin Denwa Co., Ltd. (KDD)
June 1, 1984 as Daini-Denden Planning, Inc. (DDI)
November 16, 1984 as Teleway Japan Corporation
March 9, 1987 as Nippon Idou Tsushin Corporation (IDO)[1] |
| Headquarters |
Chiyoda, Tokyo, Japan |
| Key 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) |
| Employees |
14,021 |
| Parent |
Kyocera (12.76%)
Toyota (11.09%)
TEPCO (7.97%) |
| Subsidiaries |
KDDI R&D Labs
KDDI Network & Solutions
Kokusai Cable Ship
Okinawa Cellular Telephone
KDDI America |
| Website |
www.kddi.com |
KDDI Building in Shinjuku, which used to be the headquarters of KDD.
KDDI Corporation (KDDI株式会社, KDDI Kabushiki Gaisha?) (TYO: 9433) is a Japanese telecommunications operator formed in October 2000 through the merger of DDI Corp., KDD Corp., and IDO Corp.[2]
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, Fiber to the Home (FTTH) 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.
See also
References and footnotes
- ^ History of KDDI KDDI Corporate Information
- ^ Merger of DDI, KDD and IDO
External links
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KDDI Group |
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