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{{Short description|Japanese telecommunication brand}}
{{update|date=September 2013}}
{{Use dmy dates|date=April 2012}}
{{Use dmy dates|date=February 2021}}
{{lowercase}}
{{lowercase}}
{{distinguish|text= Australian telecommunications company [[Telstra]]}}
{{Infobox company
{{Infobox company
| name = au
| name = au
| logo = [[File:Au 2012 newlogo.svg|au logo]]
| logo = [[File:Au 2012 newlogo.svg|au logo]]
| type = Public company
| image = Garden Air Tower.jpg
| type = [[Public company]]
| foundation = November 1, 2000
| foundation = {{start date and age|df=y|2000|11|1}}
| location = Japan
| location = Japan
| key_people =
| key_people =
| industry = [[Wireless]] Services
| industry = [[Telecommunications]]
| products = Chaku-Uta-Full, [[LISMO]]
| products = Chaku-Uta-Full, [[LISMO]]
| revenue =
| revenue =
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| num_employees =
| num_employees =
| parent = [[KDDI]]
| parent = [[KDDI]]
| homepage = {{URL|www.au.com}}
| homepage = {{URL|https://au.com}}
}}
}}
[[File:Au Shop Imafuku-Tsurumi.JPG|thumb|An au store in Osaka]]
[[File:Au Shop Imafuku-Tsurumi.JPG|thumb|An au store in Osaka]]

'''au''', or '''au by KDDI''', is a brand marketed by [[KDDI]] in the main islands of Japan and by '''Okinawa Cellular''' in [[Okinawa]] for their mobile cellular services.
'''au''', or '''au by KDDI''', is a Japanese [[mobile phone operator]]. au is a brand marketed by [[KDDI]] in the main islands of Japan and by '''Okinawa Cellular''' in [[Okinawa]] for their mobile cellular services. au is the [[List of mobile network operators of the Asia Pacific region#Japan|second-largest wireless carrier in Japan]], with 60.398 million subscribers as of March 2021.<ref>{{cite web |url=http://www.tca.or.jp/english/database/index.html |title=Number of subscribers by Carriers｜TCA |publisher=Tca.or.jp}}</ref>


==Naming==
==Naming==
According to<ref name="ZYXYZ">{{cite web | url=http://www.zyxyz.co.jp/en/p_portfolio/company_names/au_/ | title=社名・コーポレートブランド名 | publisher=ZYXYZ | accessdate=28 December 2013}}</ref> the brand creator, the name 'au' is based on the Japanese verbs for 'meet' (会う) and 'unite' (合う) (both pronounced 'au'). However, KDDI explains that au comes from two letters which stand for few words. 'A' is for access, always and amenity, and 'U' is for unique, universal and user. There is also a phrase, 'access to u(you)' that goes along the brand name.<ref>{{cite web |url=http://www.kddi.com/corporate/news_release/kako/2000/0522/index2.html |title=全国シームレスな移動体通信事業の統一ブランド「au(エーユー)」について |publisher=KDDI |accessdate=12 February 2008 |language=Japanese |archiveurl=https://web.archive.org/web/20080129185901/http://www.kddi.com/corporate/news_release/kako/2000/0522/index2.html |archivedate=29 January 2008 |url-status=dead |df=dmy-all }}</ref>
According to the brand creator, the name 'au' is based on the Japanese verbs for 'meet' (会う) and 'unite' (合う) (both pronounced 'au').<ref name="ZYXYZ">{{cite web | url=http://www.zyxyz.co.jp/en/p_portfolio/company_names/au_/ | title=社名・コーポレートブランド名 | date=10 August 2010 | publisher=ZYXYZ | access-date=28 December 2013}}</ref> However, KDDI explains that au comes from two letters which stand for few words. 'A' is for access, always and amenity, and 'U' is for unique, universal and user. There is also a phrase, 'access to u(you)' that goes along the brand name.<ref>{{cite web |url=http://www.kddi.com/corporate/news_release/kako/2000/0522/index2.html |title=全国シームレスな移動体通信事業の統一ブランド「au(エーユー)」について |publisher=KDDI |access-date=12 February 2008 |language=ja |archive-url=https://web.archive.org/web/20080129185901/http://www.kddi.com/corporate/news_release/kako/2000/0522/index2.html |archive-date=29 January 2008 |url-status=dead}}</ref>


==History==
==History==
The network that would eventually become Au was originally set up as two networks: DDI and IDO. IDO's network was based upon the NTT Hi-cap analog cellular system, and began operations in December 1988 in the Kanto and Tokai regions. DDI's network was run by independent phone companies, and began service in 1989 using the [[TACS]] system elsewhere in Japan. Nippon Idou Tsushin (IDO) was owned by [[Toyota]], whereas DDI was owned by [[Kyocera|Kyocera Corporation]].
The network that would eventually become au was originally set up as two networks: DDI and IDO. IDO's network was based upon the NTT Hi-cap analog cellular system, and began operations in December 1988 in the Kanto and Tokai regions. DDI's network was run by independent phone companies, and began service in 1989 using the [[TACS]] system elsewhere in Japan. Nippon Idou Tsushin (IDO) was owned by [[Toyota]], whereas DDI was owned by [[Kyocera|Kyocera Corporation]].


{{Nihongo|au K.K.|株式会社エーユー}} was established in November 2000 by Kyocera as part of the DDI Cellular network. In 2001, the company was merged into KDDI (which had been formed in 2000 by the merger of DDI, KDD, and IDO), but its brand name was retained and applied to all mobile phone service under KDDI group.
{{Nihongo|au K.K.|株式会社エーユー}} was established in November 2000 by Kyocera as part of the DDI Cellular network. In 2001, the company was merged into KDDI (which had been formed in 2000 by the merger of DDI, KDD, and IDO), but its brand name was retained and applied to all mobile phone service under KDDI group.


Au established a nationwide [[3G]] network in 2003, replacing its previous [[cdmaOne]] service with CDMA 1X WIN ([[EV-DO|1xEV-DO Rev A]]) service.{{citation needed|date=February 2015}}
au established a nationwide [[3G]] network in 2003, replacing its previous [[cdmaOne]] service with CDMA 1X WIN ([[EV-DO|1xEV-DO Rev A]]) service.{{citation needed|date=February 2015}}


Au started selling the [[iPhone 4S]] from 14 October 2011.{{Citation needed|date=April 2012}}
au started selling the [[iPhone 4S]] from 14 October 2011.{{Citation needed|date=April 2012}}


Au launched [[LTE (telecommunication)|LTE]] service as 'Au 4G LTE' in September 2012.
au launched [[LTE (telecommunication)|LTE]] service as 'au 4G LTE' in September 2012.

au launched 5G service as 'UNLIMITED WORLD au 5G' in 26, March 2020.<ref>{{Cite web|url=https://news.kddi.com/kddi/corporate/newsrelease/2020/03/23/4326.html|title="UNLIMITED WORLD au 5G"始動。第5世代移動通信サービス「au 5G」、3月26日から開始|publisher=news.kddi.com|language=ja|access-date=2020-03-30}}</ref>


==Products and services==
==Products and services==
⚫
*'''EZweb''': A service which provides various features for mobile phone users, including e-mail, web browsing, picture and video sharing, video conferencing, access to location-based services, games and [[Emoji]]. The service runs on traditional [[cdmaOne]] mobile phone networks at a data rate of 64&nbsp;kbit/s or on the new 1xEV-DO Rev A network with up to 3.1&nbsp;Mbit/s downstream and 1.8&nbsp;Mbit/s upstream bandwidth. In spring 2004, au became the first cellular phone based data service provider to offer an unlimited use flat-rate plan in Japan.
[[File:Au W31CA CASIO gif-anime1.gif|thumb|au W31CA mobile phone produced by [[Casio]] in 2007]]
[[File:Au W62S Silver-Leather open.jpg|thumb|200px|[[Sony Ericsson]] (W62S) from 2008]]
[[File:Xperia Z1 SOL23 front.jpg|thumb|[[Sony Xperia Z1]] (SOL23 model) with au boot screen]]
[[File:AuLISMO Character.jpg|thumb|LISMO-kun at<br/>[[KDDI Designing Studio]]]]
⚫
*'''EZweb''': A service which provides various features for mobile phone users, including e-mail, web browsing, picture and video sharing, video conferencing, access to location-based services, games and [[Emoji]]. The service runs on traditional [[cdmaOne]] mobile phone networks at a data rate of 64 kbit/s or on the new 1xEV-DO Rev A network with up to 3.1 Mbit/s downstream and 1.8 Mbit/s upstream bandwidth. In spring 2004, au became the first cellular phone based data service provider to offer an unlimited use flat-rate plan in Japan.
*'''EZweb@mail''': Multimedia messaging service.
*'''EZweb@mail''': Multimedia messaging service.
*'''C-mail''': [[Short Message Service]]
*'''C-mail''': [[Short Message Service]]
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*'''EZmovie''': Movie player.
*'''EZmovie''': Movie player.
*'''EZchannel'''
*'''EZchannel'''
*'''EZ Machi Uta''': A service that allows users to customize their [[ringback tone]]s with music, etc.<ref>{{cite web|url=http://www.kddi.com/english/corporate/news_release/2007/0326/index.html|title=KDDI Announces 'EZ Machi Uta' Subscribers Exceed One Million|accessdate=14 March 2008}}</ref>
*'''EZ Machi Uta''': A service that allows users to customize their [[ringback tone]]s with music, etc.<ref>{{cite web|url=http://www.kddi.com/english/corporate/news_release/2007/0326/index.html|title=KDDI Announces 'EZ Machi Uta' Subscribers Exceed One Million|access-date=14 March 2008}}</ref>
*'''EZnavigation''': A service which is a component of EZWeb and allows GPS-enabled handsets to plot their position.
*'''EZnavigation''': A service which is a component of EZWeb and allows GPS-enabled handsets to plot their position.
*'''EZnaviwalk''': Gives scrolling map and audio navigation to guide you to your destination. Also displays restaurant, shop and weather information for the area.
*'''EZnaviwalk''': Gives scrolling map and audio navigation to guide you to your destination. Also displays restaurant, shop and weather information for the area.
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*'''EZ television 1seg''': Supports [[1seg]] digital terrestrial broadcasting for phones and mobile devices. Also supports data broadcasts. EZ television 1seg does not support analog television.
*'''EZ television 1seg''': Supports [[1seg]] digital terrestrial broadcasting for phones and mobile devices. Also supports data broadcasts. EZ television 1seg does not support analog television.
*'''au 4G LTE''': FDD-LTE service.
*'''au 4G LTE''': FDD-LTE service.
*'''AU internet''': an internet service provided by AU through KDDI from [[Japan]].


==References==
==References==
{{reflist}}
{{Reflist}}


==External links==
==External links==
* {{Official website|http://www.au.com/english}}
* {{Official website|https://www.au.com}}


⚫
{{Japanese mobile phone companies}}
{{KDDI}}
{{KDDI}}
⚫
{{Japanese mobile phone companies}}
{{Authority control}}


[[Category:KDDI]]
[[Category:KDDI]]
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[[Category:Japanese brands]]
[[Category:Japanese brands]]
[[Category:Telecommunications companies established in 2000]]
[[Category:Telecommunications companies established in 2000]]
[[Category:Retail companies established in 2000]]

Latest revision as of 21:32, 25 April 2024

Not to be confused with Australian telecommunications company Telstra.
au
Company typePublic company
IndustryTelecommunications
Founded1 November 2000; 23 years ago (2000-11-01)
HeadquartersJapan
ProductsChaku-Uta-Full, LISMO
ParentKDDI
Websiteau.com
An au store in Osaka

au, or au by KDDI, is a Japanese mobile phone operator. au is a brand marketed by KDDI in the main islands of Japan and by Okinawa Cellular in Okinawa for their mobile cellular services. au is the second-largest wireless carrier in Japan, with 60.398 million subscribers as of March 2021.[1]

Naming[edit]

According to the brand creator, the name 'au' is based on the Japanese verbs for 'meet' (会う) and 'unite' (合う) (both pronounced 'au').[2] However, KDDI explains that au comes from two letters which stand for few words. 'A' is for access, always and amenity, and 'U' is for unique, universal and user. There is also a phrase, 'access to u(you)' that goes along the brand name.[3]

History[edit]

The network that would eventually become au was originally set up as two networks: DDI and IDO. IDO's network was based upon the NTT Hi-cap analog cellular system, and began operations in December 1988 in the Kanto and Tokai regions. DDI's network was run by independent phone companies, and began service in 1989 using the TACS system elsewhere in Japan. Nippon Idou Tsushin (IDO) was owned by Toyota, whereas DDI was owned by Kyocera Corporation.

au K.K. (株式会社エーユー) was established in November 2000 by Kyocera as part of the DDI Cellular network. In 2001, the company was merged into KDDI (which had been formed in 2000 by the merger of DDI, KDD, and IDO), but its brand name was retained and applied to all mobile phone service under KDDI group.

au established a nationwide 3G network in 2003, replacing its previous cdmaOne service with CDMA 1X WIN (1xEV-DO Rev A) service.[citation needed]

au started selling the iPhone 4S from 14 October 2011.[citation needed]

au launched LTE service as 'au 4G LTE' in September 2012.

au launched 5G service as 'UNLIMITED WORLD au 5G' in 26, March 2020.[4]

Products and services[edit]

  • EZweb: A service which provides various features for mobile phone users, including e-mail, web browsing, picture and video sharing, video conferencing, access to location-based services, games and Emoji. The service runs on traditional cdmaOne mobile phone networks at a data rate of 64 kbit/s or on the new 1xEV-DO Rev A network with up to 3.1 Mbit/s downstream and 1.8 Mbit/s upstream bandwidth. In spring 2004, au became the first cellular phone based data service provider to offer an unlimited use flat-rate plan in Japan.
  • EZweb@mail: Multimedia messaging service.
  • C-mail: Short Message Service
  • 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 Entertainment Japan.
  • 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 HE-AAC. The size of one piece of music is about 1.5 MiB. Downloaded content is secured on a memory card (miniSD, microSD, Memory Stick PRO Duo, M2) plugged into the mobile, using CPRM copy protection. Chaku-Uta Full is the trademark of Sony Music Entertainment Japan.
  • EZappli: BREW applications.
  • EZmovie: Movie player.
  • EZchannel
  • EZ Machi Uta: A service that allows users to customize their ringback tones with music, etc.[5]
  • EZnavigation: A service which is a component of EZWeb and allows GPS-enabled handsets to plot their position.
  • EZnaviwalk: Gives scrolling map and audio navigation to guide you to your destination. Also displays restaurant, shop and weather information for the area.
  • EZnewsflash: Using BCMCS technology.
  • PC Site Viewer
  • LISMO: au Listen Mobile Service. (Character mascot for this service is LISMO-kun).
  • Global Passport: Global roaming service (CDMA and GSM), the first AU handset requiring a "SIM card" (IC Card).
  • Global Expert: Successor to above
  • EZ FeliCa: Osaifu-Keitai, a payment system.
  • EZ television: An EZappli when watching analog terrestrial broadcasting. Ended on 24 July 2011 in most areas and on 31 March 2012 in Iwate, Miyagi, and Fukushima prefectures.
  • EZ television 1seg: Supports 1seg digital terrestrial broadcasting for phones and mobile devices. Also supports data broadcasts. EZ television 1seg does not support analog television.
  • au 4G LTE: FDD-LTE service.
  • AU internet: an internet service provided by AU through KDDI from Japan.

References[edit]

  1. ^ "Number of subscribers by Carriers｜TCA". Tca.or.jp.
  2. ^ "社名・コーポレートブランド名". ZYXYZ. 10 August 2010. Retrieved 28 December 2013.
  3. ^ "全国シームレスな移動体通信事業の統一ブランド「au(エーユー)」について" (in Japanese). KDDI. Archived from the original on 29 January 2008. Retrieved 12 February 2008.
  4. ^ ""UNLIMITED WORLD au 5G"始動。第5世代移動通信サービス「au 5G」、3月26日から開始" (in Japanese). news.kddi.com. Retrieved 30 March 2020.
  5. ^ "KDDI Announces 'EZ Machi Uta' Subscribers Exceed One Million". Retrieved 14 March 2008.

External links[edit]

Retrieved from "https://en.wikipedia.org/w/index.php?title=Au_(mobile_phone_company)&oldid=1220780809"