Okinawa’s total communications provider, born in 1991 and raised by the voices of the people.

The Okinawa Discussion Group, established in October 1990 as a vehicle for businessmen of Okinawa and mainland Japan to work together for development of Okinawa, announced its intention to establish a portable phone company. Funded by DDI and other major firms, Okinawa Cellular was established on June 1, 1991, to provide portable and car phone services in the Okinawa region.



Mar.: Ministry of Posts and Telecommunications issues Telecommunications Business License

Apr.: Main office location changes (Kumoji, Naha City, Okinawa Prefecture)

Jul.: Cellular Phone Service Contract Bylaws approved by Ministry of Posts and Telecommunications

Oct.: Mobile Car Phone TACS (Analog) service starts


Apr.: Buyout system offered for portable phone units


Jul.: Main office location changes (Kumoji, Naha City, Okinawa Prefecture)


Nov.: PDC (digital) system service starts


Apr.: Corporate stock registered at Securities Dealers Association of Japan


Jul.: Start of CDMA service


May.: Start of “ez web” Internet & e-mail service

Nov.: Start of Cell Pre-Phone (prepaid) service


Jan.: Start of packet communications service

Apr.: Start of international roaming service, “GLOBAL PASSPORT”

Jun.: Application for 3rd generation mobile telephone system (IMT-2000) approved by Ministry of Posts and Telecommunications

Jul.: Start of 3rd generation mobile telephone service with the brand “au”

Sep.: Service end of TACS (analogue) service


Apr.: Start of “CDMA2000 1x” service

Nov.: Main office location changes (Kumoji, Naha City, Okinawa Prefecture)


Mar.: Service end of PDC (digital) service

Nov.: Start of CDMA 1X WIN service

2004 Dec.: Shop registration cancelled with Japan Securities Dealers Association; Shares listed on Jasdaq Securities Exchange

Oct.: Start of Mobile Number Portability service

Dec.: “EV-DO Rev.A,” an upgraded version of “CDMA2000 1xEV-DO” is adopted.

2007 Nov.: Launched the “au Purchase Program,” which allows customers to select their preferred method of purchasing an au mobile phone.

Nov.: Nanjo Network Center opened


Nov.: Launched “eTOKU,” a mobile-phone based mail marketing system aimed at distributors and retailers.


Jan.: Acquired Okinawa Telecommunication Network Co., Inc., through the purchase of new shares allocated to a third party.

Mar.: Launched a high-speed Internet and telephone service using optical fiber cables, “au HIKARI Chura.”
Apr.: The Osaka Securities Exchange merged Jasdaq Securities Exchange, Inc; Shares listed on JASDAQ Standard, the Osaka Securities Exchange.


Jul.: Shares listed on the Tokyo Stock Exchange JASDAQ (Standard) in line with the integration of the cash markets of the Osaka Securities Exchange and the Tokyo Stock Exchange

Aug.: Main office moved to current location (Matsuyama, Naha City, Okinawa Prefecture)

2014 Sep.: Subsidiary Okinawa Value Enabler Co., Ltd. is established (formerly UQ mobile Okinawa Corporation)

Mar.: Tomigusuku Network Center opened

Aug: Okinawa Value Enabler Co., Ltd. changes trade name to UQ mobile Okinawa Corporation

2017 Sep.: Okinawa Cellular Agri & Marche Corporation established through new company split
2019 Nov.: Launched au Denki, the au electricity service

Apr.: Start of Okinawa-Kyushu submarine cable operations

Oct.: Absorption-type merger of UQ mobile Okinawa Corporation


Feb.: Renewal of brand slogan:

Our Mind, Timeless  Our Challenge, Timeless

Jun.: 30th anniversary of establishment