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| OCT Naha Data Center | ||||||||
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| アグリ&マルシェ、ネットワーク事業 | ||||||||
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Okinawa Cellular Mirai Create Inc.
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| 都市型データセンター |
The start of Okinawa Cellular telephone was a room on the 4th floor of Naha Daiichi Life Building. Three people dispatched from DDI were the first to work there. The room had no desk or chair, and only three landline phones were placed on the floor.
In October 1990 (Heisei 2), the "Okinawa Discussion Group" was established by mainland and Okinawan business people to cooperate for Okinawa's development, during which the policy to establish a mobile phone company was clarified.
The "Okinawa Discussion Group" was founded with the purpose of cooperating for Okinawa's development, and the plan to establish a mobile phone company was revealed within it.
Okinawa Cellular Telephone Co., Ltd. established.
Our company was established on June 1, 1991 (Heisei 3) with investment from major companies including KDDI Co., Ltd. (formerly Second Electric Telephone Co., Ltd.) as a mobile and car phone service provider in Okinawa.
Our company was established in Okinawa as a mobile and automotive telephone service provider, with major investors including KDDI Co., Ltd. (formerly Second Electric Communications Co., Ltd.).
Okinawa Cellular Telephone Co., Ltd. established.
Established on June 1, 1991 (Heisei 3)
1992 (Heisei 4): March: Received first-class telecommunications business license from the Ministry of Posts.
Received a first‑class telecommunications business license from the Ministry of Posts.
Pre-opening reservation campaign.
April: Moved headquarters to Kumoji, Naha City.
Relocated headquarters to Kumoji, Naha City.
Headquarters relocation.
1992 (Heisei 4): April: Headquarters moved to Kumoji, Naha City
July: Received approval from the Ministry of Posts for the cellular telephone service contract terms.
Obtained approval from the Ministry of Posts for the terms and conditions of cellular telephone service contracts.
1992 (Heisei 4): July: Received approval from the Ministry of Posts for cellular telephone service contract terms
October: Started mobile and car phone services.
Commenced mobile and automotive telephone services.
1992 (Heisei 4): October: Mobile and automotive telephone services launched
Early mobile phone terminals.
NHK Taiga drama "Ryukyu no Kaze" begins broadcasting.
PR with taxi interior ads and stickers.
Dream Big Tree lighting, sponsorship for NAHA Marathon.
Cellular Spot 1st store opens.
Release of mobile phones such as Yuntakfon, HP-641, HP-831, HP-231.
1994 (Heisei 6): April: Implemented the mobile device sale restriction system.
Implemented a mobile device sale restriction policy.
July: Moved headquarters to Kumoji, Naha City.
Relocated headquarters to Kumoji, Naha City.
1995 (Heisei 7): July: Headquarters moved to Kumoji, Naha City
Services start in Kume Island, Ihaijima, and Isejima.
Services start in Miyako and Ishigaki.
Reached 50,000 operating units.
1996 (Heisei 8): November: Started digital (PDC) service.
Launch of digital (PDC) service.
1997 (Heisei 9): April: Registered shares with the Japan Securities Association.
Registered shares with the Japan Securities Dealers Association.
1998 (Heisei 10): July: Started digital (CDMA) service.
Launch of digital (CDMA) service.
Adoption of CDMA technology
11-digit mobile phone number conversion, Iridium satellite communication system service launch
Okinawa Shogaku High School wins Koshien for the first time in the prefecture
1999 (Heisei 11): May: Started EZweb service.
Launch of EZweb service.
EZweb service launch
New terminal building at Naha Airport completed
NTT Communications Inc. established
1999 (Heisei 11): November: Started prepaid mobile phone service.
Launch of prepaid mobile phone service.
2000 (Heisei 12): January: Started packet communication service.
Launch of packet communication service.
Motorola of the United States announced the Iridium satellite phone project and completed the deployment of communication satellites. In Japan, Japan Iridium Co., Ltd. was established in 1993 and began service in 1999. In Okinawa, due to expected demand from fishermen and marine sports in the maritime area, Iridium was actively sold, but the financial difficulties of the U.S. Iridium company led to its collapse, and the business was discontinued in March 2000.
2000 (Heisei 12): April: Launched international roaming service (GLOBAL PASSPORT).
Launch of international roaming service (GLOBAL PASSPORT).
2000 (Heisei 12): June: Received approval from the Ministry of Posts for the third-generation mobile phone system (IMT-2000).
Received approval for third‑generation mobile phone system (IMT‑2000) from the Ministry of Posts.
2000 (Heisei 12): July: Launched the mobile phone service brand "au (Ayu)".
Launch of mobile phone brand "au".
Introduction of unified brand "au"
2000 (Heisei 12): September: Discontinued analog (TACS) service.
Discontinuation of analog (TACS) service.
Formation of KDDI
Student service "Gaku-Var" launched
Japan Reggae Festa held
2002 (Heisei 14): April: Started third-generation mobile phone system "CDMA 1X" service.
Launch of third‑generation mobile phone system "CDMA 1X" service.
Launch of third-generation mobile phone service
2002 (Heisei 14): November: Relocated headquarters (Naha City, Kumochi)
Relocation of headquarters to Kunomachi, Naha City.
Launch of "Kazuuta" service
2003 (Heisei 15): March: Discontinued digital (PDC) service
Discontinuation of digital (PDC) service.
Okinawa Urban Monorail "Yui Rail" opened
2003 (Heisei 15): November: Started broadband mobile service "CDMA 1X WIN"
Launch of broadband mobile phone "CDMA 1X WIN" service.
Launch of "CDMA 1X WIN"
INFOBAR released
National Theatre Okinawa opens
Introduction of "Double Fixed"
CH-53 helicopter crash and fire at Okinawa International University main building
EZ "Kazuuta Full" service launched
EZ "Kazuuta Full" service begins
2004 (Heisei 16): December: Cancelled retail registration with the Japan Securities Association and listed shares on the JASDAQ Securities Exchange
Cancelled registration with the Japan Securities Dealers Association and listed shares on the JASDAQ Stock Exchange.
au Shika! born
Launch of au Joy Project
Operating units surpassed 400,000
Uruma City established (municipal merger)
Four towns—Kushikino, Ishikawa, Katsuren, Yonashiro—merge to form Uruma City
au shop sales staff wear original Karyushi apparel
Since May 2005, au shop sales staff will wear original Karyushi apparel as summer uniforms
KDDI "au LISTEN MOBILE SERVICE" launched
Kikuna Kurara selected as first runner-up at the 55th Miss Universe World Competition
At the 55th Miss Universe World Competition, Japan’s representative Chinaka Kurara becomes a semi‑Miss Universe
2006 (Heisei 18): October: Started "Mobile Number Portability"
Launch of "Mobile Number Portability".
2006 (Heisei 18): November: Introduced the extended version "EV-DO Rev.A" of "CDMA2000 1X EV-DO"
Introduction of the extended version "EV‑DO Rev.A" of "CDMA2000 1X EV‑DO".
Released MEDIA SKIN, W44S, W47T, W44K, etc.
2007 (Heisei 19): November: Launched "au Purchase Select" allowing customers to choose how to buy au mobile phones
Launch of "au Purchase Select" allowing customers to choose how to buy au mobile phones.
Okinawa Shogaku High School wins the 80th High School Baseball Invitational
At the 80th National High School Baseball Invitational, Okinawa Shogaku High School wins its second title in nine years
2008 (Heisei 20): November: Opened the Minami-jo Network Center
Opening of Nanjō Network Center.
au Paradise Net renewed
Opened "Churashima MESH" website
2009 (Heisei 21): November: Started providing the mobile mail marketing system "e-toku" for retail distribution businesses
Launch of mobile mail marketing system "e-toku" for retail distribution businesses.
2010 (Heisei 22): January: Made Okinawa Communications Network Co., Ltd. (now OTNets Co., Ltd.) a subsidiary through a third‑party private placement
To address child poverty in Okinawa, our company established the "Okinawa CLIP Marche" e‑commerce site, and a portion of its revenue was used to fund the "Okinawa Cellular Children Fund." Donations have been made to 34 organizations to date (cumulative up to 2020).
Acquired Okinawa Communications Network Co., Ltd. (now OTNets Co., Ltd.) as a subsidiary through a third‑party private placement.
2010 (Heisei 22): March: Started providing the high‑speed internet and telephone service "au Hikari Chura" using fiber optic lines
Launched the high‑speed internet and phone service "au Hikari Chura" using fiber‑optic lines.
Launched "au Hikari Chura" service
2010 (Heisei 22): April: Listed on Osaka Securities Exchange JASDAQ (now Osaka Securities Exchange JASDAQ Standard) following the merger of JASDAQ and Osaka Stock Exchange
Listed on Osaka Securities Exchange JASDAQ (Standard) following the merger of the JASDAQ Stock Exchange and Osaka Stock Exchange.
Inauguration of Okinawa Cellular Stadium Naha and Okinawa Cellular Park Naha
2013 (Heisei 25): July: Listed shares on the Tokyo Stock Exchange JASDAQ Standard following the integration of the physical markets of the Osaka and Tokyo Stock Exchanges
Listed shares on Tokyo Stock Exchange JASDAQ (Standard) following the integration of the physical markets of the Osaka and Tokyo Stock Exchanges.
2013 (Heisei 25): August: Relocated headquarters to current location (Naha City, Matsuyama)
Moved headquarters to the current location (Matsuyama, Naha City).
2014 (Heisei 26): September: Established subsidiary Okinawa Value Nibler Co., Ltd. (formerly UQ Mobile Okinawa Co., Ltd.)
Established subsidiary Okinawa Value Nibler Co., Ltd. (formerly UQ Mobile Okinawa Co., Ltd.).
Started island mobile phone scholarship
Island mobile phone scholarship
2016 (Heisei 28): March: Opened the Tomigusuku Network Center
Opened Tomigusuku Network Center.
2016 (Heisei 28): August: Changed the corporate name of Okinawa Value Nibler Co., Ltd. to UQ Mobile Okinawa Co., Ltd.
Changed the corporate name of Okinawa Value Nibler Co., Ltd. to UQ Mobile Okinawa Co., Ltd.
Established Okinawa Cellular Children Fund
At Ogi-Mi Farm, we began the first fully closed-type strawberry (Chura Island Berry) cultivation in the prefecture using ICT from August 2017, and shipped the first batch in July 2018.
2017 (Heisei 29): September: Established Okinawa Cellular Agri & Marche Co., Ltd. through a new split
Established Okinawa Cellular Agri & Marche Co., Ltd. through a new split.
Rebooted "Omoide Keitai"
First in the world to successfully stream free-viewpoint video in real time using "5G"
First fully sealed strawberry (Chura Island Berry) shipment in the prefecture using ICT
At Ogi-Mi Farm, we began the first fully closed-type strawberry (Chura Island Berry) cultivation in the prefecture using ICT from August 2017, and shipped the first batch in July 2018.
Opened "KDDI DIGITAL GATE Okinawa"
2019 (Reiwa 1): November: Started providing the electric service "au Denki"
Started providing the electric service "au Denki".
Initiated drone-based logistics demonstration project in Taketomi Town
2020 (Reiwa 2): April: Began operation of the Okinawa‑Kyushu submarine cable
Commenced operation of the Okinawa‑Kyushu submarine cable.
Distributed free eco-bags to au mobile subscribers
2020 (Reiwa 2): October: Absorption merger with UQ Mobile Okinawa Co., Ltd.
Absorbed and merged UQ Mobile Okinawa Co., Ltd.
Online diagnosis demonstration project for all residents of Yonaguni Town
In December 2020, we successfully conducted a demonstration experiment on the sea between Nishi-Obira Island and Hatoma Island (approximately 6.8 km) under bad weather conditions, carrying general pharmaceutical products. Transport under strong wind and rain was a first in Japan.
2021 (Reiwa 3): February: Brand slogan refreshed: "Our Mind, Timeless Our Challenge, Timeless"
Revamped the brand slogan: "Our Mind, Timeless Our Challenge, Timeless".
『Okinawa Health Management Plus 1 Project』 launches! Signed comprehensive cooperation agreement with Ryukyu University
2021 (Reiwa 3): June: 30th anniversary of company founding
Celebrated the 30th anniversary of the company.
Legendary au Shika! Taxi operation
2021 (Reiwa 3): November: Completion of Okinawa Cellular Forest Building
Completed Okinawa Cellular Forest Building.
2022 (Reiwa 4): April: Transition from Tokyo Stock Exchange JASDAQ (Standard) to Standard Market due to review of market classification
Moved from Tokyo Stock Exchange JASDAQ (Standard) to the Standard market following a review of market classifications.
2022 (Reiwa 4): July: Okinawa Communication Network Co., Ltd. changed its corporate name to OTNets Co., Ltd.
Changed the corporate name of Okinawa Communications Network Co., Ltd. to OTNets Co., Ltd.
2023 (Reiwa 5): July: Commencement of operation of the optical submarine cable connecting Okinawa Main Island, Ishigaki Island, Miyako Island, and Kume Island
Commenced operation of the submarine cable connecting Okinawa Main Island, Ishigaki Island, Miyako Island, and Kume Island.
2023 (Reiwa 5): November: Through a third‑party allotment of capital, MC Okinawa Co., Ltd. became a subsidiary and changed its name to Okinawa Cellular Mirai Create Co., Ltd.
Acquired MC Okinawa Co., Ltd. as a subsidiary through a third‑party private placement and changed its name to Okinawa Cellular Mirai Create Co., Ltd.
2024 (Reiwa 6): April: Okinawa Cellular Building WELL certification Platinum achieved
Obtained WELL Platinum certification for Okinawa Cellular Building.
au Hikari Chura 10 Gig service launch.
Smart e-Rental Cycle "GREEN RIDE OKINAWA" service starts.
2025 (Reiwa 7): April: au Hikari Chura 10G service begins
Announced achievement of 2024 Carbon Neutral.
2025 (Reiwa 7): July: Smart e-ride bicycle service "GREEN RIDE OKINAWA" launched
Okinawa Cellular enters electricity retail business.
2025 (Reiwa 7): October: Okinawa Cellular enters power retail business
New brand statement "All for Family." announced.
2026 (Reiwa 8): January: New brand statement "All for Family." announced
eStyle NAHA TSUNABeeeeee! grand opening.
2026 (Reiwa 8): February: eStyle NAHA TSUNABeeeeee! grand opening
35th anniversary of company founding.
2026 (Reiwa 8): June: Company celebrates 35th anniversary
Okinawa Cellular Telephone Co., Ltd. notified on October 22, 2026, about the impact on communication services due to the approach of Typhoon No. 30 (Champa). If a power outage or equipment damage occurs, restoring communication may be possible by turning the power back on after recovery. If the service is unavailable, the company instructs users to turn off the ONU or modem, wait several dozen seconds, and then turn it on again.
Typhoon No. 26 (Suriage) is expected to approach the Okinawa main island area from September 27 to 29, which may affect communication services. In the event of a disruption, we will confirm the safety of our workers before proceeding with restoration work. We are urging the securing of items that could be blown away by the wind. If communication devices remain inoperable after power is restored, please restart the device’s power. If the issue persists, we advise contacting the au Hikari Chura Customer Center.
Typhoon No. 26 (Surigae) is expected to approach the Sakishima Islands and Okinawa Island from September 27 to 29, 2026, and communications services may be affected by power outages or damage to facilities. If an outage occurs, our technicians will begin restoration work promptly after the typhoon has passed and it is safe to do so. If you are still unable to use the service after power is restored, turn off the power to your ONU, modem, or other equipment, wait several tens of seconds, and then turn it back on. For questions, please contact the Hikari Yuimaru Customer Center (TEL: 0120-921-114).
Typhoon No. 24 (Krathon) is expected to approach the Okinawa Main Island area from September 3 to 4, and may affect communications services. If an outage occurs, restoration work will begin after workers' safety has been confirmed. As a typhoon precaution, customers are asked to secure items that could be blown away. If service remains unavailable after power is restored, customers are advised to restart their communications equipment and, if that does not resolve the issue, contact the au Hikari Chura Customer Center.
Typhoon 24 (Krovann) is expected to approach the Daito region and Okinawa Main Island around September 2 to 4, potentially causing power outages and equipment damage that may affect communication services. If a fault occurs, we will confirm the safety of our workers before proceeding with restoration work. If services remain unavailable after power is restored, we advise turning off the power to in-home communication devices such as ONUs and reinserting them after a few dozen seconds.
Typhoon No. 18 (Soudelor) is expected to approach the Okinawa Main Island region from August 25 to 26, and may affect communications services. If an outage occurs, restoration work will begin after workers’ safety has been confirmed. Customers are urged to take precautions against the typhoon in advance. If services remain unavailable after power is restored, they should restart their communications equipment; if this does not resolve the issue, they should contact the au Hikari Chura Customer Center.
Typhoon 18 (Souder) is expected to approach the Daito region, Okinawa Main Island, and the Senkaku Islands from around August 25 to 27, 2026, potentially causing power outages and equipment damage that may affect communication services. In the event of a fault, workers will first confirm safety before proceeding with restoration work. If services remain unavailable after power restoration, customers are advised to reset the power to in‑home communication devices such as ONUs; if the issue persists, they should contact the customer center.
Typhoon No. 13 (Dolphin) is expected to approach the main island of Okinawa from August 7 to 8, and may affect communications services. If an outage occurs, restoration work will begin after the safety of workers has been confirmed. If service remains unavailable after power is restored, customers are advised to restart their communications equipment and, if that does not resolve the issue, contact the au Hikari Chura Customer Center.
Okinawa Cellular Telephone Co., Ltd. notified that from August 6 to around August 8, 2026, Typhoon No. 13 (Dolphin) approaching the Daito region, Okinawa Main Island, and Senkaku Islands may cause power outages and equipment damage, potentially affecting communication services. In the event of a malfunction, workers will promptly resume restoration work after confirming safety once the typhoon has passed. If services remain unavailable after power restoration, users are advised to turn off the device, wait several dozen seconds, and then power it on again.
Typhoon No. 9 (Bavi) may approach the Sakishima Islands and Okinawa Main Island around July 10–11, 2026, potentially affecting communication services and scheduled installation and line removal work. If an outage occurs, restoration work will begin once safety has been confirmed. If service remains unavailable after power is restored, customers are advised to restart their in-home communication equipment. For questions, contact the au Hikari Chura Customer Center at 0120-994-778.