{
  "spec_version": "3",
  "endpoint": "timeline",
  "stock_code": "9436",
  "company_name": "沖縄セルラー電話",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9436/",
  "api_url": "/api/9436/timeline.json",
  "updated": "2026-08-14",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/9436/",
  "source": {
    "primary": [
      "https://corp.okinawa-cellular.jp/corporate/history/",
      "有価証券報告書"
    ],
    "extraction": "有価証券報告書の沿革を基礎に、社史・報道で補完",
    "row_field": "source"
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  "timeline": [
    {
      "date": "1990/10",
      "importance": 2,
      "event": "「沖縄懇話会」が携帯電話会社の設立方針を打ち出す",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/6",
      "importance": 3,
      "event": "第二電電をはじめ有力企業の出資により沖縄セルラー電話を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1992/3",
      "importance": 2,
      "event": "第一種電気通信事業許可を郵政省から取得",
      "source": "有価証券報告書"
    },
    {
      "date": "1992/10",
      "importance": 3,
      "event": "携帯・自動車電話サービスを開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1994/4",
      "importance": 1,
      "event": "移動機売切り制を実施",
      "source": "有価証券報告書"
    },
    {
      "date": "1996/11",
      "importance": 1,
      "event": "デジタル（PDC）方式のサービスを開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/4",
      "importance": 1,
      "event": "日本証券業協会に株式を店頭登録",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/7",
      "importance": 2,
      "event": "デジタル（CDMA）方式のサービスを開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/5",
      "importance": 1,
      "event": "EZwebサービスを開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/4",
      "importance": 1,
      "event": "国際ローミングサービス「GLOBAL PASSPORT」を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/7",
      "importance": 3,
      "event": "携帯電話サービスのブランド「au」を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/9",
      "importance": 1,
      "event": "アナログ（TACS）方式のサービスを終了",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/4",
      "importance": 2,
      "event": "第3世代携帯電話システム「CDMA 1X」サービスを開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/11",
      "importance": 1,
      "event": "ブロードバンドケータイ「CDMA 1X WIN」サービスを開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/12",
      "importance": 1,
      "event": "ジャスダック証券取引所に株式を上場",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/10",
      "importance": 2,
      "event": "携帯電話番号ポータビリティを開始",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2008/11",
      "importance": 1,
      "event": "南城ネットワークセンターを開局",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2010/1",
      "importance": 3,
      "event": "第三者割当増資引受により沖縄通信ネットワークを子会社化",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2010/3",
      "importance": 2,
      "event": "光ファイバーによる「auひかり ちゅら」を提供開始",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2010/4",
      "importance": 1,
      "event": "ジャスダック証券取引所と大阪証券取引所の合併に伴い大阪証券取引所JASDAQに上場",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2013/7",
      "importance": 1,
      "event": "東京証券取引所JASDAQ（スタンダード）に株式を上場",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2016/3",
      "importance": 1,
      "event": "とみぐすくネットワークセンターを開局",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2017/9",
      "importance": 1,
      "event": "沖縄セルラーアグリ&マルシェを新設分割により設立",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2019/11",
      "importance": 2,
      "event": "auの電気サービス「auでんき」を提供開始",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2020/4",
      "importance": 2,
      "event": "沖縄〜九州海底ケーブルの運用を開始",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2021/11",
      "importance": 1,
      "event": "沖縄セルラーフォレストビルが竣工",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2022/4",
      "importance": 1,
      "event": "東京証券取引所スタンダード市場に移行",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2023/7",
      "importance": 2,
      "event": "沖縄本島、石垣島、宮古島および久米島を結ぶ光海底ケーブルの運用を開始",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2023/11",
      "importance": 1,
      "event": "第三者割当増資引受によりMC沖縄を子会社化",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2025/10",
      "importance": 2,
      "event": "電力小売事業に参入",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    },
    {
      "date": "2026/1",
      "importance": 1,
      "event": "新ブランドステートメント「All for Family.」を発表",
      "source": "https://corp.okinawa-cellular.jp/corporate/history/"
    }
  ]
}