{
  "timeline": [
    {
      "date": "1881/1",
      "tags": [
        "会社設立"
      ],
      "category": "会社設立",
      "region": "",
      "importance": 4,
      "event": "沖牙太郎が電信機・電話機・電線・電鈴等を製造・販売するため、当社の前身である明工舎を創業",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1907/5",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "合資会社沖商会に組織変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1912/8",
      "tags": [
        "会社設立"
      ],
      "category": "会社設立",
      "region": "",
      "importance": 2,
      "event": "合資会社沖商会の販売部門として沖電気（株）を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1917/2",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "合資会社沖商会を沖電気（株）に合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1927/8",
      "tags": [
        "設備投資"
      ],
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "東京市芝区に芝浦事業所を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/11",
      "tags": [
        "組織再編",
        "経営危機"
      ],
      "category": "組織再編|経営危機",
      "region": "",
      "importance": 4,
      "event": "企業再建整備法による法定整備計画に基づき沖電気（株）は解散、同日にその第二会社として沖電気工業（株）（資本金1億8千万円）を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1951/11",
      "tags": [
        "株式上場"
      ],
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1958/11",
      "tags": [
        "設備投資"
      ],
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "情報処理装置生産のため群馬県高崎市に高崎事業所を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/7",
      "tags": [
        "株式上場"
      ],
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "大阪証券取引所に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/5",
      "tags": [
        "設備投資"
      ],
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "電子通信装置生産のため埼玉県本庄市に本庄事業所（現本庄工場）を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1973/6",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "富岡沖電気（株）を吸収合併し群馬県富岡市に富岡工場を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1979/12",
      "tags": [
        "設備投資"
      ],
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "情報処理装置生産のため静岡県沼津市に沼津工場を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1981/1",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "創業100周年",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/10",
      "tags": [
        "設備投資",
        "IT投資"
      ],
      "category": "設備投資|IT投資",
      "region": "",
      "importance": 1,
      "event": "埼玉県蕨市にシステム開発センタ（現蕨システムセンター）を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1987/12",
      "tags": [
        "海外進出"
      ],
      "category": "海外進出",
      "region": "欧州",
      "importance": 2,
      "event": "欧州におけるプリンターの販売統括会社OKI EUROPE LTD.を英国に設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1992/8",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "サービス部門強化のため（株）沖電気カスタマアドテック（現ＯＫＩクロステック（株））を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1994/4",
      "tags": [
        "設備投資",
        "海外進出"
      ],
      "category": "設備投資|海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "タイ国にプリンターのキーコンポーネントの組立工場（現OKI DATA MANUFACTURING(THAILAND)CO., LTD.）を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1994/10",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "プリンター、ファクシミリ及びこれに関連する事業を（株）沖データに譲渡",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/4",
      "tags": [
        "親子上場"
      ],
      "category": "親子上場",
      "region": "",
      "importance": 2,
      "event": "沖電気工事（株）（現ＯＫＩクロステック（株））の株式を東京証券取引所市場第二部に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/4",
      "tags": [
        "ガバナンス改革"
      ],
      "category": "ガバナンス改革",
      "region": "",
      "importance": 1,
      "event": "執行役員制を導入",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/7",
      "tags": [
        "海外進出",
        "設備投資"
      ],
      "category": "海外進出|設備投資",
      "region": "中国",
      "importance": 2,
      "event": "ＡＴＭの生産拡大と中国市場での販売のため、中国に沖電気実業（深セン）有限公司を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/4",
      "tags": [
        "設備投資"
      ],
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "埼玉県蕨市の事業所を拡張し、システムセンター（現蕨システムセンター）を竣工",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/6",
      "tags": [
        "海外進出"
      ],
      "category": "海外進出",
      "region": "中国",
      "importance": 1,
      "event": "中国にＯＫＩグループの中国販売統括会社日沖商業（北京）有限公司を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/10",
      "tags": [
        "事業売却",
        "構造改革"
      ],
      "category": "事業売却|構造改革",
      "region": "",
      "importance": 3,
      "event": "半導体事業を譲渡",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/6",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "株式交換により沖ウィンテック（株）（現ＯＫＩクロステック（株））を完全子会社化",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/12",
      "tags": [
        "企業買収"
      ],
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "公開買付により沖電線（株）を連結子会社化",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/4",
      "tags": [
        "新規事業",
        "組織再編"
      ],
      "category": "新規事業|組織再編",
      "region": "",
      "importance": 2,
      "event": "リカーリング型ビジネスの強化を目指してＯＫＩクロステック（株）を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/4",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "（株）沖データを吸収合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所の市場区分の見直しにより、東京証券取引所の市場第一部からプライム市場に移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/10",
      "tags": [
        "事業売却",
        "構造改革"
      ],
      "category": "事業売却|構造改革",
      "region": "",
      "importance": 3,
      "event": "プリンターの開発・生産に関する事業をエトリア（株）に承継",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    }
  ]
}