{
  "timeline": [
    {
      "date": "1972/4",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "大阪府大阪市住吉区（現住之江区）に資本金3300万円でローランド株式会社設立",
      "detail": "",
      "significance": "電子楽器メーカーの起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/8",
      "category": "チャネル改革",
      "region": "",
      "importance": 1,
      "event": "東京営業所、大阪営業所開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/8",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "ローランドブランド第1号商品となるリズムマシン発表",
      "detail": "",
      "significance": "リズムマシン市場創出",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/11",
      "category": "新規事業",
      "region": "",
      "importance": 2,
      "event": "ギターアンプ、エフェクター発売",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1973/3",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "大阪府大阪市にエフェクター製造のメグ電子株式会社（後のボス株式会社）設立",
      "detail": "",
      "significance": "BOSSブランドの源流",
      "source": "有価証券報告書"
    },
    {
      "date": "1973/4",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "シンセサイザー、電子ピアノ発表",
      "detail": "",
      "significance": "シンセサイザー市場参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1976/5",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "オーストラリアに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1978/4",
      "category": "海外進出",
      "region": "米州",
      "importance": 3,
      "event": "アメリカに販売会社設立",
      "detail": "",
      "significance": "北米市場本格展開",
      "source": "有価証券報告書"
    },
    {
      "date": "1981/1",
      "category": "海外進出",
      "region": "欧州",
      "importance": 3,
      "event": "イギリス、ドイツに販売会社設立",
      "detail": "",
      "significance": "欧州主要国直販体制",
      "source": "有価証券報告書"
    },
    {
      "date": "1981/3",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "デンマークに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1981/5",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "大阪府大阪市住之江区にエフェクター・キット／コンピュータ周辺機器のアムデック株式会社（現ローランド ディー．ジー．株式会社）設立",
      "detail": "",
      "significance": "後のローランドDGの源流",
      "source": "有価証券報告書"
    },
    {
      "date": "1981/11",
      "category": "海外進出",
      "region": "米州",
      "importance": 1,
      "event": "カナダに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1982/3",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "ベルギーに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1984/11",
      "category": "新規事業",
      "region": "",
      "importance": 2,
      "event": "大阪市に音楽教室（現ローランド・ミュージック・スクール）開設",
      "detail": "",
      "significance": "音楽教育事業参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1985/2",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "セット式電子ドラム発表",
      "detail": "",
      "significance": "V-Drumsへ繋がる電子ドラム市場創出",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/1",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "イタリアに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/3",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "静岡県引佐郡（現浜松市）に細江工場（現本社工場）完成",
      "detail": "",
      "significance": "主力生産拠点",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/7",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "スイスに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/12",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "大阪証券取引所市場第二部に上場",
      "detail": "",
      "significance": "初の株式公開",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/2",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "スペインに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/5",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "ハンガリーに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/9",
      "category": "設備投資|研究開発",
      "region": "",
      "importance": 2,
      "event": "浜松研究所完成",
      "detail": "",
      "significance": "R&D拠点",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/10",
      "category": "海外進出",
      "region": "米州",
      "importance": 1,
      "event": "ブラジルに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/5",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本社を大阪市北区堂島浜に移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/7",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "浜松市に都田工場完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/10",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "フランスに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/3",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "ポルトガルに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/6",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第二部に上場",
      "detail": "",
      "significance": "東証上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/9",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所及び大阪証券取引所市場第一部銘柄に指定",
      "detail": "",
      "significance": "東証一部昇格",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/10",
      "category": "親子上場",
      "region": "",
      "importance": 2,
      "event": "ローランド ディー．ジー．株式会社が東京証券取引所市場第二部に上場",
      "detail": "",
      "significance": "子会社の親子上場",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/1",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "ポーランドに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/7",
      "category": "海外進出|設備投資",
      "region": "中国",
      "importance": 3,
      "event": "中国に生産会社設立",
      "detail": "",
      "significance": "中国生産拠点獲得",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/9",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "ビクター・テクニクス・ミュージック株式会社と当社音楽教室を統合し、ローランド ミュージック スタジオ株式会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/3",
      "category": "親子上場",
      "region": "",
      "importance": 1,
      "event": "ローランド ディー．ジー．株式会社が東京証券取引所市場第一部銘柄に指定",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/3",
      "category": "海外進出",
      "region": "中国",
      "importance": 1,
      "event": "中国に物流会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/8",
      "category": "組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "ベルギーとフランスの販売会社統合",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/8",
      "category": "組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "スペインとポルトガルの販売会社統合",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/7",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本社を浜松市細江町に移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/7",
      "category": "海外進出",
      "region": "中国",
      "importance": 2,
      "event": "中国に販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/4",
      "category": "海外進出",
      "region": "欧州",
      "importance": 1,
      "event": "ロシアに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/2",
      "category": "組織再編",
      "region": "欧州",
      "importance": 2,
      "event": "イギリスに欧州地域販売子会社10社の持株会社設立",
      "detail": "",
      "significance": "欧州統括体制構築",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/7",
      "category": "株主対応",
      "region": "",
      "importance": 3,
      "event": "株式会社常若コーポレーションが当社普通株式を取得し、同社の子会社となる",
      "detail": "",
      "significance": "MBO実施",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/10",
      "category": "上場廃止",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第一部上場廃止",
      "detail": "",
      "significance": "MBOによる非上場化",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/11",
      "category": "海外進出|設備投資",
      "region": "東南アジア",
      "importance": 3,
      "event": "マレーシアに生産会社設立",
      "detail": "",
      "significance": "中国一極集中からの分散シフト",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/1",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "当社を存続会社として、株式会社常若コーポレーションと合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/4",
      "category": "組織再編",
      "region": "米州",
      "importance": 1,
      "event": "Roland RVS Holding Inc.（RVSの持株会社）設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/5",
      "category": "新規事業|海外進出",
      "region": "米州",
      "importance": 2,
      "event": "アメリカに音楽/メディア製作用ソフトウエアの開発・販売会社（RVS）を設立",
      "detail": "",
      "significance": "ソフトウェア事業強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/8",
      "category": "事業売却",
      "region": "",
      "importance": 3,
      "event": "ローランド ディー．ジー．株式会社の保有株式一部売却により、同社を持分法適用の範囲から除外",
      "detail": "",
      "significance": "DG事業との完全分離",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/3",
      "category": "組織再編",
      "region": "米州",
      "importance": 1,
      "event": "Roland VM Corporation（V-MODAの持株会社）設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/5",
      "category": "企業買収|新規事業",
      "region": "米州",
      "importance": 3,
      "event": "アメリカのヘッドホン開発製造会社（V-MODA）を子会社化",
      "detail": "",
      "significance": "オーディオ周辺事業参入",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/4",
      "category": "組織再編",
      "region": "東南アジア",
      "importance": 1,
      "event": "マレーシアにグローバルでの商流管理会社を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/1",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "ボス株式会社を吸収合併",
      "detail": "",
      "significance": "BOSSブランドを本体取り込み",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/7",
      "category": "海外進出",
      "region": "米州",
      "importance": 1,
      "event": "メキシコに販売会社設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/10",
      "category": "組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "イギリスの販売会社と統括管理会社（持株会社）を統合",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/12",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第一部に再上場",
      "detail": "",
      "significance": "MBO後の再上場",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/9",
      "category": "組織再編",
      "region": "米州",
      "importance": 1,
      "event": "アメリカの販売会社を存続会社として、V-MODAとRoland VM Corporationを吸収合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所の市場区分の見直しにより市場第一部からプライム市場へ移行",
      "detail": "",
      "significance": "プライム移行",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/7",
      "category": "海外撤退|組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "フランスの販売会社を解散し、業務をイギリスの統括管理会社に継承",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/7",
      "category": "海外撤退|組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "スイスの販売会社を清算結了し、業務をイギリスの統括管理会社に継承",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/8",
      "category": "組織再編",
      "region": "米州",
      "importance": 1,
      "event": "アメリカの販売会社を存続会社として、RVSとRoland RVS Holding Inc.を吸収合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/9",
      "category": "組織再編",
      "region": "米州",
      "importance": 1,
      "event": "Roland Drum Corporation（DWの持株会社）設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/10",
      "category": "企業買収|新規事業",
      "region": "米州",
      "importance": 3,
      "event": "アメリカのドラム開発・製造・販売会社（DW）を子会社化",
      "detail": "",
      "significance": "アコースティックドラム事業参入",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/5",
      "category": "海外撤退|組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "スペインの販売会社を清算結了し、業務をイギリスの統括管理会社に継承",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/8",
      "category": "海外撤退|組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "イタリアの販売会社を清算結了し、業務をイギリスの統括管理会社に継承",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/7",
      "category": "海外撤退|組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "ハンガリーの販売会社を清算結了し、業務をイギリスの統括管理会社に継承",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/9",
      "category": "海外撤退|組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "デンマークの販売会社を清算結了し、業務をイギリスの統括管理会社に継承",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/9",
      "category": "海外撤退|組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "ドイツの販売会社を清算結了し、業務をイギリスの統括管理会社に継承",
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      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/1",
      "category": "組織再編",
      "region": "米州",
      "importance": 1,
      "event": "アメリカのドラム開発・製造・販売会社（DW）を存続会社として、Roland Drum Corporationを吸収合併",
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      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/11",
      "category": "海外撤退",
      "region": "欧州",
      "importance": 1,
      "event": "ロシアの販売会社を清算結了",
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      "significance": "",
      "source": "有価証券報告書"
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  ]
}