{
  "timeline": [
    {
      "date": "1942/12",
      "category": "会社設立",
      "region": "",
      "importance": 5,
      "event": "個人経営三陽商会を開業",
      "detail": "創業者吉原信之が東京府板橋区で工業用品・繊維製品の製造販売を開始",
      "significance": "三陽商会の起源、戦中の創業",
      "source": "有価証券報告書"
    },
    {
      "date": "1943/5",
      "category": "会社設立",
      "region": "",
      "importance": 4,
      "event": "株式会社三陽商会を設立",
      "detail": "資本金5万円、工作機械工具の修理加工販売を開始",
      "significance": "株式会社化、後のアパレル企業の法人格起源",
      "source": "有価証券報告書",
      "amount": "資本金5万円"
    },
    {
      "date": "1944/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "社名を三陽商会製作所と改称",
      "detail": "豊島工場と銀座営業所を設置",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1945/10",
      "category": "業態転換",
      "region": "",
      "importance": 5,
      "event": "本店を中央区に移転、レインコート販売へ業態転換",
      "detail": "工作機械工具からレインコート販売へ主要業務を変更",
      "significance": "後の総合アパレルメーカーへの転換の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1948/7",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "社名を株式会社三陽商会に再改称",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/9",
      "category": "業務提携|チャネル改革",
      "region": "",
      "importance": 4,
      "event": "日本ゴム工業のレインコート一手発売元として特約",
      "detail": "現オカモトと特約締結、百貨店への積極販売を開始",
      "significance": "百貨店流通を主軸とするアパレル販社モデルの確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1952/7",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "東京営業所を設置し営業主体を移転",
      "detail": "銀座サービスステイションも設置",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本店を東京都千代田区に移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/5",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "本社ビルを千代田区に新築",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/2",
      "category": "業態転換",
      "region": "",
      "importance": 4,
      "event": "新宿区に本社ビル完成、総合アパレルメーカーへ進出開始",
      "detail": "本店移転と同時期に総合アパレル化",
      "significance": "レインコート専業から総合アパレルメーカーへの転換点",
      "source": "有価証券報告書"
    },
    {
      "date": "1971/7",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第二部に株式上場",
      "detail": "",
      "significance": "公開企業としての資本基盤確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1977/6",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東証一部に指定替え",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1981/2",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "ニューヨークに現地法人を設立",
      "detail": "1999年10月閉鎖",
      "significance": "北米展開の起点、後に撤退",
      "source": "有価証券報告書"
    },
    {
      "date": "1981/5",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "東京都江東区に潮見商品センターを新築",
      "detail": "2013年12月売却",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/6",
      "category": "海外進出|設備投資",
      "region": "米州",
      "importance": 1,
      "event": "ニューヨークに現地縫製工場を設立",
      "detail": "1999年11月閉鎖",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/3",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "東京都港区に青山ビルを新築",
      "detail": "2018年4月売却",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "自社健康保険組合を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/6",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "東京都江東区に潮見ビルを新築",
      "detail": "2013年12月売却",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/7",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "創立50周年記念行事を開催",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1996/4",
      "category": "海外進出",
      "region": "欧州",
      "importance": 2,
      "event": "ミラノに現地法人サンヨーショウカイミラノを設立",
      "detail": "2013年7月閉鎖、欧州ファッション拠点",
      "significance": "欧州ファッション情報拠点としての設立、後に撤退",
      "source": "有価証券報告書"
    },
    {
      "date": "1996/5",
      "category": "海外進出",
      "region": "中国",
      "importance": 1,
      "event": "香港に現地法人を設立",
      "detail": "2001年12月閉鎖",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/2",
      "category": "海外進出",
      "region": "中国",
      "importance": 1,
      "event": "台湾に現地法人國際三陽を設立",
      "detail": "2001年12月閉鎖",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/10",
      "category": "海外進出",
      "region": "米州",
      "importance": 1,
      "event": "ニューヨークに現地法人サンヨーショウカイニューヨークを設立",
      "detail": "2022年8月閉鎖",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/12",
      "category": "新規事業|チャネル改革",
      "region": "",
      "importance": 2,
      "event": "バーバリー銀座店を開店",
      "detail": "後のSANYO GINZA TOWER、2020年9月売却",
      "significance": "旗艦店戦略によるブランド強化、後のバーバリー喪失への伏線",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/5",
      "category": "海外進出",
      "region": "中国",
      "importance": 2,
      "event": "中国・上海に三陽時装商貿を設立",
      "detail": "中国市場開拓",
      "significance": "中国市場展開の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/5",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本店を東京都港区へ移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/9",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本店を東京都新宿区へ移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/4",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "ルビー・グループの株式を取得",
      "detail": "2021年3月売却",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/7",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "本社別館を増築しブルークロスビルに改名",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/3",
      "category": "新規事業|業務提携",
      "region": "",
      "importance": 3,
      "event": "ポール・スチュアートの国内商標権を取得",
      "detail": "主力ブランド権の獲得",
      "significance": "バーバリー喪失後のブランド戦略の中核施策",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/9",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "連結子会社サンヨーアパレルを吸収合併",
      "detail": "グループ内製造機能の本体取込",
      "significance": "組織のスリム化と意思決定迅速化",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "東証プライム市場へ移行",
      "detail": "市場区分見直し",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/5",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "創立80周年を迎える",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    }
  ]
}