{
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  "endpoint": "timeline",
  "stock_code": "2267",
  "company_name": "ヤクルト本社",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/2267/",
  "api_url": "/api/2267/timeline.json",
  "updated": "2026-09-04",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/2267/",
  "source": {
    "primary": [
      "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"
  },
  "timeline": [
    {
      "date": "1955/4",
      "importance": 1,
      "event": "ヤクルト本社を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1955/4",
      "importance": 1,
      "event": "研究所（後に中央研究所京都分室と名称を変更）を設置",
      "source": "有価証券報告書"
    },
    {
      "date": "1956/4",
      "importance": 1,
      "event": "本社移転",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/3",
      "importance": 2,
      "event": "初の海外拠点として台湾ヤクルトを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1967/3",
      "importance": 1,
      "event": "国立研究所（後に中央研究所と名称を変更）を設置",
      "source": "有価証券報告書"
    },
    {
      "date": "1968",
      "importance": 3,
      "event": "プラスチック容器を導入し「大政奉還」で本社集権体制を確立",
      "source": null,
      "link": "/tse/2267/decisions/plastic-container-revolution-1968/"
    },
    {
      "date": "1969/1",
      "importance": 1,
      "event": "サンケイアトムズの株式を取得",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/1",
      "importance": 1,
      "event": "プロ野球興行事業に参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1970/2",
      "importance": 1,
      "event": "初の製造部門として藤沢工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1971/2",
      "importance": 1,
      "event": "化粧品の本格販売を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/2",
      "importance": 1,
      "event": "ヤクルト本社と合併",
      "source": "有価証券報告書"
    },
    {
      "date": "1975/1",
      "importance": 1,
      "event": "医薬品の本格販売を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1978/8",
      "importance": 1,
      "event": "シンガポールヤクルトを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1980/1",
      "importance": 1,
      "event": "東京証券取引所市場第二部へ株式上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1984",
      "importance": 3,
      "event": "三菱商事との合弁でカタログ通販のリプソンを設立（1988年清算）",
      "source": null,
      "link": "/tse/2267/decisions/lipson-mail-order-1984/"
    },
    {
      "date": "1984/12",
      "importance": 1,
      "event": "医薬品の開発・製造を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/2",
      "importance": 1,
      "event": "東日本における製造・物流の拠点として、富士裾野工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1987/7",
      "importance": 1,
      "event": "富士裾野医薬品工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/2",
      "importance": 1,
      "event": "インドネシアヤクルトを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1992/6",
      "importance": 1,
      "event": "オーストラリアヤクルトを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1996/3",
      "importance": 1,
      "event": "ヤクルト販売を統括するヨーロッパヤクルトを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/3",
      "importance": 3,
      "event": "グループダノンと戦略提携契約を締結",
      "source": "有価証券報告書",
      "link": "/tse/2267/decisions/danone-alliance-2004/"
    },
    {
      "date": "2005/4",
      "importance": 1,
      "event": "1単元の株式の数を1,000株から100株に変更",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/4",
      "importance": 1,
      "event": "ベルギーに研究拠点を設置",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/4",
      "importance": 2,
      "event": "ヤクルト事業を統括する中国ヤクルトを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/10",
      "importance": 1,
      "event": "グループダノンとの合弁でインドヤクルト・ダノンを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/4",
      "importance": 1,
      "event": "組織の統合・再編により5支店体制へ移行",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/4",
      "importance": 1,
      "event": "西日本における生産拠点として、兵庫三木工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/4",
      "importance": 1,
      "event": "ダノンとの戦略提携契約を終了",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/6",
      "importance": 1,
      "event": "本社乳製品工場の組織再編により5工場体制へ移行",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/4",
      "importance": 1,
      "event": "7棟からなる新中央研究所が竣工",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/4",
      "importance": 1,
      "event": "本社移転",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "importance": 1,
      "event": "プライム市場に移行",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/10",
      "importance": 1,
      "event": "普通株式1株につき2株の割合で株式分割を実施",
      "source": "有価証券報告書"
    }
  ]
}