{
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  "endpoint": "timeline",
  "stock_code": "2591",
  "company_name": "カルピス",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/2591/",
  "api_url": "/api/2591/timeline.json",
  "updated": "2026-08-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/2591/",
  "source": {
    "primary": [
      "有価証券報告書",
      "味の素プレスリリース"
    ],
    "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": "1917/10",
      "importance": 2,
      "event": "ラクトーを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1919/7",
      "importance": 3,
      "event": "日本で最初の乳酸菌飲料「カルピス」を発売",
      "source": "有価証券報告書"
    },
    {
      "date": "1923/6",
      "importance": 1,
      "event": "商号をカルピス製造に変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1924/7",
      "importance": 1,
      "event": "大阪営業所を開設",
      "source": "有価証券報告書"
    },
    {
      "date": "1948/12",
      "importance": 2,
      "event": "カルピス製造を解散",
      "source": "有価証券報告書"
    },
    {
      "date": "1948/12",
      "importance": 2,
      "event": "カルピス食品工業を発足",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/12",
      "importance": 1,
      "event": "東京証券取引所に株式上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1957/5",
      "importance": 1,
      "event": "研究所を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/10",
      "importance": 1,
      "event": "大阪証券取引所に株式上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/10",
      "importance": 1,
      "event": "相模工場が稼動",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/7",
      "importance": 1,
      "event": "本社社屋を新築移転",
      "source": "有価証券報告書"
    },
    {
      "date": "1968/4",
      "importance": 1,
      "event": "岡山工場が稼動",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/5",
      "importance": 1,
      "event": "群馬工場が稼動",
      "source": "有価証券報告書"
    },
    {
      "date": "1973/4",
      "importance": 2,
      "event": "炭酸飲料「カルピスソーダ」を発売",
      "source": "有価証券報告書"
    },
    {
      "date": "1982/4",
      "importance": 1,
      "event": "カルピスフーズサービスを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/10",
      "importance": 2,
      "event": "味の素とカルピス製品の総発売元契約を締結",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/2",
      "importance": 3,
      "event": "味の素の飲料部門を統合",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/2",
      "importance": 3,
      "event": "乳性飲料「カルピスウォーター」を発売",
      "source": "有価証券報告書"
    },
    {
      "date": "1992/11",
      "importance": 2,
      "event": "カルピス味の素ダノンを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/3",
      "importance": 2,
      "event": "乳酸菌飲料「カルピス酸乳アミール」を発売",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/9",
      "importance": 1,
      "event": "商号をカルピスに変更",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/11",
      "importance": 1,
      "event": "カルピス味の素ダノン館林工場が稼動",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/6",
      "importance": 1,
      "event": "機能性素材「アミールペプチド」の原料・知財事業を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/3",
      "importance": 1,
      "event": "群馬工場に畜産用生菌剤「カルスポリン」製造設備を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/10",
      "importance": 3,
      "event": "味の素の完全子会社となり株式を上場廃止",
      "source": "味の素プレスリリース"
    },
    {
      "date": "2012/10",
      "importance": 3,
      "event": "アサヒグループホールディングスの完全子会社に移行",
      "source": null
    },
    {
      "date": "2016/1",
      "importance": 2,
      "event": "アサヒ飲料に吸収合併され解散",
      "source": null
    }
  ]
}