{
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  "stock_code": "4507",
  "company_name": "塩野義製薬",
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  "updated": "2026-09-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4507/",
  "source": {
    "primary": [
      "有価証券報告書",
      "読売新聞",
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      "IR"
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    "extraction": "有価証券報告書の沿革を基礎に、社史・報道で補完",
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  "timeline": [
    {
      "date": "1878/3",
      "importance": 1,
      "event": "初代塩野義三郎が薬種問屋を創業",
      "source": "有価証券報告書"
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      "date": "1910/2",
      "importance": 2,
      "event": "塩野製薬所を建設",
      "source": "有価証券報告書"
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    {
      "date": "1919/6",
      "importance": 1,
      "event": "塩野義商店に改組",
      "source": "有価証券報告書"
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    {
      "date": "1922/5",
      "importance": 1,
      "event": "杭瀬工場を取得",
      "source": "有価証券報告書"
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    {
      "date": "1943/7",
      "importance": 1,
      "event": "塩野義製薬に商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1945/8",
      "importance": 1,
      "event": "塩野義化学を合併",
      "source": "有価証券報告書"
    },
    {
      "date": "1946/1",
      "importance": 1,
      "event": "油日農場を開設",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/5",
      "importance": 1,
      "event": "東京・大阪両証券取引所に株式上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/3",
      "importance": 3,
      "event": "独創品への転換を宣言",
      "source": "読売新聞",
      "link": "/tse/4507/decisions/original-drug-research-1961/"
    },
    {
      "date": "1962/3",
      "importance": 1,
      "event": "プロパーをディテールマンに名称変更",
      "source": "読売新聞"
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    {
      "date": "1963/12",
      "importance": 1,
      "event": "台湾塩野義製薬を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1968/3",
      "importance": 1,
      "event": "摂津工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1976/8",
      "importance": 1,
      "event": "日亜薬品工業を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1983/3",
      "importance": 1,
      "event": "金ケ崎工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/8",
      "importance": 1,
      "event": "武州製薬を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/4",
      "importance": 1,
      "event": "塩野元三氏が社長に就任",
      "source": null
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    {
      "date": "2001/2",
      "importance": 1,
      "event": "シオノギUSAを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/4",
      "importance": 1,
      "event": "手代木功氏が社長に就任",
      "source": null
    },
    {
      "date": "2008/10",
      "importance": 3,
      "event": "サイエルファーマを買収",
      "source": "有価証券報告書",
      "link": "/tse/4507/decisions/sciele-acquisition-2008/"
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    {
      "date": "2010/3",
      "importance": 1,
      "event": "武州製薬の全株式を譲渡",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/7",
      "importance": 1,
      "event": "医薬研究センターを新設",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/10",
      "importance": 3,
      "event": "ViiV Healthcareとの新たな枠組みで合弁持分を移転し株式10%を取得",
      "source": "適時開示",
      "link": "/tse/4507/decisions/viiv-hiv-royalty-2012/"
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    {
      "date": "2016/1",
      "importance": 1,
      "event": "シオノギヘルスケアを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/10",
      "importance": 2,
      "event": "シオノギファーマを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/7",
      "importance": 1,
      "event": "手代木功が代表取締役会長兼社長CEOに就任",
      "source": "有価証券報告書"
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    {
      "date": "2022/11",
      "importance": 3,
      "event": "新型コロナ治療薬ゾコーバが緊急承認",
      "source": "IR",
      "link": "/tse/4507/decisions/zocova-emergency-approval-2022/"
    },
    {
      "date": "2023/7",
      "importance": 2,
      "event": "Qpex Biopharmaを買収",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/3",
      "importance": 2,
      "event": "平安塩野義を完全子会社化",
      "source": "有価証券報告書"
    }
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}