{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "4502",
  "company_name": "武田薬品工業",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4502/",
  "api_url": "/api/4502/decisions.json",
  "updated": "2026-08-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4502/",
  "count": 7,
  "description": "Index of this company's management decisions. One decision = one endpoint: follow api_url for the full dossier (background, the decision itself, outcome, quoted primary sources and references).",
  "decisions": [
    {
      "slug": "founding-1781",
      "url": "/tse/4502/decisions/founding-1781/",
      "api_url": "/api/4502/decisions/founding-1781.json",
      "year": 1781,
      "month": 6,
      "type": "founding",
      "title": "武田薬品工業創業——道修町の薬種仲買から自社製造の製薬企業へ",
      "subtitle": "幕府公認の薬種株仲間が集散を握る道修町で、初代武田長兵衛氏が起こした無製造の和漢薬仲買は、どのように自社製造の製薬企業へ姿を変えたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "focus-on-pharma-2003",
      "url": "/tse/4502/decisions/focus-on-pharma-2003/",
      "api_url": "/api/4502/decisions/focus-on-pharma-2003.json",
      "year": 2003,
      "month": null,
      "type": "divestiture",
      "tags": [
        "pf-exit",
        "pf-focus"
      ],
      "title": "非医薬事業を切り、医療用医薬品に絞った武田國男氏の選択と集中",
      "subtitle": "総合化学会社だった武田薬品は、なぜ食品も農薬も手放し「薬だけの会社」へ戻ったのか——十年をかけて固まった医薬専業化",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "millennium-us-2008",
      "url": "/tse/4502/decisions/millennium-us-2008/",
      "api_url": "/api/4502/decisions/millennium-us-2008.json",
      "year": 2008,
      "month": 4,
      "type": "overseas",
      "tags": [
        "ma-crossborder-out",
        "gl-entry"
      ],
      "title": "北米処方薬事業の本格化——TAP合弁の解消とミレニアム買収",
      "subtitle": "半身の合弁から、なぜ2008年に米国の処方薬事業を自前で握りにいったのか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "nycomed-2011",
      "url": "/tse/4502/decisions/nycomed-2011/",
      "api_url": "/api/4502/decisions/nycomed-2011.json",
      "year": 2011,
      "month": 5,
      "type": "acquisition",
      "tags": [
        "ma-crossborder-out",
        "gl-expansion"
      ],
      "title": "ナイコメッドの約1.1兆円買収による欧州・新興国販売網の一括取得",
      "subtitle": "特許切れを控えた武田薬品工業は、なぜ自前で広げず1兆円超で販売網を買ったのか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "weber-ceo-2014",
      "url": "/tse/4502/decisions/weber-ceo-2014/",
      "api_url": "/api/4502/decisions/weber-ceo-2014.json",
      "year": 2014,
      "month": 6,
      "type": "succession",
      "tags": [
        "gv-succession",
        "gv-talent",
        "gl-expansion"
      ],
      "title": "外国人CEOクリストフ・ウェバー氏の招聘とグローバル経営体制への転換",
      "subtitle": "創業家と生え抜きが200年余り率いてきた製薬最大手は、なぜ経営そのものを外国人に委ねたのか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "shire-acquisition-2019",
      "url": "/tse/4502/decisions/shire-acquisition-2019/",
      "api_url": "/api/4502/decisions/shire-acquisition-2019.json",
      "year": 2019,
      "month": 1,
      "type": "acquisition",
      "tags": [
        "ma-crossborder-out"
      ],
      "title": "自前創薬の限界を越えるための約6兆8000億円のシャイアー買収",
      "subtitle": "国内首位に立ちながら次の新薬に行き詰まった武田薬品工業は、なぜ日本企業最大級の借金を負ってまで海外企業を丸ごと買ったのか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "otc-divestiture-2020",
      "url": "/tse/4502/decisions/otc-divestiture-2020/",
      "api_url": "/api/4502/decisions/otc-divestiture-2020.json",
      "year": 2020,
      "month": 8,
      "type": "divestiture",
      "tags": [
        "pf-exit",
        "cp-finance"
      ],
      "title": "大衆薬事業のブラックストーンへの売却",
      "subtitle": "Shire買収で膨らんだ負債を前に、武田薬品工業はなぜ看板の大衆薬アリナミンまで手放したのか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "acquisition",
      "count": 2,
      "url": "/api/4502/decisions/by-type/acquisition.json"
    },
    {
      "key": "divestiture",
      "count": 2,
      "url": "/api/4502/decisions/by-type/divestiture.json"
    },
    {
      "key": "founding",
      "count": 1,
      "url": "/api/4502/decisions/by-type/founding.json"
    },
    {
      "key": "overseas",
      "count": 1,
      "url": "/api/4502/decisions/by-type/overseas.json"
    },
    {
      "key": "succession",
      "count": 1,
      "url": "/api/4502/decisions/by-type/succession.json"
    }
  ],
  "by_decade": [
    {
      "key": "1780s",
      "count": 1,
      "url": "/api/4502/decisions/by-decade/1780s.json"
    },
    {
      "key": "2000s",
      "count": 2,
      "url": "/api/4502/decisions/by-decade/2000s.json"
    },
    {
      "key": "2010s",
      "count": 3,
      "url": "/api/4502/decisions/by-decade/2010s.json"
    },
    {
      "key": "2020s",
      "count": 1,
      "url": "/api/4502/decisions/by-decade/2020s.json"
    }
  ]
}