{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "4506",
  "company_name": "住友ファーマ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4506/",
  "api_url": "/api/4506/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/4506/",
  "count": 4,
  "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": "dainippon-sumitomo-merger-2005",
      "url": "/tse/4506/decisions/dainippon-sumitomo-merger-2005/",
      "api_url": "/api/4506/decisions/dainippon-sumitomo-merger-2005.json",
      "year": 2005,
      "month": null,
      "type": "merger",
      "tags": [
        "ma-merger",
        "cp-crossholding",
        "st-tech"
      ],
      "title": "住友製薬との合併による大日本住友製薬の発足と、住友化学グループ入り",
      "subtitle": "独立中堅として106年を歩んだ会社が、宮武健次郎社長のもとでなぜ親会社を持つ側へ回ったか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "sepracor-acquisition-2009",
      "url": "/tse/4506/decisions/sepracor-acquisition-2009/",
      "api_url": "/api/4506/decisions/sepracor-acquisition-2009.json",
      "year": 2009,
      "month": 9,
      "type": "acquisition",
      "tags": [
        "ma-crossborder-out",
        "gl-entry"
      ],
      "title": "米セプラコールの約26億ドルでの買収による米国販売網の獲得",
      "subtitle": "中堅メーカーが単剤ルラシドンを自ら売り切るため、多田正世社長は約26億ドルをどこへ投じたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "roivant-alliance-2019",
      "url": "/tse/4506/decisions/roivant-alliance-2019/",
      "api_url": "/api/4506/decisions/roivant-alliance-2019.json",
      "year": 2019,
      "month": 9,
      "type": "alliance",
      "tags": [
        "ma-crossborder-out",
        "st-tech",
        "cp-crossholding"
      ],
      "title": "英ロイバントとの戦略的提携によるスミトバント子会社化と、ロイバント株11％の取得",
      "subtitle": "ラツーダの後継を製品で買うか、作る会社ごと囲うか——野村博社長が約30億ドルを投じた先",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "patent-cliff-restructuring-2023",
      "url": "/tse/4506/decisions/patent-cliff-restructuring-2023/",
      "api_url": "/api/4506/decisions/patent-cliff-restructuring-2023.json",
      "year": 2023,
      "month": 4,
      "type": "restructuring",
      "tags": [
        "tr-restructuring",
        "tr-turnaround",
        "gl-retreat",
        "gv-succession"
      ],
      "title": "総額1,809億円の減損計上と、北米人員半減・パイプライン圧縮による構造改革",
      "subtitle": "ラツーダの米国独占販売が終わった年に、住友ファーマは損をどこまで一度に出したか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "acquisition",
      "count": 1,
      "url": "/api/4506/decisions/by-type/acquisition.json"
    },
    {
      "key": "alliance",
      "count": 1,
      "url": "/api/4506/decisions/by-type/alliance.json"
    },
    {
      "key": "merger",
      "count": 1,
      "url": "/api/4506/decisions/by-type/merger.json"
    },
    {
      "key": "restructuring",
      "count": 1,
      "url": "/api/4506/decisions/by-type/restructuring.json"
    }
  ],
  "by_decade": [
    {
      "key": "2000s",
      "count": 2,
      "url": "/api/4506/decisions/by-decade/2000s.json"
    },
    {
      "key": "2010s",
      "count": 1,
      "url": "/api/4506/decisions/by-decade/2010s.json"
    },
    {
      "key": "2020s",
      "count": 1,
      "url": "/api/4506/decisions/by-decade/2020s.json"
    }
  ]
}