{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "8031",
  "company_name": "三井物産",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/8031/",
  "api_url": "/api/8031/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/8031/",
  "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": "founding-1876",
      "url": "/tse/8031/decisions/founding-1876/",
      "api_url": "/api/8031/decisions/founding-1876.json",
      "year": 1876,
      "month": 7,
      "type": "founding",
      "title": "三井物産創業——益田孝氏が無資本で興した商社と、解体・再結集の二層構造",
      "subtitle": "大蔵省を辞した28歳・益田孝氏は、資本金を持たない別法人でどう総合商社の業態を築いたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "daigodo-1959",
      "url": "/tse/8031/decisions/daigodo-1959/",
      "api_url": "/api/8031/decisions/daigodo-1959.json",
      "year": 1959,
      "month": null,
      "type": "merger",
      "tags": [
        "財閥解体",
        "商号"
      ],
      "title": "室町物産との商号争いと、四年七カ月遅れた一九五九年の大合同",
      "subtitle": "解散させられた三井物産の商号を、なぜ第一物産は自ら名乗らず、鉄鋼専門商社との争いを経て取り戻したのか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "ijpc-iran-petrochemical-1976",
      "url": "/tse/8031/decisions/ijpc-iran-petrochemical-1976/",
      "api_url": "/api/8031/decisions/ijpc-iran-petrochemical-1976.json",
      "year": 1976,
      "month": null,
      "type": "new_business",
      "tags": [
        "st-capex",
        "tr-crisis"
      ],
      "title": "イラン石油化学（IJPC）への参画と、撤退できなかった巨大プロジェクト",
      "subtitle": "石油部門で三菱商事に後れを取った三井物産は、なぜ採算が崩れ撤退論が出てもイランの石化事業から引けなかったのか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "compliance-2002",
      "url": "/tse/8031/decisions/compliance-2002/",
      "api_url": "/api/8031/decisions/compliance-2002.json",
      "year": 2002,
      "month": 7,
      "type": "governance",
      "tags": [
        "不祥事",
        "内部統制"
      ],
      "title": "国後島の不正入札と排ガスデータ捏造を受けた、内部統制の作り直し",
      "subtitle": "総額四〇億円の案件で社員三人が逮捕された三井物産は、なぜ二年後にも子会社ぐるみの捏造を出したのか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "founding",
      "count": 1,
      "url": "/api/8031/decisions/by-type/founding.json"
    },
    {
      "key": "governance",
      "count": 1,
      "url": "/api/8031/decisions/by-type/governance.json"
    },
    {
      "key": "merger",
      "count": 1,
      "url": "/api/8031/decisions/by-type/merger.json"
    },
    {
      "key": "new_business",
      "count": 1,
      "url": "/api/8031/decisions/by-type/new_business.json"
    }
  ],
  "by_decade": [
    {
      "key": "1870s",
      "count": 1,
      "url": "/api/8031/decisions/by-decade/1870s.json"
    },
    {
      "key": "1950s",
      "count": 1,
      "url": "/api/8031/decisions/by-decade/1950s.json"
    },
    {
      "key": "1970s",
      "count": 1,
      "url": "/api/8031/decisions/by-decade/1970s.json"
    },
    {
      "key": "2000s",
      "count": 1,
      "url": "/api/8031/decisions/by-decade/2000s.json"
    }
  ]
}