{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "5019",
  "company_name": "出光興産",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5019/",
  "api_url": "/api/5019/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/5019/",
  "count": 6,
  "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": "idemitsu-founding-1911",
      "url": "/tse/5019/decisions/idemitsu-founding-1911/",
      "api_url": "/api/5019/decisions/idemitsu-founding-1911.json",
      "year": 1911,
      "month": 6,
      "type": "founding",
      "tags": [
        "bm-channel",
        "cp-finance"
      ],
      "title": "出光佐三氏が門司で出光商会を興し、機械油の行商から海と大陸の販路を開いた創業",
      "subtitle": "学校の恥と呼ばれた丁稚奉公を経て、返さなくてよい8,000円で何を始めようとしたのか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "independent-management-1953",
      "url": "/tse/5019/decisions/independent-management-1953/",
      "api_url": "/api/5019/decisions/independent-management-1953.json",
      "year": 1953,
      "month": 5,
      "type": "strategy",
      "tags": [
        "pf-vertical"
      ],
      "title": "国際石油カルテルに抗した民族系独立路線の確立",
      "subtitle": "外資メジャーの供給支配と国内の生産調整に、出光佐三氏はなぜ与しない道を選んだか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "external-capital-2000",
      "url": "/tse/5019/decisions/external-capital-2000/",
      "api_url": "/api/5019/decisions/external-capital-2000.json",
      "year": 2000,
      "month": 5,
      "type": "capital",
      "tags": [
        "cp-equity",
        "gv-family"
      ],
      "title": "三十七年ぶりの外部資本導入と、会長の一声で白紙に戻った上場",
      "subtitle": "「資本はゼロをもって理想とする」を掲げた会社が、投機的格付けを機に銀行へ優先株を渡すまで",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "stock-listing-2006",
      "url": "/tse/5019/decisions/stock-listing-2006/",
      "api_url": "/api/5019/decisions/stock-listing-2006.json",
      "year": 2006,
      "month": null,
      "type": "capital",
      "tags": [
        "cp-ipo",
        "gv-family"
      ],
      "title": "個人商店を理想とした会社が東証一部へ上場する",
      "subtitle": "議決権のある資本金十億円・創業家が過半という構成を、二段階の増資でほどいた五年",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "showa-shell-merger-2017",
      "url": "/tse/5019/decisions/showa-shell-merger-2017/",
      "api_url": "/api/5019/decisions/showa-shell-merger-2017.json",
      "year": 2017,
      "month": 7,
      "type": "capital",
      "tags": [
        "cp-activist",
        "gv-family",
        "ma-merger"
      ],
      "title": "昭和シェル合併に反対する創業家へ対抗した3割の公募増資",
      "subtitle": "拒否権を握る創業家をどう封じるか——支配権争いのさなかに増資へ踏み切った出光経営陣の荒技",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "idemitsu-showa-shell-2019",
      "url": "/tse/5019/decisions/idemitsu-showa-shell-2019/",
      "api_url": "/api/5019/decisions/idemitsu-showa-shell-2019.json",
      "year": 2019,
      "month": null,
      "type": "integration",
      "tags": [
        "ma-merger",
        "gv-family"
      ],
      "title": "出光興産と昭和シェル石油の経営統合（2019年成立）",
      "subtitle": "なぜ創業家の約2年にわたる反対を経て、石油元売りの統合は成立に至ったのか？",
      "status": "completed",
      "status_label": "難航成立"
    }
  ],
  "by_type": [
    {
      "key": "capital",
      "count": 3,
      "url": "/api/5019/decisions/by-type/capital.json"
    },
    {
      "key": "founding",
      "count": 1,
      "url": "/api/5019/decisions/by-type/founding.json"
    },
    {
      "key": "integration",
      "count": 1,
      "url": "/api/5019/decisions/by-type/integration.json"
    },
    {
      "key": "strategy",
      "count": 1,
      "url": "/api/5019/decisions/by-type/strategy.json"
    }
  ],
  "by_decade": [
    {
      "key": "1910s",
      "count": 1,
      "url": "/api/5019/decisions/by-decade/1910s.json"
    },
    {
      "key": "1950s",
      "count": 1,
      "url": "/api/5019/decisions/by-decade/1950s.json"
    },
    {
      "key": "2000s",
      "count": 2,
      "url": "/api/5019/decisions/by-decade/2000s.json"
    },
    {
      "key": "2010s",
      "count": 2,
      "url": "/api/5019/decisions/by-decade/2010s.json"
    }
  ]
}