{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "4182",
  "company_name": "三菱瓦斯化学",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4182/",
  "api_url": "/api/4182/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/4182/",
  "count": 2,
  "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": "merger-founding-1971",
      "url": "/tse/4182/decisions/merger-founding-1971/",
      "api_url": "/api/4182/decisions/merger-founding-1971.json",
      "year": 1971,
      "month": 10,
      "type": "merger",
      "tags": [
        "ma-merger",
        "pf-diversify-related"
      ],
      "title": "三菱江戸川化学と日本瓦斯化学工業の合併による三菱瓦斯化学の発足",
      "subtitle": "天然ガス化学と石油化学、原料の異なる三菱系二社をなぜ一社に束ねたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "functional-materials-shift-1985",
      "url": "/tse/4182/decisions/functional-materials-shift-1985/",
      "api_url": "/api/4182/decisions/functional-materials-shift-1985.json",
      "year": 1985,
      "month": null,
      "type": "transformation",
      "tags": [
        "bm-core-shift",
        "st-premium",
        "st-tech"
      ],
      "title": "汎用化学品から機能化学品・電子材料への主力事業の転換",
      "subtitle": "汎用品の原料優位が崩れるなか、育ちかけの電子材料へどう主力を移したか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "merger",
      "count": 1,
      "url": "/api/4182/decisions/by-type/merger.json"
    },
    {
      "key": "transformation",
      "count": 1,
      "url": "/api/4182/decisions/by-type/transformation.json"
    }
  ],
  "by_decade": [
    {
      "key": "1970s",
      "count": 1,
      "url": "/api/4182/decisions/by-decade/1970s.json"
    },
    {
      "key": "1980s",
      "count": 1,
      "url": "/api/4182/decisions/by-decade/1980s.json"
    }
  ]
}