{
  "spec_version": "3",
  "endpoint": "manifest",
  "stock_code": "5238",
  "company_name": "三菱鉱業セメント",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5238/",
  "api_url": "/api/5238/manifest.json",
  "updated": "2026-08-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/5238/",
  "version": "3",
  "profile": {
    "company_color": "#EF0041",
    "industry": "metal",
    "industry_detail": "metal_cement",
    "published": "",
    "updated": "2026-08-05",
    "found": {
      "year": 1918,
      "location": "東京市麹町区八重洲町（現・東京都千代田区丸の内）",
      "founder": "※三菱財閥"
    },
    "listing": {
      "listed_year": 1921,
      "delisted_year": 1990,
      "unlisted": true
    },
    "old_name": "三菱鉱業",
    "name_kana": "ミツビシコウギョウセメント",
    "old_name_kana": "ミツビシコウギョウ"
  },
  "resources": {
    "history": {
      "is_active": true,
      "url": "/api/5238/history.json",
      "format": "json",
      "description": "Chaptered history essay + summary + author's notes + recent developments and outlook + sources and citations",
      "chars_ja": 88645
    },
    "timeline": {
      "is_active": true,
      "url": "/api/5238/timeline.json",
      "format": "json",
      "description": "Chronology + management-decision cards",
      "chars_ja": 9703
    },
    "decisions": {
      "is_active": true,
      "url": "/api/5238/decisions.json",
      "format": "json",
      "description": "Index of this company's management decisions — one decision = one endpoint. Holds no body text; follow each api_url for the full dossier.",
      "chars_ja": 2993,
      "items": [
        {
          "slug": "cement-entry-separate-company-1953",
          "title": "石炭に代わる事業としてのセメント選定と、三菱系各社共同出資による三菱セメントの設立",
          "year": 1953,
          "type": "new_business",
          "url": "/api/5238/decisions/cement-entry-separate-company-1953.json",
          "chars_ja": 9216
        },
        {
          "slug": "coal-division-spinoff-1969",
          "title": "石炭生産部門の分離と、三菱高島炭砿・三菱大夕張炭砿の設立",
          "year": 1969,
          "type": "restructuring",
          "url": "/api/5238/decisions/coal-division-spinoff-1969.json",
          "chars_ja": 9583
        },
        {
          "slug": "three-way-merger-1973",
          "title": "三菱セメント・豊国セメントとの3社合併と、三菱鉱業セメントへの商号変更",
          "year": 1973,
          "type": "merger",
          "url": "/api/5238/decisions/three-way-merger-1973.json",
          "chars_ja": 9662
        }
      ],
      "by_type": [
        {
          "key": "merger",
          "count": 1,
          "url": "/api/5238/decisions/by-type/merger.json"
        },
        {
          "key": "new_business",
          "count": 1,
          "url": "/api/5238/decisions/by-type/new_business.json"
        },
        {
          "key": "restructuring",
          "count": 1,
          "url": "/api/5238/decisions/by-type/restructuring.json"
        }
      ],
      "by_decade": [
        {
          "key": "1950s",
          "count": 1,
          "url": "/api/5238/decisions/by-decade/1950s.json"
        },
        {
          "key": "1960s",
          "count": 1,
          "url": "/api/5238/decisions/by-decade/1960s.json"
        },
        {
          "key": "1970s",
          "count": 1,
          "url": "/api/5238/decisions/by-decade/1970s.json"
        }
      ]
    },
    "executives": {
      "is_active": false
    },
    "shareholders": {
      "is_active": false
    },
    "financials": {
      "is_active": false
    },
    "financials-longterm": {
      "is_active": true,
      "url": "/api/5238/financials-longterm.json",
      "format": "json",
      "description": "Long-term performance time series from founding to present (sales, profit, employees)",
      "chars_ja": 5620
    },
    "segments": {
      "is_active": false
    },
    "regions": {
      "is_active": false
    },
    "workforce": {
      "is_active": false
    },
    "financials-csv": {
      "is_active": false
    },
    "financials-history-csv": {
      "is_active": true,
      "url": "/api/5238/financials_history.csv",
      "format": "csv",
      "description": "Long-term performance as CSV (reference; JSON recommended)",
      "chars_ja": 864
    },
    "segments-csv": {
      "is_active": false
    }
  }
}