{
  "spec_version": "3",
  "endpoint": "manifest",
  "stock_code": "5231",
  "company_name": "日本セメント",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5231/",
  "api_url": "/api/5231/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/5231/",
  "version": "3",
  "profile": {
    "company_color": "#004098",
    "industry": "metal",
    "industry_detail": "metal_cement",
    "published": "",
    "updated": "2026-08-05",
    "found": {
      "year": 1883,
      "location": "東京府深川清住町（現・東京都江東区清澄）",
      "founder": "浅野総一郎"
    },
    "listing": {
      "listed_year": null,
      "delisted_year": 1998,
      "unlisted": true
    },
    "old_name": "浅野セメント",
    "name_kana": "ニホンセメント",
    "old_name_kana": "アサノセメント"
  },
  "resources": {
    "history": {
      "is_active": true,
      "url": "/api/5231/history.json",
      "format": "json",
      "description": "Chaptered history essay + summary + author's notes + recent developments and outlook + sources and citations",
      "chars_ja": 129341
    },
    "timeline": {
      "is_active": true,
      "url": "/api/5231/timeline.json",
      "format": "json",
      "description": "Chronology + management-decision cards",
      "chars_ja": 10192
    },
    "decisions": {
      "is_active": true,
      "url": "/api/5231/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": 2967,
      "items": [
        {
          "slug": "cement-federation-1924",
          "title": "セメント連合会の創設主導と、生産・販売数量および最低価格の協定",
          "year": 1924,
          "type": "alliance",
          "url": "/api/5231/decisions/cement-federation-1924.json",
          "chars_ja": 8506
        },
        {
          "slug": "asano-family-exit-1947",
          "title": "財閥解体による創業家・浅野一族の役員退任と、浅野セメントから日本セメントへの商号変更",
          "year": 1947,
          "type": "governance",
          "url": "/api/5231/decisions/asano-family-exit-1947.json",
          "chars_ja": 10250
        },
        {
          "slug": "plant-self-reliance-1970",
          "title": "セメント生産の大型工場への集約と、小規模工場を関連製品で自立させる第1次体質強化策",
          "year": 1970,
          "type": "restructuring",
          "url": "/api/5231/decisions/plant-self-reliance-1970.json",
          "chars_ja": 9723
        }
      ],
      "by_type": [
        {
          "key": "alliance",
          "count": 1,
          "url": "/api/5231/decisions/by-type/alliance.json"
        },
        {
          "key": "governance",
          "count": 1,
          "url": "/api/5231/decisions/by-type/governance.json"
        },
        {
          "key": "restructuring",
          "count": 1,
          "url": "/api/5231/decisions/by-type/restructuring.json"
        }
      ],
      "by_decade": [
        {
          "key": "1920s",
          "count": 1,
          "url": "/api/5231/decisions/by-decade/1920s.json"
        },
        {
          "key": "1940s",
          "count": 1,
          "url": "/api/5231/decisions/by-decade/1940s.json"
        },
        {
          "key": "1970s",
          "count": 1,
          "url": "/api/5231/decisions/by-decade/1970s.json"
        }
      ]
    },
    "executives": {
      "is_active": false
    },
    "shareholders": {
      "is_active": false
    },
    "financials": {
      "is_active": false
    },
    "financials-longterm": {
      "is_active": true,
      "url": "/api/5231/financials-longterm.json",
      "format": "json",
      "description": "Long-term performance time series from founding to present (sales, profit, employees)",
      "chars_ja": 5113
    },
    "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/5231/financials_history.csv",
      "format": "csv",
      "description": "Long-term performance as CSV (reference; JSON recommended)",
      "chars_ja": 777
    },
    "segments-csv": {
      "is_active": false
    }
  }
}