{
  "spec_version": "3",
  "endpoint": "manifest",
  "stock_code": "ykk",
  "company_name": "YKK",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/ykk/",
  "api_url": "/api/ykk/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/ykk/",
  "version": "3",
  "profile": {
    "company_color": "#0082BE",
    "industry": "metal",
    "industry_detail": "metal_building_materials",
    "published": "",
    "updated": "2026-08-05",
    "found": {
      "year": 1934,
      "location": "東京都中央区日本橋蠣殻町",
      "founder": "吉田忠雄"
    },
    "listing": {
      "listed_year": null,
      "delisted_year": null,
      "unlisted": true
    },
    "old_name": "吉田工業",
    "name_kana": "ワイケーケー",
    "old_name_kana": "ヨシダコウギョウ"
  },
  "resources": {
    "history": {
      "is_active": true,
      "url": "/api/ykk/history.json",
      "format": "json",
      "description": "Chaptered history essay + summary + author's notes + recent developments and outlook + sources and citations",
      "chars_ja": 66977
    },
    "timeline": {
      "is_active": true,
      "url": "/api/ykk/timeline.json",
      "format": "json",
      "description": "Chronology + management-decision cards",
      "chars_ja": 4179
    },
    "decisions": {
      "is_active": true,
      "url": "/api/ykk/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": 2868,
      "items": [
        {
          "slug": "chain-machine-import-1949",
          "title": "資本金の60倍を投じた米国製自動植え付け機の輸入",
          "year": 1949,
          "type": "transformation",
          "url": "/api/ykk/decisions/chain-machine-import-1949.json",
          "chars_ja": 6005
        },
        {
          "slug": "aluminum-sash-entry-1959",
          "title": "余ったアルミ合金を使うためのアルミサッシ参入",
          "year": 1959,
          "type": "new_business",
          "url": "/api/ykk/decisions/aluminum-sash-entry-1959.json",
          "chars_ja": 6501
        },
        {
          "slug": "unlisted-employee-ownership-2003",
          "title": "株式を公開せず、社員が株主であり続ける資本政策",
          "year": 2003,
          "type": "capital",
          "url": "/api/ykk/decisions/unlisted-employee-ownership-2003.json",
          "chars_ja": 6559
        }
      ],
      "by_type": [
        {
          "key": "capital",
          "count": 1,
          "url": "/api/ykk/decisions/by-type/capital.json"
        },
        {
          "key": "new_business",
          "count": 1,
          "url": "/api/ykk/decisions/by-type/new_business.json"
        },
        {
          "key": "transformation",
          "count": 1,
          "url": "/api/ykk/decisions/by-type/transformation.json"
        }
      ],
      "by_decade": [
        {
          "key": "1940s",
          "count": 1,
          "url": "/api/ykk/decisions/by-decade/1940s.json"
        },
        {
          "key": "1950s",
          "count": 1,
          "url": "/api/ykk/decisions/by-decade/1950s.json"
        },
        {
          "key": "2000s",
          "count": 1,
          "url": "/api/ykk/decisions/by-decade/2000s.json"
        }
      ]
    },
    "executives": {
      "is_active": false
    },
    "shareholders": {
      "is_active": true,
      "url": "/api/ykk/shareholders.json",
      "format": "json",
      "description": "Major-shareholder data (by FY × rank, including long-term holders)",
      "chars_ja": 32974
    },
    "financials": {
      "is_active": true,
      "url": "/api/ykk/financials.json",
      "format": "json",
      "description": "Pure PL/BS/CF from FY01 onward",
      "chars_ja": 37000
    },
    "financials-longterm": {
      "is_active": true,
      "url": "/api/ykk/financials-longterm.json",
      "format": "json",
      "description": "Long-term performance time series from founding to present (sales, profit, employees)",
      "chars_ja": 37450
    },
    "segments": {
      "is_active": true,
      "url": "/api/ykk/segments.json",
      "format": "json",
      "description": "Financial data by business segment",
      "chars_ja": 5916
    },
    "regions": {
      "is_active": false
    },
    "workforce": {
      "is_active": true,
      "url": "/api/ykk/workforce.json",
      "format": "json",
      "description": "Workforce data (headcount, annual pay, average age)",
      "chars_ja": 3245
    },
    "financials-csv": {
      "is_active": true,
      "url": "/api/ykk/financials.csv",
      "format": "csv",
      "description": "Annual financial data as CSV (reference; JSON recommended)",
      "chars_ja": 2874
    },
    "financials-history-csv": {
      "is_active": true,
      "url": "/api/ykk/financials_history.csv",
      "format": "csv",
      "description": "Long-term performance as CSV (reference; JSON recommended)",
      "chars_ja": 3261
    },
    "segments-csv": {
      "is_active": true,
      "url": "/api/ykk/segments.csv",
      "format": "csv",
      "description": "Segment data as CSV (reference; JSON recommended)",
      "chars_ja": 1597
    }
  }
}