{
  "stock_code": "7272",
  "company_name": "ヤマハ発動機",
  "company_color": "#FF0000",
  "industry": "automotive",
  "published": "2026-02-21",
  "updated": "2026-05-05",
  "found": {
    "year": 1955,
    "location": "静岡県浜名郡浜北町",
    "founder": "川上源一"
  },
  "listing": {
    "listed_year": 1961,
    "delisted_year": null,
    "unlisted": false
  }
}