{
  "stock_code": "6269",
  "company_name": "三井海洋開発",
  "company_color": "#FC1921",
  "industry": "machinery",
  "published": "2026-05-11",
  "updated": "2026-05-11",
  "found": {
    "year": 1987,
    "location": "東京都中央区",
    "founder": "※三井造船+三井物産"
  },
  "listing": {
    "listed_year": 2003,
    "delisted_year": null,
    "unlisted": false
  },
  "is_publish": false,
  "old_name": "旧三井海洋開発"
}