{
  "stock_code": "6501",
  "company_name": "日立製作所",
  "company_color": "#C60202",
  "industry": "electronics",
  "published": "2026-02-21",
  "updated": "2026-04-25",
  "found": {
    "year": 1910,
    "location": "茨城県多賀郡",
    "founder": "小平浪平"
  },
  "listing": {
    "listed_year": 1949,
    "delisted_year": null,
    "unlisted": false
  }
}