{
  "stock_code": "7944",
  "company_name": "ローランド",
  "company_color": "#FF5A00",
  "industry": "other",
  "published": "2026-05-11",
  "updated": "2026-05-11",
  "found": {
    "year": 1972,
    "location": "大阪府大阪市住吉区",
    "founder": "梯郁太郎"
  },
  "listing": {
    "listed_year": 1989,
    "delisted_year": null,
    "unlisted": false
  }
}