{
  "stock_code": "6302",
  "company_name": "住友重機械工業",
  "company_color": "#0162B0",
  "industry": "heavy",
  "published": "2026-04-09",
  "updated": "2026-05-05",
  "found": {
    "year": 1888,
    "location": "愛媛県新居浜",
    "founder": "※住友別子鉱業所"
  },
  "listing": {
    "listed_year": 1949,
    "delisted_year": null,
    "unlisted": false
  },
  "old_name": "住友機械工業"
}