{
  "stock_code": "3436",
  "company_name": "SUMCO",
  "company_color": "#1c4e9d",
  "industry": "semiconductor",
  "published": "2026-04-06",
  "updated": "2026-05-18",
  "found": {
    "year": 1958,
    "location": "東京都港区",
    "founder": "※住友金属工業+三菱マテリアル"
  },
  "listing": {
    "listed_year": 1997,
    "delisted_year": null,
    "unlisted": false
  },
  "is_publish": true,
  "old_name": "三菱住友シリコン",
  "name_kana": "サムコ",
  "old_name_kana": "ミツビシスミトモシリコン"
}