{
  "spec_version": "4",
  "endpoint": "history",
  "stock_code": "8282",
  "company_name": "ケーズホールディングス",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/8282/decisions/",
  "api_url": "/api/8282/history.json",
  "updated": "2026-09-26",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8282/decisions/",
  "source": {
    "long_term": {
      "primary": [
        "有価証券報告書"
      ],
      "extraction": "EDINET の XBRL、kabupro 掲載の旧有価証券報告書、会社年鑑・社史等からの転記",
      "row_field": "reference",
      "caveat": "創業期から現在までを 1 本に繋いだ長期系列のため、年代により出所・単位・連結範囲が変わる。行ごとの reference / unit / consolidation を必ず参照すること"
    }
  },
  "title": "ケーズホールディングスの歴史概略",
  "eras": [
    {
      "title": "加藤馨が水戸の借家で始めたラジオ販売修理から加藤電機商会・カトーデンキへ",
      "start_year": 1947,
      "end_year": 1978
    },
    {
      "title": "定番制度の導入と販売会社の分離、POSと店頭登録、よつば電機の取得",
      "start_year": 1979,
      "end_year": 1996
    },
    {
      "title": "ケーズデンキへの改称と東証上場、ギガス・ビッグ・エス・デンコードーとの株式交換",
      "start_year": 1997,
      "end_year": 2007
    },
    {
      "title": "テクニカルアーツ・サワハタキャリーサービスの取得と水戸の本社ビル",
      "start_year": 2008,
      "end_year": 2026
    }
  ],
  "summary": {
    "description": "ケーズホールディングス（旧カトーデンキ販売）の歴史。1947年、加藤馨氏が水戸の借家でラジオの販売修理を開始。定番制度、ギガスとの株式交換、デンコードー子会社化までの沿革と経緯を執筆。"
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      "company_name": "ケーズホールディングス",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "売上高",
      "sales": 7597,
      "operating_profit_jp": "営業利益",
      "operating_profit": null,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 306,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 143,
      "net_margin": 1.882,
      "employees": 7307,
      "reference": null
    }
  ]
}
