{
  "spec_version": "3",
  "endpoint": "timeline",
  "stock_code": "8271",
  "company_name": "忠実屋",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/8271/",
  "api_url": "/api/8271/timeline.json",
  "updated": "2026-08-17",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8271/",
  "source": {
    "primary": [
      "Wikipedia「忠実屋」",
      "日本産業史4巻「流通－価格破壊で再編淘汰」",
      "会社年鑑（1986年版）"
    ],
    "extraction": "有価証券報告書の沿革を基礎に、社史・報道で補完",
    "row_field": "source"
  },
  "timeline": [
    {
      "date": "1933/10",
      "importance": 2,
      "event": "高木国勝氏が八王子市本町で食料品店を創業",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1937/5",
      "importance": 1,
      "event": "商号に「忠実屋」の使用を開始",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1945/10",
      "importance": 1,
      "event": "戦災を受けて本店を八王子市八幡町へ移転",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1948/8",
      "importance": 1,
      "event": "有限会社忠実屋へ組織変更",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1954/8",
      "importance": 2,
      "event": "株式会社忠実屋へ改組",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1960/9",
      "importance": 3,
      "event": "横山町店をセルフサービス方式のスーパーマーケットへ転換",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1967/3",
      "importance": 1,
      "event": "配送センターを開設",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1967/5",
      "importance": 1,
      "event": "本店を八王子市並木町へ移転",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1969/8",
      "importance": 3,
      "event": "百貨店法の規制を避けるため小売部門を3社へ分離",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1975/2",
      "importance": 2,
      "event": "分離していた小売3社を再統合",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1977/10",
      "importance": 1,
      "event": "東京証券取引所第2部に株式を上場",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1978/11",
      "importance": 2,
      "event": "プライベートブランド「エコノミープライス商品」の発売を開始",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1979/2",
      "importance": 1,
      "event": "本社機能を東京都新宿区歌舞伎町へ移転",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1980/8",
      "importance": 1,
      "event": "東京証券取引所第1部へ指定替え",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1980/9",
      "importance": 1,
      "event": "忠実屋静岡から営業を譲り受け",
      "source": "会社年鑑（1986年版）"
    },
    {
      "date": "1982/3",
      "importance": 2,
      "event": "ミニスーパー「ナイス」のフランチャイズ1号店を開店",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1983/11",
      "importance": 1,
      "event": "スポーツ施設「レガシー21」上尾店を開業",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1985/2",
      "importance": 1,
      "event": "名古屋証券取引所第2部に株式を上場",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1985/9",
      "importance": 1,
      "event": "横浜銀行と銀行POSの実験を実施",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1986/11",
      "importance": 2,
      "event": "マレーシア・クアラルンプールにチュラス店を開店",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1989/7",
      "importance": 3,
      "event": "不動産会社の秀和による株式の大量買い占めが表面化",
      "source": "日本産業史4巻「流通－価格破壊で再編淘汰」"
    },
    {
      "date": "1991/5",
      "importance": 2,
      "event": "谷島茂之氏が社長に就任し高木吉友氏は会長へ",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1991/6",
      "importance": 1,
      "event": "第2次創業者の高木吉友氏が死去",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1991/12",
      "importance": 2,
      "event": "ダイエーとの業務提携で基本合意",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1992/2",
      "importance": 3,
      "event": "ダイエーとマルエツによる株式公開買付けが成立",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1992/3",
      "importance": 2,
      "event": "秀和保有株の取得によりダイエーの系列下へ",
      "source": "日本産業史4巻「流通－価格破壊で再編淘汰」"
    },
    {
      "date": "1994/2",
      "importance": 1,
      "event": "東京証券取引所第1部の上場を廃止",
      "source": "Wikipedia「忠実屋」"
    },
    {
      "date": "1994/3",
      "importance": 3,
      "event": "ダイエーに吸収合併され解散",
      "source": "日本産業史4巻「流通－価格破壊で再編淘汰」"
    }
  ]
}