{
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  "stock_code": "7545",
  "company_name": "西松屋チェーン",
  "content_lang": "ja",
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  "updated": "2026-08-17",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/7545/",
  "source": {
    "primary": [
      "有価証券報告書",
      "西松屋チェーン公式サイト 沿革"
    ],
    "extraction": "有価証券報告書の沿革を基礎に、社史・報道で補完",
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  "timeline": [
    {
      "date": "1956/10",
      "importance": 3,
      "event": "茂理満氏と茂理佳弘氏が姫路市で「赤ちゃんの西松屋」を創業",
      "source": "有価証券報告書"
    },
    {
      "date": "1959/3",
      "importance": 1,
      "event": "「西松屋ストアー」に商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/10",
      "importance": 2,
      "event": "子供服の販売を事業目的に追加",
      "source": "有価証券報告書"
    },
    {
      "date": "1971/11",
      "importance": 1,
      "event": "大阪市に大阪地区1号店を出店",
      "source": "有価証券報告書"
    },
    {
      "date": "1979/8",
      "importance": 1,
      "event": "「西松屋チエーン」に商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1979/10",
      "importance": 3,
      "event": "兵庫県姫路市に駐車場付郊外型店舗を出店",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/4",
      "importance": 1,
      "event": "神戸市西区に郊外型大型店舗を出店",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/12",
      "importance": 2,
      "event": "販売情報を即時収集するためPOSシステムと汎用コンピュータを導入",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/11",
      "importance": 2,
      "event": "兵庫県神崎郡福崎町に初の郡部立地店を出店",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/4",
      "importance": 1,
      "event": "兵庫県伊丹市に商品管理センターを開設",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/11",
      "importance": 1,
      "event": "岡山県倉敷市に中国地区1号店を出店",
      "source": "有価証券報告書"
    },
    {
      "date": "1994/1",
      "importance": 2,
      "event": "兵庫県姫路市飾東町に本社新社屋兼商品管理センターを建設",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/5",
      "importance": 1,
      "event": "「西松屋チェーン」に商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/5",
      "importance": 2,
      "event": "埼玉県本庄市に関東地区1号店を出店",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/7",
      "importance": 1,
      "event": "日本証券業協会に株式を店頭登録銘柄として登録",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/11",
      "importance": 1,
      "event": "東京証券取引所と大阪証券取引所の市場第二部に株式を上場",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/2",
      "importance": 1,
      "event": "東京証券取引所と大阪証券取引所の市場第一部銘柄に指定",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/4",
      "importance": 3,
      "event": "沖縄県への出店で47都道府県のチェーン店網が完成",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/11",
      "importance": 2,
      "event": "ネット販売専用の配送センター「ネット東日本センター」を開設",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/12",
      "importance": 2,
      "event": "店舗数が1,000店舗に到達",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/11",
      "importance": 3,
      "event": "自社運営の「西松屋公式オンラインストア」を開設",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "importance": 1,
      "event": "東京証券取引所プライム市場へ移行",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/6",
      "importance": 1,
      "event": "台湾に子会社「台灣西松屋股份有限公司」を設立",
      "source": "西松屋チェーン公式サイト 沿革"
    }
  ]
}