{
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  "company_name": "ジャノメ",
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  "updated": "2026-08-23",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/6445/",
  "source": {
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      "有価証券報告書"
    ],
    "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": [
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      "date": "1921/10",
      "importance": 1,
      "event": "小瀬與作らがパイン裁縫機械製作所を創設",
      "source": "有価証券報告書"
    },
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      "date": "1935/11",
      "importance": 1,
      "event": "帝国ミシンに商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/1",
      "importance": 1,
      "event": "蛇の目ミシンに商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1950/6",
      "importance": 1,
      "event": "東京都中央区に蛇の目産業を設立",
      "source": "有価証券報告書"
    },
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      "date": "1954/4",
      "importance": 1,
      "event": "蛇の目ミシン工業に商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1960/9",
      "importance": 3,
      "event": "米国フリーソーイングマシンのミシン部門を買収",
      "source": "有価証券報告書"
    },
    {
      "date": "1960/9",
      "importance": 3,
      "event": "ニューホームミシンの全株式を買収",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/9",
      "importance": 1,
      "event": "東京証券取引所市場第二部に上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1963/11",
      "importance": 1,
      "event": "東京証券取引所市場第一部に上場指定",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/11",
      "importance": 1,
      "event": "東京都八王子市に蛇の目ミシン技術研究所を設置",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/9",
      "importance": 1,
      "event": "東京都中央区京橋に本店を移転",
      "source": "有価証券報告書"
    },
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      "date": "1970/10",
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      "event": "蛇の目電算センターを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/8",
      "importance": 1,
      "event": "高尾新工場が竣工",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/2",
      "importance": 1,
      "event": "小金井工場を高尾工場に集約",
      "source": "有価証券報告書"
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    {
      "date": "2002/4",
      "importance": 2,
      "event": "山梨工場の営業を会社分割によりジャノメダイカストに移管",
      "source": "有価証券報告書"
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      "date": "2006/8",
      "importance": 2,
      "event": "エルナインターナショナルの全株式を買収",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/7",
      "importance": 1,
      "event": "東京都八王子市狭間町に本店を移転",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/10",
      "importance": 3,
      "event": "創業100周年を機にジャノメに商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "importance": 1,
      "event": "東京証券取引所の市場区分の見直しによりプライム市場に移行",
      "source": "有価証券報告書"
    }
  ]
}