{
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  "endpoint": "timeline",
  "stock_code": "4958",
  "company_name": "長谷川香料",
  "content_lang": "ja",
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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/4958/",
  "source": {
    "primary": [
      "有価証券報告書",
      "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": "1903/5",
      "importance": 2,
      "event": "長谷川藤太郎商店を創業",
      "source": "有価証券報告書"
    },
    {
      "date": "1923",
      "importance": 3,
      "event": "エッセンスの製造を開始",
      "source": "公式サイト沿革"
    },
    {
      "date": "1945",
      "importance": 2,
      "event": "東京大空襲により店舗焼失",
      "source": "公式サイト沿革"
    },
    {
      "date": "1947",
      "importance": 3,
      "event": "合成香料の製造を開始",
      "source": "公式サイト沿革"
    },
    {
      "date": "1948",
      "importance": 1,
      "event": "川崎工場を新設",
      "source": "公式サイト沿革"
    },
    {
      "date": "1948",
      "importance": 2,
      "event": "食品香料事業に参入",
      "source": "公式サイト沿革"
    },
    {
      "date": "1948/12",
      "importance": 2,
      "event": "個人経営から株式会社に改組",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/12",
      "importance": 2,
      "event": "長谷川香料を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/11",
      "importance": 2,
      "event": "深谷工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/10",
      "importance": 1,
      "event": "川崎研究所を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1977/8",
      "importance": 2,
      "event": "全製造部門を深谷事業所に集結",
      "source": "有価証券報告書"
    },
    {
      "date": "1978/12",
      "importance": 2,
      "event": "T. HASEGAWA U.S.A., INC.を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1984/1",
      "importance": 1,
      "event": "板倉工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/6",
      "importance": 1,
      "event": "日本証券業協会に株式を店頭登録",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/3",
      "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": "2001/3",
      "importance": 1,
      "event": "東京証券取引所市場第一部に上場",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/3",
      "importance": 1,
      "event": "長谷川ファインフーズの工場が本稼働",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/10",
      "importance": 2,
      "event": "長谷川香料（上海）有限公司の工場が本稼働",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/10",
      "importance": 2,
      "event": "総合研究所を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/11",
      "importance": 2,
      "event": "長谷川香料（蘇州）有限公司の工場が本稼働",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/10",
      "importance": 2,
      "event": "Peresscol Sdn. Bhd.を完全子会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/6",
      "importance": 3,
      "event": "T. HASEGAWA U.S.A., INC.がFLAVOR INGREDIENT HOLDINGS, LLCを完全子会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/12",
      "importance": 2,
      "event": "T. HASEGAWA U.S.A., INC.がMISSION FLAVORS & FRAGRANCES, INC.を完全子会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "importance": 1,
      "event": "プライム市場に移行",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/9",
      "importance": 2,
      "event": "T. HASEGAWA U.S.A., INC.がABELEI, INC.を完全子会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/12",
      "importance": 2,
      "event": "長谷川香料（平湖）有限公司を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/11",
      "importance": 2,
      "event": "Hoàng Anh Flavors and Food Ingredientsを完全子会社化",
      "source": "有価証券報告書"
    }
  ]
}