{
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  "updated": "2026-08-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/kowa/",
  "source": {
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    "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": "1894/12",
      "importance": 3,
      "event": "名古屋市中区に綿布問屋の服部兼三郎商店を創立",
      "source": "有価証券報告書"
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      "date": "1912/10",
      "importance": 2,
      "event": "服部商店の設立による法人化",
      "source": "有価証券報告書"
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      "date": "1914/4",
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      "event": "桜田工場の新設による織布業の開始",
      "source": "有価証券報告書"
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      "date": "1918/5",
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      "event": "古知野工場の新設による紡績業の開始",
      "source": "有価証券報告書"
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      "date": "1939/11",
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      "event": "商事部門と紡績部門を分離してカネカ服部商店を設立",
      "source": "有価証券報告書"
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      "date": "1940/2",
      "importance": 1,
      "event": "服部商店に商号変更",
      "source": "有価証券報告書"
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      "date": "1943/8",
      "importance": 1,
      "event": "興服産業に商号変更",
      "source": "有価証券報告書"
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    {
      "date": "1946/6",
      "importance": 2,
      "event": "蒲郡工場の新設による光学部門の創設",
      "source": "有価証券報告書"
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      "date": "1947/4",
      "importance": 3,
      "event": "名古屋工場の新設による医薬品部門の創設",
      "source": "有価証券報告書"
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      "date": "1954/6",
      "importance": 1,
      "event": "名古屋市中区錦に本店を移転",
      "source": "有価証券報告書"
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      "date": "1954/7",
      "importance": 2,
      "event": "興和新薬を設立",
      "source": "有価証券報告書"
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      "event": "東京都板橋区に電機機器部門を創設",
      "source": "有価証券報告書"
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      "event": "調布工場の新設による電機機器の製造開始",
      "source": "有価証券報告書"
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      "date": "1960/5",
      "importance": 2,
      "event": "興和に商号変更",
      "source": "有価証券報告書"
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      "importance": 2,
      "event": "東京都東村山市に東京研究所を創設",
      "source": "有価証券報告書"
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      "date": "1964/7",
      "importance": 1,
      "event": "静岡県富士市に富士工場を新設",
      "source": "有価証券報告書"
    },
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      "date": "1970/10",
      "importance": 1,
      "event": "シンガポールに Kowa Trading Company (S) Pte. Ltd. を設立",
      "source": "有価証券報告書"
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      "date": "1991/6",
      "importance": 2,
      "event": "光研の株式取得による子会社化",
      "source": "有価証券報告書"
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      "date": "1995/3",
      "importance": 2,
      "event": "浜松工場の新設による医療機器の製造開始",
      "source": "有価証券報告書"
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      "date": "1999/7",
      "importance": 2,
      "event": "名古屋観光ホテルを株式公開買付により子会社化",
      "source": "有価証券報告書"
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      "date": "2003/11",
      "importance": 3,
      "event": "日研化学の株式取得による子会社化",
      "source": "有価証券報告書"
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      "date": "2007/7",
      "importance": 1,
      "event": "興和創薬から真岡工場を譲受",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/9",
      "importance": 3,
      "event": "ProEthic Pharmaceutical の買収による米国での自社販売体制の確立",
      "source": "有価証券報告書"
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    {
      "date": "2010/8",
      "importance": 2,
      "event": "丸栄を第三者割当増資の引受により子会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/10",
      "importance": 2,
      "event": "興和紡績のヘルスケアー・精密機器・不動産事業の一部を吸収分割で承継",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/10",
      "importance": 1,
      "event": "ナゴヤキャッスルの株式取得による子会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/12",
      "importance": 1,
      "event": "興和白元古河ファクトリーの株式取得による子会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/4",
      "importance": 2,
      "event": "江守商事の株式取得による子会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/4",
      "importance": 2,
      "event": "興和新薬および興和創薬を吸収合併",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/5",
      "importance": 2,
      "event": "ワタベウェディングを第三者割当増資の引受により子会社化",
      "source": "有価証券報告書"
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}