{
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  "stock_code": "7282",
  "company_name": "豊田合成",
  "content_lang": "ja",
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  "updated": "2026-09-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/7282/",
  "source": {
    "primary": [
      "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",
    "row_field": "source"
  },
  "timeline": [
    {
      "date": "1949/6",
      "importance": 3,
      "event": "企業再建整備法により国華工業の第2会社として名古屋ゴムの名称で分離独立",
      "source": "有価証券報告書",
      "link": "/tse/7282/decisions/second-company-1949/"
    },
    {
      "date": "1957/5",
      "importance": 1,
      "event": "春日工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/5",
      "importance": 1,
      "event": "ソフトコルク工業を吸収合併し西町工場を継承",
      "source": "有価証券報告書"
    },
    {
      "date": "1967/12",
      "importance": 1,
      "event": "稲沢工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1973/8",
      "importance": 1,
      "event": "豊田合成に商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1976/9",
      "importance": 1,
      "event": "森町工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1978/12",
      "importance": 1,
      "event": "名古屋証券取引所市場第二部に株式上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1980/1",
      "importance": 1,
      "event": "本社を移転",
      "source": "有価証券報告書"
    },
    {
      "date": "1983/10",
      "importance": 1,
      "event": "名古屋証券取引所市場第一部に指定",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/4",
      "importance": 1,
      "event": "米国TGを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/10",
      "importance": 1,
      "event": "豊田合成HDを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1987/5",
      "importance": 1,
      "event": "中華民国に豊裕を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/5",
      "importance": 1,
      "event": "TGテクニカルセンターを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/12",
      "importance": 1,
      "event": "天津豊田合成汽車軟管有限公司を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/11",
      "importance": 1,
      "event": "TGケンタッキーを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/3",
      "importance": 1,
      "event": "東京証券取引所市場第一部に株式上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/4",
      "importance": 1,
      "event": "TGノースアメリカを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/1",
      "importance": 1,
      "event": "生産工程を移設し名古屋工場を閉鎖",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/11",
      "importance": 1,
      "event": "ベルギーにTGヨーロッパを設立天津星光橡塑有限公司に資本参加",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/3",
      "importance": 1,
      "event": "チェコにTGセーフティシステムズチェコを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/2",
      "importance": 2,
      "event": "東洋ゴム工業との間でエアバッグ事業の譲受・防振ゴム事業の譲渡を契約",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/9",
      "importance": 1,
      "event": "北九州工場を新設",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/7",
      "importance": 1,
      "event": "豊田合成ラバーメキシコを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/4",
      "importance": 3,
      "event": "豊田合成メテオールを設立",
      "source": "有価証券報告書",
      "link": "/tse/7282/decisions/meteor-sealing-2014/"
    },
    {
      "date": "2014/4",
      "importance": 1,
      "event": "メテオールシーリングなどを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/8",
      "importance": 3,
      "event": "芦森工業への公開買付けを決定",
      "source": null,
      "link": "/tse/7282/decisions/ashimori-tob-2025/"
    }
  ]
}