{
  "timeline": [
    {
      "date": "1919/9",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "大日本セルロイド㈱として創立。資本金1,250万円。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1932/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "神崎工場(兵庫県)においてセロハンの製造開始。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1934/1",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "写真フィルム部を分離、富士写真フイルム㈱(現富士フイルムホールディングス㈱)設立。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1935/9",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "新井工場(新潟県)設置、有機合成事業開始。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/5",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所(現㈱東京証券取引所)に上場。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1951/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "網干工場(兵庫県、現姫路製造所網干工場)において酢酸セルロース事業開始。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1954/1",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "播磨工場(兵庫県)設置、発射薬の製造開始。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1958/8",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "堺工場(大阪府、2008年３月廃止)において、アセテート・トウの製造開始。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/1",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "大日本化成㈱設立。(石油系有機合成事業へ進出)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/5",
      "category": "合弁設立|海外進出",
      "region": "米州",
      "importance": 2,
      "event": "ポリプラスチックス㈱(米国Celanese Corporationとの合弁会社、現㈱ダイセル完全子会社)設立。(ポリアセタール樹脂他の製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1966/2",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "商号をダイセル株式会社と改称。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1968/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "大日本化成㈱を吸収合併、同社工場を大竹工場(広島県)とする。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1970/7",
      "category": "合弁設立",
      "region": "",
      "importance": 2,
      "event": "ダイセル・ヒュルス㈱(現ポリプラ・エボニック㈱)、独Huels AG(現エボニック ジャパン㈱)との合弁会社)設立。(ナイロン12樹脂他の製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1977/7",
      "category": "合弁設立",
      "region": "",
      "importance": 2,
      "event": "協同酢酸㈱(三菱瓦斯化学㈱(2016年３月出資解消)および後に参加した電気化学工業㈱(2011年３月出資解消)、協和醗酵工業㈱(現KHネオケム㈱)、チッソ㈱(現JNC㈱(2021年９月出資解消))との合弁会社)設立。(メタノール法による酢酸の製造)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1979/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "商号をダイセル化学工業株式会社と改称。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1980/11",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "中央研究所(埼玉県)を移転し、総合研究所(兵庫県)設置。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1984/4",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "米国にDaicel (U.S.A.), Inc.(現Daicel America Holdings, Inc.)設立。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1984/11",
      "category": "海外進出",
      "region": "欧州",
      "importance": 2,
      "event": "ドイツにDaicel (Europa) GmbH設立。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/6",
      "category": "合弁設立|海外進出",
      "region": "中国",
      "importance": 2,
      "event": "ポリプラスチックス㈱が、Taiwan Engineering Plastics Co., Ltd.(現Polyplastics Taiwan Co., Ltd.、旧Hoechstグループ(1995年６月出資解消)及び長春グループとの合弁会社)設立。(ポリアセタール樹脂他の製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ダイセル・セイフティ・システムズ㈱設立。(自動車エアバッグ用インフレータの製造)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/5",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "シンガポールにDaicel Chemical (Asia) Pte. Ltd.(現Daicel (Asia) Pte. Ltd.)設立。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/11",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "網干工場(現姫路製造所網干工場)において液晶表示向けフィルム用酢酸セルロース及びアセテート・トウの製造開始。 米国にChiral Technologies, Inc.設立。(光学異性体分離カラムの販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1992/7",
      "category": "合弁設立|海外進出",
      "region": "中国",
      "importance": 2,
      "event": "中国にXi'an Huida Chemical Industries Co., Ltd.(西安北方恵安化学工業有限公司、陜西中煙工業公司(現陜西中煙投資管理有限公司)との合弁会社)設立。(アセテート・トウの製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/5",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "㈱大同商工(現ダイセルパックシステムズ㈱)に資本参加。(各種容器成形品の製造加工・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "姫路製造所広畑工場(兵庫県)設置。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1994/5",
      "category": "合弁設立",
      "region": "",
      "importance": 2,
      "event": "ダイセン・メンブレン・システムズ㈱(セントラルフィルター工業㈱及びセントラルメインテナンス㈱(現㈱ CFEM )との合弁会社)設立。(セパレーション事業の分社)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/10",
      "category": "海外進出",
      "region": "欧州",
      "importance": 2,
      "event": "フランスにChiral Technologies-Europe SARL(現Chiral Technologies Europe S.A.S.)設立。(光学異性体分離カラムの販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/3",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ポリプラスチックス㈱が、Polyplastics Asia Pacific Sdn. Bhd.設立。(ポリアセタール樹脂他の製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/7",
      "category": "合弁設立",
      "region": "",
      "importance": 2,
      "event": "ポリプラスチックス㈱が、ウィンテックポリマー㈱(現ポリプラスチックス㈱、帝人㈱(2016年９月出資解消)との合弁会社)設立。(ＰＢＴ樹脂、ＧＦ－ＰＥＴ樹脂の製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/12",
      "category": "合弁設立",
      "region": "",
      "importance": 2,
      "event": "Daicel Safety Systems America, LLC(現Daicel Safety Systems Americas, Inc.、豊田合成㈱(2017年６月出資解消)との合弁会社)設立。(自動車エアバッグ用インフレータの製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/1",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ダイセルパックシステムズ㈱営業開始。(成型容器製品事業を㈱大同商工と事業統合)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/12",
      "category": "合弁設立|海外進出",
      "region": "米州",
      "importance": 2,
      "event": "ポリプラスチックス㈱が、PTM Engineering Plastics (Nantong) Co., Ltd.(三菱瓦斯化学㈱、韓国Korea Engineering Plastics Co., Ltd.、米国Ticona LLCとの合弁会社)設立。(ＰＯＭ樹脂及びその他のエンジニアリングプラスチックの製造、加工及び販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/9",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "Daicel Safety Systems (Thailand) Co., Ltd.設立。(自動車エアバッグ用インフレータの製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/3",
      "category": "海外進出",
      "region": "欧州",
      "importance": 2,
      "event": "ポーランドにDaicel Safety Systems Europe Sp. z o. o.設立。(自動車エアバッグ用インフレータの製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ダイセルバリューコーティング㈱営業開始。(フィルム事業の分社)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/7",
      "category": "海外進出",
      "region": "中国",
      "importance": 2,
      "event": "Daicel Chemical (China) Investment Co., Ltd.(現Daicel (China) Investment Co., Ltd.)設立。(中国におけるグループ会社の統括等)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/12",
      "category": "海外進出",
      "region": "中国",
      "importance": 2,
      "event": "中国にDaicel Safety Systems (Jiangsu) Co., Ltd.設立。(自動車エアバッグ用インフレータの製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/3",
      "category": "合弁設立|海外進出",
      "region": "中国",
      "importance": 2,
      "event": "中国にNingbo Da-An Chemical Industries Co., Ltd.(西安北方恵安化学工業有限公司、陜西中煙工業公司(現陜西中煙投資管理有限公司)との合弁会社)設立。(酢酸セルロース及び無水酢酸の製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/11",
      "category": "海外進出",
      "region": "欧州",
      "importance": 2,
      "event": "ドイツにTopas Advanced Polymers GmbH設立。(環状オレフィン・コポリマーの製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/8",
      "category": "海外進出",
      "region": "中国",
      "importance": 2,
      "event": "中国にDaicel Chiral Technologies (China) Co., Ltd.設立。(光学異性体分離カラムの販売、受託分離サービスの提供)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "大竹工場においてアセテート・トウの製造開始。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/3",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "大阪府道高速大和川線計画施行による一部敷地収用に伴い、堺工場を廃止。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/4",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "インドにDaicel Chiral Technologies (India) Pvt. Ltd.設立。(光学異性体分離カラムの販売、受託分離サービスの提供)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/8",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "大竹工場において液晶表示向けフィルム用酢酸セルロースの製造開始。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/7",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "大竹工場においてバイオエタノールを原料とした酢酸エチルの製造開始。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "商号を株式会社ダイセルと改称。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/4",
      "category": "",
      "region": "米州",
      "importance": 1,
      "event": "米国のSpecial Devices, Inc.(現Daicel Safety Systems Americas, Inc.)を買収。(インフレータ用イニシエータの製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/4",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "米国にDaicel Safety Systems America Arizona, Inc.(現Daicel Safety Systems Americas, Inc.)設立。(自動車エアバッグ用インフレータの製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/5",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "米国にDaicel ChemTech, Inc.設立。(有機化学品の販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "総合研究所と姫路技術本社(兵庫県)を再配置し、イノベーション・パーク(兵庫県)に集約。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/10",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "インドにDaicel Safety Systems India Pvt. Ltd.設立。(自動車エアバッグ用インフレータの販売(2023年10月製造開始))",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/7",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ダイセルミライズ㈱営業開始。(樹脂事業の再編)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/10",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "ポリプラスチックス㈱を完全子会社化。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/1",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ポリプラスチックス㈱が、DP Engineering Plastics (Nantong) Co., Ltd.設立。(ＰＯＭ樹脂の製造・販売)",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ダイセルビヨンド㈱操業開始。（高機能フィルムの製造・加工）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    }
  ]
}
