{
  "timeline": [
    {
      "date": "1897/6",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "沖ノ山炭鉱を匿名組合として設立",
      "detail": "渡辺祐策ら宇部の地元出資による石炭採掘事業の立上げ",
      "significance": "UBE創業の起点。宇部の人々の出資による地域共同経営の原型",
      "source": "有価証券報告書",
      "amount": "資本金4.5万円"
    },
    {
      "date": "1914/1",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "宇部新川鉄工所を設立",
      "detail": "炭鉱向け機械の内製を目的とする",
      "significance": "機械事業の祖。多角化第一歩",
      "source": "有価証券報告書"
    },
    {
      "date": "1923/9",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "宇部セメント製造を設立",
      "detail": "",
      "significance": "セメント事業の祖。石炭副産物活用の多角化",
      "source": "有価証券報告書"
    },
    {
      "date": "1933/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "宇部窒素工業を設立",
      "detail": "",
      "significance": "化学事業の祖。アンモニア・肥料へ展開",
      "source": "有価証券報告書"
    },
    {
      "date": "1942/3",
      "category": "組織再編",
      "region": "",
      "importance": 4,
      "event": "4社合併で宇部興産を設立",
      "detail": "沖ノ山炭鉱・宇部新川鉄工所・宇部セメント製造・宇部窒素工業の合併",
      "significance": "戦時統合を回避し宇部発祥企業を一体化。総合化学・素材企業への第一歩",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/5",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所に上場",
      "detail": "",
      "significance": "資本市場からの資金調達を可能化",
      "source": "有価証券報告書"
    },
    {
      "date": "1951/1",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "中央研究所を開設",
      "detail": "現・宇部研究所及び医薬研究所",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1955/12",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "宇部カプロラクタム工場を新設",
      "detail": "",
      "significance": "ナイロン原料への参入。化学事業の中核となる",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/6",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "NY・デュッセルドルフ駐在員事務所を開設",
      "detail": "現UBE America Inc.、Ube Europe GmbH",
      "significance": "本格的な海外展開の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/10",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "千葉石油化学工場を新設",
      "detail": "現ＵＢＥエラストマー",
      "significance": "石油化学・合成ゴム事業の拠点確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1967/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "堺工場を新設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1968/9",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "高分子研究所を開設",
      "detail": "現みらい技術研究所",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "宇部アンモニア工業を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1982/10",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "145千KW石炭専焼自家発電所が完成",
      "detail": "",
      "significance": "電力内製化によるコスト競争力強化",
      "source": "有価証券報告書",
      "amount": "145千KW"
    },
    {
      "date": "1994/9",
      "category": "企業買収",
      "region": "欧州",
      "importance": 3,
      "event": "Productos Quimicos del Mediterraneo S.A.の経営権を獲得",
      "detail": "現UBE CORPORATION EUROPE S.A.U.",
      "significance": "欧州拠点の確立。化学事業のグローバル化を加速",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/5",
      "category": "設備投資",
      "region": "東南アジア",
      "importance": 3,
      "event": "タイでカプロラクタム・ナイロン工場の操業を開始",
      "detail": "Thai Caprolactam、UBE Nylon (Thailand)（現UBE Chemicals (Asia)）",
      "significance": "アジアでのカプロラクタム生産拠点を確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "創業100周年",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/7",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "宇部三菱セメントを設立",
      "detail": "三菱マテリアルとセメント事業を統合",
      "significance": "セメント業界再編。国内シェア確保と効率化",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "宇部興産機械を設立",
      "detail": "現ＵＢＥマシナリー",
      "significance": "機械事業の分社化",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/10",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "宇部日東化成を株式交換で完全子会社化",
      "detail": "現宇部エクシモ",
      "significance": "電子・情報通信関連製品分野を取り込み",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "宇部丸善ポリエチレンを設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "田村浩章が代表取締役社長に就任（FY08）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/2",
      "category": "組織再編",
      "region": "東南アジア",
      "importance": 2,
      "event": "タイ拠点2社を合併しUBE Chemicals (Asia)を設立",
      "detail": "Thai CaprolactamとUBE Nylon (Thailand)を統合",
      "significance": "タイ事業の経営効率化",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "竹下道夫が代表取締役社長に就任（FY10）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/10",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "宇部興産機械が宇部テクノエンジを合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "山本謙が代表取締役社長に就任（FY14）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/3",
      "category": "組織再編",
      "region": "欧州",
      "importance": 1,
      "event": "欧州子会社2社を合併しUBE CORPORATION EUROPE体制に集約",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/8",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "大阪研究開発センターを開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "泉原雅人が代表取締役社長に就任（FY18）",
      "detail": "",
      "significance": "商号変更とスペシャリティ転換を推進した中興の社長",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/8",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "ＵＢＥマシナリーがＵ-ＭＨＩプラテックを合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/10",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "宇部アンモニア工業を合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/10",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "ＵＢＥエラストマーを設立",
      "detail": "千葉のエラストマー事業を分社化",
      "significance": "エラストマー事業の独立採算化",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "",
      "region": "",
      "importance": 4,
      "event": "商号をＵＢＥ㈱に変更",
      "detail": "宇部興産から80年で改称",
      "significance": "総合化学・素材から化学スペシャリティ企業への転換を象徴",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "企業買収",
      "region": "",
      "importance": 4,
      "event": "セメント関連事業をＵＢＥ三菱セメントに承継",
      "detail": "UBE三菱セメントは持分法適用関連会社に",
      "significance": "祖業セメントを連結除外し化学スペシャリティ企業へ集中",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東証プライム市場へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/12",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "エーピーアイコーポレーションの株式を取得",
      "detail": "医薬受託事業",
      "significance": "医薬セグメント強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY22で純損失を計上",
      "detail": "セメント連結除外と特別損失計上",
      "significance": "セメント承継後の最初の通期で赤字。構造改革局面に突入",
      "source": "有価証券報告書",
      "amount": "純損失▲70億円"
    },
    {
      "date": "2024/12",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "エーピーアイコーポレーションを合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/12",
      "category": "企業買収",
      "region": "欧州",
      "importance": 2,
      "event": "欧州マテリアルリサイクル樹脂製造会社を取得",
      "detail": "コンポジット事業強化",
      "significance": "リサイクル樹脂分野への参入",
      "source": "IR"
    },
    {
      "date": "2025/2",
      "category": "社長交代",
      "region": "",
      "importance": 3,
      "event": "西田祐樹への社長交代を発表",
      "detail": "泉原雅人から第12代へ",
      "significance": "大型M&A・構造改革の実行段階を担う新体制",
      "source": ""
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY24で純損失を計上",
      "detail": "構造改革決定に伴う減損損失計上",
      "significance": "アンモニア・カプロラクタム・ナイロンポリマーの構造改革確定",
      "source": "有価証券報告書",
      "amount": "純損失▲48億円, 特別損失369億円"
    },
    {
      "date": "2025/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "宇部研究開発センターを開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/4",
      "category": "企業買収",
      "region": "欧州",
      "importance": 4,
      "event": "LANXESSのウレタンシステムズ事業を取得",
      "detail": "ドイツLANXESSの子会社株式取得。新規連結11社",
      "significance": "スペシャリティ化学への構造転換を象徴する大型海外M&A",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/4",
      "category": "経営計画",
      "region": "",
      "importance": 2,
      "event": "2nd Stage中期経営計画（2025-2030）を始動",
      "detail": "DOE2.5%以上＋連結総還元性向30%以上",
      "significance": "スペシャリティ事業拡大とROE向上を掲げる長期計画",
      "source": "IR",
      "amount": "設備投資860億円"
    },
    {
      "date": "2026/3",
      "category": "経営計画",
      "region": "東南アジア",
      "importance": 3,
      "event": "タイ・カプロラクタム生産停止（前倒し）",
      "detail": "従来2027年3月→2026年3月に前倒し",
      "significance": "アンモニアチェーン構造改革の加速。スペシャリティ転換象徴",
      "source": "IR"
    },
    {
      "date": "2027/3",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "日本カプロラクタム・ナイロンポリマー生産停止予定",
      "detail": "構造改革計画",
      "significance": "祖業の一角である化学量産事業から撤退",
      "source": "IR"
    },
    {
      "date": "2028/3",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "アンモニア国内生産停止予定",
      "detail": "構造改革計画",
      "significance": "脱炭素とスペシャリティ化を同時推進する象徴施策",
      "source": "IR",
      "amount": "GHG排出2028年度65%減見込み"
    }
  ]
}