{
  "timeline": [
    {
      "date": "1898/1",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "大隈栄一が名古屋で大隈麺機商会を創業",
      "detail": "個人経営で製麺機械の製造販売を開始",
      "significance": "創業年。現オークマの起点となった個人商会の発足",
      "source": "有価証券報告書"
    },
    {
      "date": "1904/2",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "工作機械の製造を開始",
      "detail": "各種工作機械の製造に参入",
      "significance": "製麺機から工作機械への主力転換点。オークマの工作機械メーカーとしての歴史の始まり",
      "source": "有価証券報告書"
    },
    {
      "date": "1916/5",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "大隈麺機商会を大隈鐵工所と改称",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1918/7",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "株式會社大隈鐵工所に組織変更",
      "detail": "法人化",
      "significance": "個人商会から株式会社化",
      "source": "有価証券報告書"
    },
    {
      "date": "1937/11",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "本社を萩野工場(名古屋市北区辻町)に移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/5",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "名古屋・東京・大阪の各証券取引所に上場",
      "detail": "",
      "significance": "戦後復興期の株式上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1955/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "大隈鋳造(現・大隈エンジニアリング)を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/8",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "愛知県丹羽郡大口町に大口工場を新設",
      "detail": "現・本社工場。工作機械組立の主力拠点",
      "significance": "現在の本社工場となる大口工場の新設",
      "source": "有価証券報告書"
    },
    {
      "date": "1979/9",
      "category": "",
      "region": "米州",
      "importance": 2,
      "event": "米国ニューヨーク州にオークママシナリーCorp.を設立",
      "detail": "輸出製品のアフターサービス提供が目的",
      "significance": "初の海外現地法人設立。北米市場への本格進出",
      "source": "有価証券報告書"
    },
    {
      "date": "1980/5",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "旧本社工場の主力を大口工場へ移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1982/2",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "本社業務を大口工場に移転",
      "detail": "爾後、大口工場を本社工場と呼称",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1984/3",
      "category": "",
      "region": "米州",
      "importance": 1,
      "event": "米国にオークママシナリーInc.を合弁設立",
      "detail": "三井物産との合弁。オークママシナリーCorp.の事業を継承",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1987/2",
      "category": "",
      "region": "米州",
      "importance": 2,
      "event": "米ノースカロライナ州にオークママシンツールスInc.を設立",
      "detail": "米国における現地生産",
      "significance": "日系工作機械メーカーの米国現地生産化",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/1",
      "category": "企業買収",
      "region": "欧州",
      "importance": 2,
      "event": "西独で現地法人2社を買収",
      "detail": "オークママシナリーハンデルスGmbH及びオークマサービスフュアヴェルクツォイクマシネンGmbHと社名変更",
      "significance": "欧州販売強化。欧州での販売網の確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/10",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "可児工場(岐阜県可児市)に可児第1工場を新設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "株式會社大隈鐵工所をオークマ株式会社と改称",
      "detail": "",
      "significance": "創業時以来の社名「大隈鐵工所」を廃止し、現社名に",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/7",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "オークママシナリーInc.とオークママシンツールスInc.を合併",
      "detail": "Okuma America Corporationに統合",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/7",
      "category": "",
      "region": "中国",
      "importance": 2,
      "event": "台湾に大同大隈股份有限公司を合弁設立",
      "detail": "大同股份有限公司との合弁。アジア向け製造拠点",
      "significance": "アジア新興市場向け生産拠点の確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/6",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "本店を名古屋市北区から愛知県丹羽郡大口町へ移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/7",
      "category": "",
      "region": "中国",
      "importance": 3,
      "event": "中国初の製造拠点、北一大隈(北京)机床を設立",
      "detail": "北京北一数控机床有限責任公司との合弁",
      "significance": "中国市場本格進出と現地生産開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/10",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "持株会社オークマホールディングスに移行",
      "detail": "新設分割で新オークマに営業承継。大隈豊和機械・大隈エンジニアリングを完全子会社化",
      "significance": "持株会社体制への移行とグループ再編",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/7",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "持株会社体制を解消し事業会社オークマに復帰",
      "detail": "オークマHD+子会社3社を吸収合併",
      "significance": "わずか9か月で持株会社体制を廃止",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "花木義麿が代表取締役社長に就任(第8代)",
      "detail": "",
      "significance": "リーマン・ショック直前の社長交代",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "FY08通期、営業利益120億円・純利益36億円を計上",
      "detail": "リーマン・ショックによる受注急落の前年",
      "significance": "",
      "source": "有価証券報告書",
      "amount": "売上1,673億円、営業利益120億円"
    },
    {
      "date": "2010/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY09にリーマン・ショックで過去最大級の赤字",
      "detail": "売上が前年の3分の1近くまで急減",
      "significance": "工作機械需要急減による経営危機。以後の体質強化・自動化推進の起点",
      "source": "有価証券報告書",
      "amount": "売上603億円、営業損失▲150億円、純損失▲188億円"
    },
    {
      "date": "2013/5",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "本社工場敷地内にドリームサイト1(DS1)を新設",
      "detail": "中・大型の複合加工機及び立形・横形NC旋盤の一貫生産工場",
      "significance": "次世代型一貫生産工場の始まり",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/3",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "本社工場にドリームサイト2(DS2)部品工場を新設",
      "detail": "小・中型旋盤及び研削盤の一貫生産工場",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/4",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "神代鉄工所を子会社化",
      "detail": "株式の過半数を取得",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "家城淳が代表取締役社長に就任(第9代)",
      "detail": "花木義麿から交代",
      "significance": "「機電情知」一体路線と自動化戦略への転換起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/5",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "可児工場にドリームサイト3(DS3)を新設",
      "detail": "立形・横形マシニングセンタの一貫生産工場",
      "significance": "可児工場のマザー工場化",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/5",
      "category": "",
      "region": "中国",
      "importance": 2,
      "event": "大隈(常州)机床有限公司を設立",
      "detail": "中国における製造・販売拠点",
      "significance": "中国市場での2拠点目製造体制",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "FY19、米中摩擦と新型コロナで業績急減",
      "detail": "家城就任後初の大幅減益",
      "significance": "米中貿易摩擦と新型コロナによる工作機械受注の冷え込み",
      "source": "有価証券報告書",
      "amount": "売上1,720億円、営業利益149億円(前年比▲46%)"
    },
    {
      "date": "2021/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "FY20、売上1,233億円まで落ち込む",
      "detail": "コロナ禍底",
      "significance": "リーマン・ショック後に次ぐ厳しい業績",
      "source": "有価証券報告書",
      "amount": "売上1,233億円、営業利益48億円"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東証プライム市場・名証プレミア市場へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/6",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "平坂鋳工と子会社ヤマシタを子会社化",
      "detail": "連結子会社オークマ興産経由",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/1",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "群馬県太田市に群馬工場を開設",
      "detail": "",
      "significance": "国内新規生産拠点",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "FY22、過去最高水準の売上2,276億円",
      "detail": "自動化需要・円安追い風",
      "significance": "コロナ後の工作機械需要回復のピーク",
      "source": "有価証券報告書",
      "amount": "売上2,276億円、営業利益248億円"
    },
    {
      "date": "2023/8",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "オークマスチールテクノが大川製作所を子会社化",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "FY24、中国市況悪化で減益",
      "detail": "",
      "significance": "中国市場依存からの脱却課題が顕在化",
      "source": "有価証券報告書",
      "amount": "売上2,068億円、営業利益146億円(前年比▲42%)"
    }
  ]
}