{
  "timeline": [
    {
      "date": "1946/9",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "天田勇が東京都豊島区で創業",
      "detail": "修理業・水道局向け部品製造からスタート",
      "significance": "アマダの起点。個人経営の町工場として発足",
      "source": "有価証券報告書"
    },
    {
      "date": "1948/6",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "合資会社天田製作所を設立",
      "detail": "",
      "significance": "法人化",
      "source": "有価証券報告書"
    },
    {
      "date": "1953/10",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "株式会社に改組、東京都中野区に本店移転",
      "detail": "同時に万能金切帯鋸盤の製造販売に着手",
      "significance": "株式会社化と帯鋸盤事業への本格参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1955/1",
      "category": "",
      "region": "",
      "importance": 4,
      "event": "独自ハンドソー（金属帯鋸盤）1号機を開発",
      "detail": "大手競合不在の未開拓市場にカタログ研究から自社開発で参入",
      "significance": "金属加工用ハンドソー国産化の起点。以後のアマダの主力製品の原点",
      "source": "",
      "amount": "投資額約2,000万円"
    },
    {
      "date": "1956/10",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "埼玉県鳩ケ谷市に川口工場を建設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1960/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "商事部門を分離しエーエム商事を設立",
      "detail": "",
      "significance": "直販体制への助走。代理店依存からの脱却開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/10",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第二部に上場",
      "detail": "伊勢原工場新設の資金調達が目的",
      "significance": "創業15年での上場。「花形株」として注目",
      "source": "有価証券報告書",
      "amount": "資本金800万円、工場投資計画2〜3億円"
    },
    {
      "date": "1962/7",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "大阪証券取引所市場第二部に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/1",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "商号を株式会社アマダに変更",
      "detail": "",
      "significance": "「アマダ」ブランドの確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/1",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "直接販売網の構築を本格化",
      "detail": "代理店依存から自社営業網主体へ。分割払いによる中小企業開拓",
      "significance": "「販売のアマダ」戦略の起点。天田勇の「メーカーは営業力を持つべき」という確信の実装",
      "source": ""
    },
    {
      "date": "1969/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "本店を東京都中野区から神奈川県伊勢原市に移転",
      "detail": "",
      "significance": "本社機能の伊勢原集約",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/8",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東証・大証ともに市場第一部に指定",
      "detail": "",
      "significance": "上場8年で一部指定",
      "source": "有価証券報告書"
    },
    {
      "date": "1971/1",
      "category": "",
      "region": "米州",
      "importance": 3,
      "event": "米国シアトルにユー・エス・アマダ社を設立",
      "detail": "",
      "significance": "初の海外現地法人。米国市場への本格進出",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/8",
      "category": "",
      "region": "欧州",
      "importance": 2,
      "event": "英国バーミンガムにアマダ・ユー・ケー社を設立",
      "detail": "",
      "significance": "欧州進出の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/10",
      "category": "企業買収",
      "region": "欧州",
      "importance": 2,
      "event": "独デュッセルドルフの機械商社を買収しドイツ・アマダ社を発足",
      "detail": "",
      "significance": "欧州主要市場の販路確保",
      "source": "有価証券報告書"
    },
    {
      "date": "1973/7",
      "category": "業務提携",
      "region": "",
      "importance": 3,
      "event": "淀川プレス製作所の株式30%を取得",
      "detail": "第三者割当増資引受。メカニカルプレス業務提携",
      "significance": "板金加工機ラインナップ拡充。業界再編の開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1973/11",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "園池製作所の株式49.4%を取得",
      "detail": "経営不振企業の救済型買収。帯鋸盤・板金用金型の製造委託",
      "significance": "経営不振の競合を取り込む板金機械再編戦略",
      "source": "有価証券報告書"
    },
    {
      "date": "1978/4",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "ワシノ機械の株式16.7%を取得",
      "detail": "メカニカルプレス製造委託",
      "significance": "メカニカルプレス事業の垂直統合進展",
      "source": "有価証券報告書"
    },
    {
      "date": "1982/1",
      "category": "",
      "region": "欧州",
      "importance": 1,
      "event": "伊ミラノにアマダ・イタリア社を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/9",
      "category": "企業買収",
      "region": "欧州",
      "importance": 3,
      "event": "仏プロメカム・シッソン・レーマン社を買収",
      "detail": "アマダ・エス・エー社として発足（現アマダ・ヨーロッパ）",
      "significance": "欧州板金機械メーカーの取り込み。欧州事業の中核確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "園池製作所がアマダソノイケ、ワシノ機械がアマダワシノに商号変更",
      "detail": "",
      "significance": "買収企業のアマダ統合ブランド化",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/3",
      "category": "",
      "region": "中国",
      "importance": 3,
      "event": "北京天田機床模具有限公司を合弁設立",
      "detail": "",
      "significance": "中国市場への本格進出",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/6",
      "category": "",
      "region": "東南アジア",
      "importance": 2,
      "event": "タイにアマダ(タイランド)社を設立",
      "detail": "",
      "significance": "東南アジア製造拠点の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "アマダメトレックスを吸収合併",
      "detail": "",
      "significance": "グループ内再編の第1段階",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "岡本満夫が代表取締役社長に就任（第4代）",
      "detail": "",
      "significance": "「エンジニアリングのアマダ」への第2創業路線の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/10",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "アマダマシニックスを吸収合併",
      "detail": "",
      "significance": "グループ再編の継続",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/3",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "富士宮事業所に開発センター・レーザ専用工場を竣工",
      "detail": "",
      "significance": "レーザ加工機への重点投資",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "FY08、リーマン・ショックで売上約21%減",
      "detail": "",
      "significance": "リーマン・ショック直撃",
      "source": "有価証券報告書",
      "amount": "売上2,258億円、営業利益187億円"
    },
    {
      "date": "2010/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY09、売上1,360億円・営業損失96億円",
      "detail": "売上ピークから約半減、初の営業赤字",
      "significance": "過去最大の業績悪化。構造改革の起点",
      "source": "有価証券報告書",
      "amount": "売上1,360億円、営業損失▲96億円、純損失▲37億円"
    },
    {
      "date": "2013/3",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "ミヤチテクノス（アマダウエルドテック）を株式公開買付けで子会社化",
      "detail": "",
      "significance": "溶接機事業の取り込み",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/4",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "持株会社体制へ移行、アマダホールディングスに商号変更",
      "detail": "板金機械販売・製造・切削ブレード各事業を分社",
      "significance": "事業別ガバナンス体制の確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "磯部任が代表取締役社長に就任（第5代）",
      "detail": "",
      "significance": "持株会社体制下でのグローバルM&A路線",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/7",
      "category": "企業買収",
      "region": "米州",
      "importance": 2,
      "event": "米Marvel Manufacturing Companyを買収",
      "detail": "アマダ・マーベル社に商号変更",
      "significance": "米国でのメタル切断機ラインナップ強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/10",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "オリイメック（現アマダプレスシステム）の全株式を取得",
      "detail": "名村造船所から取得",
      "significance": "プレス送り装置事業の取り込み",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "子会社アマダを吸収合併し、商号を株式会社アマダに変更",
      "detail": "",
      "significance": "持株会社体制から事業会社体制への回帰",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東証プライム市場に移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "山梨貴昭が代表取締役社長に就任（第6代）",
      "detail": "",
      "significance": "半導体・新素材加工への事業領域拡大路線",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/2",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "Amada Global Innovation Centerを開設",
      "detail": "旧アマダ・ソリューションセンターを全面刷新",
      "significance": "グローバル技術発信拠点",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "FY22、売上3,657億円・営業利益499億円",
      "detail": "",
      "significance": "コロナ後の業績急回復",
      "source": "有価証券報告書",
      "amount": "売上3,657億円、営業利益499億円"
    },
    {
      "date": "2024/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY23、過去最高の売上4,035億円・営業利益565億円",
      "detail": "",
      "significance": "過去最高益を達成",
      "source": "有価証券報告書",
      "amount": "売上4,035億円、営業利益565億円"
    },
    {
      "date": "2024/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "アマダウエルドテックを吸収合併",
      "detail": "",
      "significance": "溶接機事業のさらなる統合",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "FY24、中国市況悪化等で減益",
      "detail": "",
      "significance": "中国市況悪化の影響",
      "source": "有価証券報告書",
      "amount": "売上3,967億円、営業利益491億円"
    },
    {
      "date": "2025/5",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "カナデビア子会社エイチアンドエフの全株式を取得",
      "detail": "過去最大級M&A。プレスシステム統合でトップシェア獲得狙い",
      "significance": "半導体・新素材加工への事業領域拡大の決定打",
      "source": ""
    }
  ]
}