{
  "timeline": [
    {
      "date": "1905/9",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "鈴木商店が小林製鋼所を買収し神戸製鋼所として創業",
      "detail": "日露戦争後の艦船・機械国産化の要請を背景に、鈴木商店番頭・金子直吉が船舶部品などの鋳鍛鋼品製造のため買収",
      "significance": "神戸製鋼所の直接の起点。後に鈴木商店が倒産しても独立企業として存続する出発点",
      "source": ""
    },
    {
      "date": "1911/6",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "株式会社神戸製鋼所として鈴木商店から分離独立",
      "detail": "初代社長は海軍造船少将の黒川勇熊",
      "significance": "独立企業としての再出発",
      "source": "",
      "amount": "資本金140万円"
    },
    {
      "date": "1912/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "日本初のドリル生産を開始",
      "detail": "切削工具メーカーとしての国産化",
      "significance": "日本の機械工業における切削工具国産化の先鞭",
      "source": "有価証券報告書"
    },
    {
      "date": "1915/8",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "機械製作分野に参入",
      "detail": "大型鍛造プレスを活かした鋳鍛鋼品と並ぶ第二の柱",
      "significance": "素材と機械の複合企業体化の起点",
      "source": ""
    },
    {
      "date": "1916",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "鋼材圧延を開始",
      "detail": "",
      "significance": "",
      "source": ""
    },
    {
      "date": "1917/12",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "伸銅品の生産を開始",
      "detail": "門司工場で本格化、蒸気タービン復水管向け新銅合金の開発が飛躍に貢献",
      "significance": "アルミ・銅部門の基礎構築",
      "source": ""
    },
    {
      "date": "1927/4",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "母体の鈴木商店が金融恐慌の中で倒産",
      "detail": "神戸製鋼所は独自企業として生き残り",
      "significance": "財閥系ではない独立鉄鋼メーカーとしての歩みを確定",
      "source": ""
    },
    {
      "date": "1937/2",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "アルミ分野に参入",
      "detail": "軍需拡大を背景とした名古屋・長府工場新設",
      "significance": "後にアルミ板・素形材で業界トップとなる事業の起点",
      "source": ""
    },
    {
      "date": "1939/10",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "長府工場（現長府製造所）を新設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1940/7",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "溶接棒の生産を開始（日本初）",
      "detail": "軍国化に伴う全溶接新鋭艦増産要請への対応",
      "significance": "後の溶接事業の起点",
      "source": ""
    },
    {
      "date": "1942/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "大久保工場（現コベルコ建機）を新設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/5",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京・大阪・名古屋の各証券取引所に株式上場",
      "detail": "",
      "significance": "戦後復興期の資金基盤を確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/8",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "神鋼金属工業・神鋼電機の2社を分社",
      "detail": "非鉄合金2工場と電機5工場を現物出資。1957年に神鋼金属工業を合金事業部として復帰",
      "significance": "戦後の事業再編",
      "source": ""
    },
    {
      "date": "1953/11",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "高砂工場（現高砂製作所）を新設",
      "detail": "機械部門の基幹工場",
      "significance": "大型鋳鍛鋼品の生産体制構築",
      "source": "有価証券報告書"
    },
    {
      "date": "1958/5",
      "category": "海外進出",
      "region": "",
      "importance": 3,
      "event": "日本初のプラント輸出商談が成約",
      "detail": "東パキスタン向け肥料工場を受注",
      "significance": "わが国初のプラント輸出実現と機械部門の海外進出の起点",
      "source": ""
    },
    {
      "date": "1959/1",
      "category": "設備投資",
      "region": "",
      "importance": 3,
      "event": "灘浜1号高炉の火入れで鉄鋼一貫体制を確立",
      "detail": "",
      "significance": "銑鋼一貫メーカーとしての地位確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/4",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "尼崎製鉄を吸収合併",
      "detail": "",
      "significance": "鉄鋼事業の経営基盤を強化",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/8",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "真岡工場（現真岡製造所）を新設",
      "detail": "アルミ分野の基幹工場",
      "significance": "アルミ板業界トップ地位の土台",
      "source": "有価証券報告書"
    },
    {
      "date": "1970/3",
      "category": "設備投資",
      "region": "",
      "importance": 4,
      "event": "加古川製鉄所が鉄鋼一貫生産を開始",
      "detail": "線材・棒鋼に加え鋼板類も生産する総合鉄鋼メーカーへ",
      "significance": "神戸・加古川の2製鉄所体制確立、薄板分野参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1983/7",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "米ミドレックス社を買収",
      "detail": "直接還元製鉄技術を保有、1983年同年に油谷重工に資本経営参加",
      "significance": "直接還元製鉄技術の取り込みで後の水素還元製鉄事業の土台",
      "source": ""
    },
    {
      "date": "1988/4",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "ニューヨークに米国総合統括会社Kobe Steel USAを設立",
      "detail": "",
      "significance": "北米事業の統括体制",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/7",
      "category": "海外進出",
      "region": "米州",
      "importance": 3,
      "event": "米USX社との合弁により米国で鉄鋼一貫生産を開始",
      "detail": "USS・KOBE社（棒鋼・線材）",
      "significance": "米国での本格的な現地鉄鋼生産",
      "source": ""
    },
    {
      "date": "1990/5",
      "category": "海外進出",
      "region": "",
      "importance": 3,
      "event": "米TI社と合弁で半導体製造開始",
      "detail": "同年9月に米アルコア社と包括提携を締結",
      "significance": "ハイテク分野への進出",
      "source": ""
    },
    {
      "date": "1995/1",
      "category": "",
      "region": "",
      "importance": 4,
      "event": "阪神・淡路大震災で神戸・加古川両製鉄所が甚大被害",
      "detail": "同年8月までに両製鉄所は復旧完了。累積損失857億円",
      "significance": "主力拠点被災からの復旧を通じ事業継続力を示した",
      "source": "",
      "amount": "被害総額1096億円"
    },
    {
      "date": "1999/10",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "コベルコ建機に建設機械事業を一元化",
      "detail": "油谷重工・神鋼コベルコ建機を統合",
      "significance": "建設機械事業の独立運営体制を確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/4",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "神戸発電所1号機の営業運転開始",
      "detail": "IPP（独立系発電事業者）として電力事業を開始",
      "significance": "第3の柱「電力事業」の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/4",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "神戸発電所2号機の営業運転開始",
      "detail": "",
      "significance": "電力事業の2号機体制",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "2009年3月期親会社株主に帰属する当期純損失▲314億円を計上",
      "detail": "リーマンショック後の需要急減",
      "significance": "金融危機下での赤字転落",
      "source": "有価証券報告書",
      "amount": "純損失▲314億円/特別損失331億円"
    },
    {
      "date": "2009/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "犬伏泰夫から佐藤廣士へ社長交代",
      "detail": "",
      "significance": "リーマン後の事業立て直し",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/1",
      "category": "海外進出",
      "region": "中国",
      "importance": 2,
      "event": "上海に中国統括会社（神鋼投資有限公司）を設立",
      "detail": "",
      "significance": "中国事業の統括体制",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "2013年3月期純損失▲270億円、経常損失▲181億円",
      "detail": "鉄鋼市況低迷と円高影響",
      "significance": "2期連続の赤字",
      "source": "有価証券報告書",
      "amount": "純損失▲270億円"
    },
    {
      "date": "2013/4",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "佐藤廣士から川崎博也へ社長交代",
      "detail": "20代社長",
      "significance": "業績不振下での経営刷新",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "2016年3月期純損失▲216億円",
      "detail": "鉄鋼市況悪化と特別損失395億円",
      "significance": "鉄鋼市況サイクルの底で再び赤字",
      "source": "有価証券報告書",
      "amount": "純損失▲216億円"
    },
    {
      "date": "2017/10",
      "category": "組織再編",
      "region": "",
      "importance": 5,
      "event": "アルミ・銅製品等の品質データ改ざん問題が発覚",
      "detail": "長年にわたる製品検査データの書き換えが社内調査で明らかになり、多数の納入先に影響",
      "significance": "戦後の鉄鋼業界で最大級の品質問題、企業統治の根本的見直しを迫られた",
      "source": ""
    },
    {
      "date": "2018/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "2018年3月期純利益632億円に回復",
      "detail": "",
      "significance": "品質問題後の業績復元",
      "source": "有価証券報告書",
      "amount": "純利益632億円"
    },
    {
      "date": "2018/4",
      "category": "社長交代",
      "region": "",
      "importance": 3,
      "event": "川崎博也から山口貢へ社長交代",
      "detail": "21代社長、品質問題引責含む",
      "significance": "改ざん問題を受けた経営刷新",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "2020年3月期純損失▲680億円、特別損失651億円",
      "detail": "コロナ禍と構造改革費用",
      "significance": "経営構造改革期の最大赤字",
      "source": "有価証券報告書",
      "amount": "純損失▲680億円"
    },
    {
      "date": "2020/3",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "バンコクに東南アジア・南アジア地域統括会社、ミュンヘンに欧州・中東地域統括会社を設立",
      "detail": "同時に真岡発電所1・2号機の営業運転開始",
      "significance": "地域統括体制のグローバル再編と電力事業の真岡展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/2",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "神戸発電所3号機の営業運転開始",
      "detail": "",
      "significance": "電力事業の拡大",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "2022年3月期純利益601億円、売上2兆826億円",
      "detail": "コロナ後回復と価格転嫁進展",
      "significance": "コロナ禍からの業績回復",
      "source": "有価証券報告書",
      "amount": "売上2兆826億円/純利益601億円"
    },
    {
      "date": "2023/2",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "神戸発電所4号機の営業運転開始",
      "detail": "",
      "significance": "電力事業の4号機体制確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "2024年3月期売上2兆5431億円、純利益1096億円",
      "detail": "鉄鋼価格転嫁進展と機械・電力の好調",
      "significance": "2期連続で1000億円超の純利益",
      "source": "有価証券報告書",
      "amount": "売上2兆5431億円/純利益1096億円"
    },
    {
      "date": "2024/4",
      "category": "社長交代",
      "region": "",
      "importance": 3,
      "event": "山口貢から勝川四志彦へ社長交代",
      "detail": "22代社長",
      "significance": "脱炭素・事業ポートフォリオ変革フェーズへ",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 4,
      "event": "2025年3月期当期純利益1201億円（過去最高更新）",
      "detail": "経常利益1571億円、ROIC6.9％",
      "significance": "創業120年目にして過去最高純利益達成",
      "source": "IR",
      "amount": "純利益1201億円"
    },
    {
      "date": "2026/1",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "神戸発電所3号機が定期点検期間延長",
      "detail": "高圧タービン大型ナットが緩まず配管切断対応、運転再開は2026年5月中旬予定",
      "significance": "電力事業の一過性減益要因",
      "source": "IR"
    }
  ]
}