{
  "timeline": [
    {
      "date": "1918/1",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "株式会社並木製作所を設立",
      "detail": "万年筆の製造・販売開始",
      "significance": "筆記具メーカーとしての出発点",
      "source": "有価証券報告書"
    },
    {
      "date": "1926/10",
      "category": "新規事業",
      "region": "",
      "importance": 2,
      "event": "インキ製造・販売開始",
      "detail": "",
      "significance": "筆記具用インキ事業の追加",
      "source": "有価証券報告書"
    },
    {
      "date": "1927/6",
      "category": "新規事業",
      "region": "",
      "importance": 2,
      "event": "シャープペンシル製造・販売開始",
      "detail": "",
      "significance": "筆記具ラインナップ拡充",
      "source": "有価証券報告書"
    },
    {
      "date": "1935/12",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "並木製作所志村工場を開設",
      "detail": "1966/5に東京工場に改称",
      "significance": "生産拠点拡張",
      "source": "有価証券報告書"
    },
    {
      "date": "1938/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "並木製作所をパイロット萬年筆株式会社と改称",
      "detail": "",
      "significance": "商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1948/11",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "パイロット萬年筆平塚工場を開設",
      "detail": "",
      "significance": "生産拠点拡張",
      "source": "有価証券報告書"
    },
    {
      "date": "1950/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "パイロットインキ株式会社を設立",
      "detail": "現・連結子会社",
      "significance": "インキ事業の分社化",
      "source": "有価証券報告書"
    },
    {
      "date": "1960/1",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "パイロット機工株式会社を設立",
      "detail": "",
      "significance": "生産系子会社設立",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/3",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "ボールペン製造・販売開始",
      "detail": "",
      "significance": "ボールペン事業の追加",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/9",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "パイロット萬年筆が東京証券取引所市場第二部に上場",
      "detail": "",
      "significance": "資本市場へのデビュー",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/8",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東証市場第一部に指定替えおよび大阪証券取引所市場第一部に新規上場",
      "detail": "",
      "significance": "東証一部上場",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/12",
      "category": "新規事業",
      "region": "",
      "importance": 1,
      "event": "コンピュータリボン製造・販売開始",
      "detail": "",
      "significance": "コンピュータ用品分野への進出",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/5",
      "category": "海外進出",
      "region": "米州",
      "importance": 3,
      "event": "Pilot Corporation of Americaを設立",
      "detail": "現・連結子会社",
      "significance": "初の海外子会社設立で米国市場参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/10",
      "category": "新規事業",
      "region": "",
      "importance": 2,
      "event": "貴金属・宝飾品類製造・販売開始",
      "detail": "",
      "significance": "事業多角化",
      "source": "有価証券報告書"
    },
    {
      "date": "1975/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "パイロット機工をパイロットプレシジョンに改称",
      "detail": "",
      "significance": "商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1978/11",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "伊勢崎工場および東松山工場を開設",
      "detail": "東京工場より移転",
      "significance": "生産拠点の地方分散",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "パイロット萬年筆を株式会社パイロットに改称",
      "detail": "",
      "significance": "商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1994/12",
      "category": "海外進出",
      "region": "欧州",
      "importance": 3,
      "event": "Pilot Industry Europe S.A.を設立",
      "detail": "後にPilot Corporation of Europeへ改称",
      "significance": "欧州市場参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "パイロット伊勢崎第二工場を開設",
      "detail": "",
      "significance": "生産拠点拡張",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/12",
      "category": "上場廃止",
      "region": "",
      "importance": 2,
      "event": "株式移転により株式会社パイロットが東証・大証一部上場廃止",
      "detail": "",
      "significance": "持株会社移行に伴う上場廃止",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/1",
      "category": "組織再編|株式上場",
      "region": "",
      "importance": 3,
      "event": "株式移転により株式会社パイロットグループホールディングスを設立し東証・大証一部に新規上場",
      "detail": "株式会社パイロット・パイロットインキ・パイロットプレシジョン3社により新設",
      "significance": "持株会社体制への転換",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/7",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "株式会社パイロットを吸収合併し社名を株式会社パイロットコーポレーションに改称",
      "detail": "",
      "significance": "持株会社→事業会社への再統合",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/7",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "パイロットプレシジョン株式会社を吸収合併",
      "detail": "",
      "significance": "グループ統合",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/6",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "国内生産体制強化のためパイロットコーポレーション平塚工場を建替え",
      "detail": "",
      "significance": "主力工場の刷新",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/10",
      "category": "設備投資|研究開発",
      "region": "",
      "importance": 2,
      "event": "湘南開発センターを開設し全開発部門を集結",
      "detail": "",
      "significance": "R&D機能の集約",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/12",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "パイロットロジテムの社屋・物流倉庫を建替え",
      "detail": "物流設備の増強・合理化",
      "significance": "物流機能の強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/5",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "本社ビルを建替え",
      "detail": "業容拡大対応の職場環境整備と防災強化",
      "significance": "本社機能の刷新",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/7",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "パイロットインキの玩具事業を会社分割により承継",
      "detail": "",
      "significance": "玩具事業の本体取り込み",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所市場第一部からプライム市場へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/1",
      "category": "企業買収|新規事業",
      "region": "",
      "importance": 3,
      "event": "株式会社マークスグループ・ホールディングスおよび子会社マークスを連結子会社化",
      "detail": "2025/7に吸収合併し株式会社マークスに改称",
      "significance": "文具周辺領域の取り込み",
      "source": "有価証券報告書"
    }
  ]
}