{
  "timeline": [
    {
      "date": "1946/4",
      "category": "会社設立",
      "region": "",
      "importance": 4,
      "event": "東京都三鷹市に樫尾製作所創業",
      "detail": "樫尾忠雄ら樫尾4兄弟が創業",
      "significance": "戦後復興期に生まれた個人事業が、世界初の電動計算機メーカーへ発展する起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1957/6",
      "category": "",
      "region": "",
      "importance": 5,
      "event": "世界初の小型純電気式計算機14-Aを商品化、カシオ計算機株式会社を設立",
      "detail": "東京都武蔵野市で会社設立",
      "significance": "機械式・リレー式が主流だった時代に純電気式の小型計算機を実現。電卓メーカー『カシオ』の始まり",
      "source": "有価証券報告書"
    },
    {
      "date": "1960/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "東京都東大和市に東京工場完成",
      "detail": "",
      "significance": "量産体制の整備",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/9",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "電子式卓上計算機発売",
      "detail": "",
      "significance": "リレー式から電子式へ。電卓市場の競争激化期に参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1970/5",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "米Casio,Inc.設立、東証二部に上場",
      "detail": "ニューヨーク州に販売子会社",
      "significance": "海外販売拠点と株式公開を同時達成",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/8",
      "category": "",
      "region": "",
      "importance": 5,
      "event": "『カシオミニ』を発売しパーソナル電卓市場を確立、東証一部に指定替",
      "detail": "ハンブルグにCasio Computer GmbH設立",
      "significance": "1万円を切る水準の低価格電卓で個人向け市場を創造。電卓戦争で勝ち残る",
      "source": "有価証券報告書",
      "amount": "12,800円"
    },
    {
      "date": "1973/3",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子工場（現八王子技術センター）完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1974/5",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "電子腕時計発売、本店を東大和から新宿へ移転",
      "detail": "",
      "significance": "時計事業の開始。後のG-SHOCKにつながる主力事業の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1975/9",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "ロンドンに英Casio Electronicsを設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1979/7",
      "category": "組織再編",
      "region": "中国",
      "importance": 1,
      "event": "香港Casio Computer (HK)、山形カシオを設立",
      "detail": "羽村技術センターも同年完成",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1980/1",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "電子楽器『カシオトーン』発売",
      "detail": "",
      "significance": "楽器事業の起点。オンリーワン型の新規事業モデル",
      "source": "有価証券報告書"
    },
    {
      "date": "1983/4",
      "category": "",
      "region": "",
      "importance": 5,
      "event": "耐衝撃腕時計『G-SHOCK』DW-5000Cを発売",
      "detail": "",
      "significance": "『落としても壊れない時計』という常識外れの発想で世界的ブランドに。後の主力事業の柱",
      "source": ""
    },
    {
      "date": "1995/11",
      "category": "組織再編",
      "region": "中国",
      "importance": 1,
      "event": "広東省深圳市にカシオ電子(深圳)を設立",
      "detail": "",
      "significance": "中国製造の本格化",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/1",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "本店を新宿から渋谷へ移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/7",
      "category": "組織再編",
      "region": "東南アジア",
      "importance": 1,
      "event": "シンガポールの拠点を統合しCasio Singapore Pte営業開始",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "当期純損失▲249億円",
      "detail": "デジタル家電競争激化とITバブル崩壊",
      "significance": "電卓から情報機器への多角化モデルの限界が露呈",
      "source": "有価証券報告書",
      "amount": "純損失▲249億円"
    },
    {
      "date": "2003/11",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子技術センター竣工",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/6",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "広東省中山市にカシオ電子科技(中山)を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "当期純損失▲231億円",
      "detail": "リーマンショックとデジカメ事業の不振",
      "significance": "カシオの多角化モデルの最大の危機。事業整理の本格化",
      "source": "有価証券報告書",
      "amount": "純損失▲231億円"
    },
    {
      "date": "2010/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "営業赤字▲293億円・純損失▲210億円",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書",
      "amount": "営業赤字▲293億円、純損失▲210億円"
    },
    {
      "date": "2010/4",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "TFT液晶ディスプレイ事業を凸版印刷との共同出資のオルタステクノロジーに移管",
      "detail": "",
      "significance": "半導体系デバイス事業からの実質撤退",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/6",
      "category": "合弁設立",
      "region": "",
      "importance": 3,
      "event": "携帯電話端末事業をNECカシオモバイルコミュニケーションズに統合",
      "detail": "NECと合弁",
      "significance": "携帯電話事業からの撤退路線の第一歩。最終的にスマホ市場で敗退",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/10",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "WLP関連事業をテラプローブに事業譲渡",
      "detail": "",
      "significance": "半導体パッケージ事業からの撤退",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/4",
      "category": "組織再編",
      "region": "東南アジア",
      "importance": 1,
      "event": "タイ・ナコンラチャシマ県に新工場が稼動",
      "detail": "Casio (Thailand) Co., Ltd.",
      "significance": "東南アジア生産体制の強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "社長交代（樫尾和雄→樫尾和宏）",
      "detail": "創業家内での事業承継",
      "significance": "創業家3代目の社長就任",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/1",
      "category": "組織再編",
      "region": "中国",
      "importance": 1,
      "event": "カシオ(中国)貿易にカシオ(広州)商貿の営業機能を統合",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "営業利益421億円・当期純利益311億円",
      "detail": "時計事業中心の高収益モデルが定着",
      "significance": "G-SHOCKを軸とした時計事業の高収益化が数字で明確化",
      "source": "有価証券報告書",
      "amount": "営業利益421億円"
    },
    {
      "date": "2016/8",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "広東省韶関市にカシオ電子(韶関)を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/5",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "山形県東根市に山形カシオ新工場が稼動",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "デジタルカメラ事業から撤退",
      "detail": "コンパクトデジカメ市場縮小",
      "significance": "スマートフォン拡大によるデジカメ需要消失を受けた撤退判断",
      "source": ""
    },
    {
      "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": "2022/6",
      "category": "社長交代",
      "region": "",
      "importance": 3,
      "event": "社長交代（樫尾和宏→増田裕一）",
      "detail": "非創業家出身初の社長CEO",
      "significance": "カシオ初の非創業家社長CEO。ガバナンス転換の象徴的イベント",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/11",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "ランサムウェア攻撃でサプライチェーンが一時停止",
      "detail": "クリスマス商戦期の製品供給に遅延",
      "significance": "サイバーセキュリティリスクが経営アジェンダに",
      "source": "決算説明会 FY24-2Q"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "通期売上2,617億円・営業利益142億円・純利益80億円",
      "detail": "構造改革による資産整理",
      "significance": "",
      "source": "有価証券報告書",
      "amount": "営業利益142億円、純利益80億円"
    },
    {
      "date": "2025/4",
      "category": "社長交代",
      "region": "",
      "importance": 3,
      "event": "社長交代（増田裕一→高野晋）",
      "detail": "非創業家社長の電撃退任と『3代社長の懐刀』への交代",
      "significance": "『非創業家社長』の短命退任。ガバナンスと創業家支配の関係が注目される",
      "source": "電波新聞デジタル 2025/4"
    },
    {
      "date": "2025/5",
      "category": "株主対応",
      "region": "",
      "importance": 3,
      "event": "サウンド・電子辞書事業の構造改革と資本コスト基準での事業選別を表明",
      "detail": "時計・教育関数を2本柱に再定義",
      "significance": "『資本コストを上回る収益が確保できるか』を事業存続基準に",
      "source": "決算説明会 FY24-1Q"
    }
  ]
}