{
  "timeline": [
    {
      "date": "1933/5",
      "category": "会社設立",
      "region": "",
      "importance": 4,
      "event": "立石一真が大阪で立石電機製作所を創業",
      "detail": "レントゲン写真撮影用タイマの製造を開始",
      "significance": "立石一真個人による技術起業。戦前関西の計測機器メーカーの起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1936/7",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "大阪市西淀川区野里町に工場を新設移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1945/6",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "京都市右京区花園土堂町に工場を移転",
      "detail": "戦災を避けて京都へ",
      "significance": "オムロン本社が京都に根付く起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1948/5",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "資本金200万円で株式会社に改組",
      "detail": "立石電機株式会社に商号変更",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1955/1",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "プロデューサ・システム（分権型生産子会社方式）を創案",
      "detail": "販売部門・研究部門を各々分離独立。生産子会社を順次設立（計9社）",
      "significance": "立石一真流の独自組織論。後のカンパニー制の原型",
      "source": "有価証券報告書"
    },
    {
      "date": "1959/1",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "商標「OMRON」を制定",
      "detail": "立石電機研究所を吸収合併",
      "significance": "「オムロン」ブランドの誕生",
      "source": "有価証券報告書"
    },
    {
      "date": "1960",
      "category": "研究開発",
      "region": "",
      "importance": 3,
      "event": "世界初の無接点近接スイッチを開発",
      "detail": "",
      "significance": "半導体技術を応用した制御機器の先駆。FA事業の技術基盤",
      "source": "有価証券報告書"
    },
    {
      "date": "1960/10",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "京都府長岡町に中央研究所を竣工",
      "detail": "",
      "significance": "R&D機能の集約",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/4",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "京都・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",
      "category": "研究開発",
      "region": "",
      "importance": 3,
      "event": "世界初の電子式自動感応式信号機を開発",
      "detail": "",
      "significance": "交通インフラへの制御技術応用。社会システム事業の原点",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "大阪証券取引所市場第一部に指定替え上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1966/9",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東証・名証市場第一部に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1967/3",
      "category": "研究開発",
      "region": "",
      "importance": 3,
      "event": "世界初の無人駅システムが阪急北千里駅で稼動",
      "detail": "",
      "significance": "社会システム事業の象徴的導入事例。自動改札機技術の原型",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/2",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "オムロン太陽株式会社を設立",
      "detail": "障がい者雇用の先駆的事例",
      "significance": "障がい者雇用の事業化。立石一真の社会貢献思想の具現化",
      "source": "有価証券報告書"
    },
    {
      "date": "1973",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "オムロンの血圧計1号機を開発",
      "detail": "",
      "significance": "ヘルスケア事業の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "東京支社を東京本社に昇格し二本社制に移行",
      "detail": "同時に欧州・アジア地域統轄会社を設立",
      "significance": "グローバル統治体制の構築",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/4",
      "category": "",
      "region": "米州",
      "importance": 2,
      "event": "米国に北米地域統轄会社を設立",
      "detail": "",
      "significance": "3極統轄体制の完成",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/1",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "社名を「オムロン株式会社」に変更",
      "detail": "立石電機からの商号変更",
      "significance": "創業家名から離れグローバルブランドとしてオムロンを正式採用",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "本社を京都市下京区に移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/4",
      "category": "",
      "region": "中国",
      "importance": 2,
      "event": "中国で初の独資生産会社オムロン大連有限公司が稼動",
      "detail": "",
      "significance": "中国製造拠点の本格展開",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/4",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "事業部制を廃止しカンパニー制を導入",
      "detail": "",
      "significance": "プロデューサ・システムの延長としてカンパニー制を全社導入",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/7",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "ヘルスケア事業を分社しオムロンヘルスケア株式会社を設立",
      "detail": "同時に京阪奈イノベーションセンタを開設",
      "significance": "血圧計事業の独立運営体制を確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/10",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "伊BITRONを子会社化し車載電装部品事業を拡大",
      "detail": "同時にATM事業を日立と統合（日立オムロンターミナルソリューションズ）",
      "significance": "車載事業の海外展開と情報機器事業の切離し",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "リーマンショックで純損失▲291億円を計上",
      "detail": "",
      "significance": "100年に一度の金融危機でFA需要が急減。過去最大級の赤字",
      "source": "有価証券報告書",
      "amount": "純損失▲291億円"
    },
    {
      "date": "2010/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "事業別分社化を推進",
      "detail": "スイッチ・車載・社会システム各事業を分社",
      "significance": "事業ポートフォリオの独立運営体制確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2011",
      "category": "社長交代",
      "region": "",
      "importance": 3,
      "event": "山田義仁氏が代表取締役社長に就任",
      "detail": "",
      "significance": "長期ビジョン策定を担う経営体制",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/9",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "米Delta Tau Data Systemsを子会社化",
      "detail": "モーション制御機器メーカー",
      "significance": "FA高度化戦略の一環",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/10",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "米Adept Technologyを子会社化",
      "detail": "産業用ロボットメーカー。現OMRON ROBOTICS AND SAFETY TECHNOLOGIES",
      "significance": "自律搬送ロボット領域への本格参入",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/7",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "産業用カメラメーカーのセンテックを子会社化",
      "detail": "",
      "significance": "マシンビジョン領域の補強",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/10",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "米Microscan Systemsを子会社化",
      "detail": "産業用コードリーダーメーカー",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "世界初のウェアラブル血圧計を発売",
      "detail": "",
      "significance": "ヘルスケア事業の戦略製品",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/10",
      "category": "事業売却",
      "region": "",
      "importance": 4,
      "event": "車載電装部品事業をニデックへ譲渡",
      "detail": "オムロンオートモーティブエレクトロニクスの全株式",
      "significance": "非中核事業の切離し。選択と集中の大型事例",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/3",
      "category": "事業売却",
      "region": "",
      "importance": 3,
      "event": "日立オムロンターミナルソリューションズ株式を日立に譲渡",
      "detail": "ATM事業からの完全撤退",
      "significance": "情報機器事業からの最終撤退",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/10",
      "category": "事業売却",
      "region": "",
      "importance": 2,
      "event": "MEMS事業を分社しミツミ電機に譲渡",
      "detail": "",
      "significance": "周辺事業の切離し継続",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/2",
      "category": "業務提携",
      "region": "",
      "importance": 3,
      "event": "医療統計データのJMDCと資本業務提携",
      "detail": "2023年10月に子会社化",
      "significance": "データヘルス領域への本格参入",
      "source": "有価証券報告書"
    },
    {
      "date": "2022",
      "category": "社長交代",
      "region": "",
      "importance": 3,
      "event": "辻永順太氏が代表取締役社長CEOに就任",
      "detail": "",
      "significance": "山田体制から次世代経営への交代",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/10",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "JMDCを連結子会社化",
      "detail": "",
      "significance": "データヘルスプラットフォームの獲得",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "大幅減益",
      "detail": "FA市況低迷と中国減速の直撃",
      "significance": "過去最高益局面から一転して構造改革必要性が顕在化",
      "source": "有価証券報告書",
      "amount": "売上収益8,188億円, 当期利益81億円"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "減収・低水準利益が継続",
      "detail": "",
      "significance": "業績回復局面への移行途上",
      "source": "有価証券報告書",
      "amount": "売上収益8,018億円, 当期利益163億円"
    }
  ]
}