{
  "timeline": [
    {
      "date": "1899/7",
      "category": "会社設立",
      "region": "",
      "importance": 4,
      "event": "米W.E.社との合弁で日本電気株式会社を設立",
      "detail": "日本初の外資系合弁メーカー",
      "significance": "日本の通信機産業の出発点",
      "source": "有価証券報告書"
    },
    {
      "date": "1918/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "W.E.社が海外投資部門を分離しI.W.E.社が当社株を承継",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1925/9",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "I.W.E.社がITT傘下に入り親会社がISE社に改称",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1932/6",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "ISE社が当社の経営を住友本社に委託",
      "detail": "",
      "significance": "住友グループとの関係が始まる",
      "source": "有価証券報告書"
    },
    {
      "date": "1941/12",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "ISE社所有の当社株式が敵国資産として処分",
      "detail": "戦時下で外資と資本提携解消",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1943/2",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "社名を住友通信工業株式会社に変更",
      "detail": "戦時統制下の改称",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1945/11",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "社名を日本電気株式会社に戻す",
      "detail": "戦後の社名復帰",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/5",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1951/11",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "ISE社と資本提携を復活",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "事業部制を採用",
      "detail": "通信機・電波機器・電子機器・電子部品など6事業部",
      "significance": "多角化体制の整備",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/10",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東証一部に移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1963/1",
      "category": "",
      "region": "米州",
      "importance": 2,
      "event": "米国にニッポン・エレクトリック・ニューヨーク社を設立",
      "detail": "現NEC Corporation of America",
      "significance": "米国市場への本格進出",
      "source": "有価証券報告書"
    },
    {
      "date": "1975/9",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "中央研究所完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1978/1",
      "category": "経営計画",
      "region": "",
      "importance": 4,
      "event": "小林宏治会長が『C&C（コンピュータと通信の融合）』を提唱",
      "detail": "インテルコム'78での講演",
      "significance": "後のパソコン・情報通信事業の理念的起点",
      "source": ""
    },
    {
      "date": "1982/10",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "PC-9800シリーズ発売",
      "detail": "日本のパソコン市場標準機",
      "significance": "1990年代前半まで国内PC市場で圧倒的シェア",
      "source": ""
    },
    {
      "date": "1993/7",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "事業本部制を採用（22事業本部）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "社内カンパニー制と執行役員制を導入",
      "detail": "NECソリューションズ・NECネットワークス・NECエレクトロンデバイスの3カンパニー",
      "significance": "IT・通信・半導体の3柱体制",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/11",
      "category": "組織再編",
      "region": "",
      "importance": 4,
      "event": "半導体事業を分社化しNECエレクトロニクスを設立",
      "detail": "",
      "significance": "半導体事業の切り離しの始まり",
      "source": ""
    },
    {
      "date": "2003/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "社内カンパニー制から事業ライン制に移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "事業ライン制からビジネスユニット制に移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/6",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "NECソフト・NECシステムテクノロジーを完全子会社化",
      "detail": "後に合併しNECソリューションイノベータへ",
      "significance": "SI事業の統合",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/5",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "NECインフロンティアを完全子会社化",
      "detail": "現NECプラットフォームズ",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/3",
      "category": "",
      "region": "",
      "importance": 5,
      "event": "連結最終赤字2,966億円を計上",
      "detail": "リーマンショック直撃",
      "significance": "上場後最大の赤字。後の森田社長が『倒産するかも』と振り返った経営危機",
      "source": "有価証券報告書",
      "amount": "純損失▲2,966億円"
    },
    {
      "date": "2009/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "矢野薫から遠藤信博に社長交代",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/4",
      "category": "組織再編",
      "region": "",
      "importance": 4,
      "event": "NECエレクトロニクスとルネサステクノロジが経営統合しルネサスエレクトロニクス発足",
      "detail": "半導体事業の切り離し",
      "significance": "祖業の一翼だった半導体から実質撤退",
      "source": ""
    },
    {
      "date": "2011/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY10連結最終赤字125億円",
      "detail": "構造改革費用の継続計上",
      "significance": "",
      "source": "有価証券報告書",
      "amount": "純損失▲125億円"
    },
    {
      "date": "2012/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY11連結最終赤字1,103億円",
      "detail": "米子会社NEC Corporation of Americaのれん減損等",
      "significance": "2年連続の大規模赤字で事業整理加速",
      "source": "有価証券報告書",
      "amount": "純損失▲1,103億円"
    },
    {
      "date": "2013/7",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "NECカシオモバイルコミュニケーションズがスマホ新機種開発から撤退",
      "detail": "",
      "significance": "国内電機メーカーのスマホ事業撤退の象徴",
      "source": ""
    },
    {
      "date": "2014/4",
      "category": "事業売却",
      "region": "",
      "importance": 3,
      "event": "BIGLOBEをKKR系ファンドに売却",
      "detail": "",
      "significance": "非コア事業の整理",
      "source": "",
      "amount": "売却額約700億円"
    },
    {
      "date": "2014/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "遠藤信博から新野隆に社長交代",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "新野隆が社長CEOに",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/1",
      "category": "構造改革",
      "region": "",
      "importance": 3,
      "event": "構造改革で国内2,170名の人員削減を発表",
      "detail": "",
      "significance": "不採算事業縮小の本格化",
      "source": ""
    },
    {
      "date": "2020/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "新野隆から森田隆之に社長兼CEO交代",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/4",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "2025中期経営計画を発表",
      "detail": "BluStellar戦略の基礎となる構造改革と先行投資の方針",
      "significance": "発表翌日に株価14%下落、市場は懐疑的",
      "source": "決算説明会 FY24"
    },
    {
      "date": "2022/4",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "NECフィールディングを完全子会社化",
      "detail": "公開買付",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東証プライム市場へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/4",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "BluStellar戦略を本格始動",
      "detail": "シナリオ・オファリング型への事業モデル転換",
      "significance": "個別商材売りからDXプラットフォーム型への転換宣言",
      "source": "決算説明会 FY24"
    },
    {
      "date": "2023/6",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "監査役会設置会社から指名委員会等設置会社に移行",
      "detail": "",
      "significance": "ガバナンス体制の刷新",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY23連結売上収益34,772億円・営業利益1,880億円",
      "detail": "BluStellar効果で利益回復",
      "significance": "",
      "source": "有価証券報告書",
      "amount": "売上3兆4,772億円/営業利益1,880億円"
    },
    {
      "date": "2025/3",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "NECネッツエスアイを完全子会社化",
      "detail": "公開買付",
      "significance": "グループ再編の継続",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "FY24連結売上収益34,234億円・営業利益2,565億円",
      "detail": "過去最高水準の営業利益",
      "significance": "2025中計完走の数字",
      "source": "有価証券報告書",
      "amount": "売上3兆4,234億円/営業利益2,565億円"
    },
    {
      "date": "2025/10",
      "category": "企業買収",
      "region": "米州",
      "importance": 3,
      "event": "米CSG Systems International買収を発表",
      "detail": "テレコム/BB向けソフト企業",
      "significance": "北米ソフトウェア事業拡大の中核M&A",
      "source": "決算説明会 FY25-2Q",
      "amount": "買収総額約29億米ドル/約4,417億円"
    },
    {
      "date": "2025/11",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "従来型の5G基地局（RU・CU）事業を2025年度末で終息すると発表",
      "detail": "",
      "significance": "通信機器メーカーとしての祖業の一部撤退",
      "source": "決算説明会 FY25-3Q",
      "amount": "営業損益で年間50億円強の継続改善"
    }
  ]
}