{
  "timeline": [
    {
      "date": "2014/9",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "当社設立（準備会社として設立）",
      "detail": "",
      "significance": "富士通・パナソニックのSoC事業統合の受け皿会社として発足",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/3",
      "category": "組織再編",
      "region": "",
      "importance": 5,
      "event": "富士通・パナソニック両社のSoC事業を統合し事業開始",
      "detail": "両社の会社分割によりSoC事業を承継",
      "significance": "日本の大手電機メーカー半導体事業再編の象徴的事例。国内ファブレス最大級の統合",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/1",
      "category": "企業買収",
      "region": "米州",
      "importance": 2,
      "event": "Bayside Design Inc.を買収",
      "detail": "子会社Socionext America Inc.が全株式取得",
      "significance": "北米の設計能力強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/4",
      "category": "",
      "region": "中国",
      "importance": 1,
      "event": "Socionext Taiwan Inc.を設立",
      "detail": "台湾支店を法人化",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/8",
      "category": "事業売却",
      "region": "",
      "importance": 1,
      "event": "XVTEC Ltd.と投資契約を締結（持分法適用関連会社）",
      "detail": "2021年8月に全株式譲渡・解消",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/4",
      "category": "経営計画",
      "region": "",
      "importance": 4,
      "event": "カスタムSoC「Solution SoC」に注力事業を転換",
      "detail": "顧客別カスタム設計事業へリソースシフト、営業・開発体制を強化",
      "significance": "汎用品中心から顧客別カスタム設計専業への戦略転換",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "Socionext America Inc.がBayside Designを吸収合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/1",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "Socionext Embedded Software Austria GmbH株式を譲渡",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/3",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "Socionext Global Platform Inc.の合弁解消・解散",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/5",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "京都開発拠点を京都リサーチパークに集約",
      "detail": "4拠点を統合",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "肥塚雅博氏が代表取締役会長兼社長兼CEOに就任",
      "detail": "IPOを主導する経営体制",
      "significance": "上場準備局面での経営トップ就任",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/3",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "監査等委員会設置会社へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/10",
      "category": "株式上場",
      "region": "",
      "importance": 4,
      "event": "東京証券取引所プライム市場に株式上場",
      "detail": "統合から7年後のIPO",
      "significance": "大株主（富士通・パナソニック・日本政策投資銀行）からの独立と資本市場での自立",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/11",
      "category": "",
      "region": "中国",
      "importance": 2,
      "event": "台湾支店を開設",
      "detail": "グローバル生産・調達体制の構築",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "過去最高の売上高・営業利益を達成",
      "detail": "",
      "significance": "IPO直後の急成長局面。半導体需要拡大を捉える",
      "source": "有価証券報告書",
      "amount": "売上高1,927億円, 営業利益217億円"
    },
    {
      "date": "2023/8",
      "category": "",
      "region": "その他",
      "importance": 2,
      "event": "インド・ベンガルールに設計開発拠点を開設",
      "detail": "Socionext America Inc.の支店として",
      "significance": "設計リソースのインド展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "過去最高益を更新",
      "detail": "",
      "significance": "カスタムSoC事業の収益性ピーク",
      "source": "有価証券報告書",
      "amount": "売上高2,212億円, 営業利益355億円"
    },
    {
      "date": "2024/7",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "高蔵寺事業所を移転し名古屋事業所を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "売上高・営業利益とも減少",
      "detail": "中国通信機器向け需要減と在庫調整影響",
      "significance": "初の減収減益。急成長局面から調整局面へ",
      "source": "有価証券報告書",
      "amount": "売上高1,885億円, 営業利益250億円"
    },
    {
      "date": "2025/10",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "通期予想を下方修正",
      "detail": "新規量産品立上げ時の製品売上原価率悪化と先行開発費増加が要因",
      "significance": "大型商談獲得後の量産立上げコストが利益を圧迫",
      "source": "IR"
    },
    {
      "date": "2025/10",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "チップレット設計ライブラリー「Flexlets」を公表",
      "detail": "RTLレベルでカスタマイズ可能なチップレット設計ライブラリー",
      "significance": "モノリシックSoCの物理・経済的限界に対する次世代戦略の提示",
      "source": "IR"
    }
  ]
}