{
  "timeline": [
    {
      "date": "1949/3",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "前身の東京精密工具㈱を設立",
      "detail": "ミシン加工用切削工具・精密部品・治具類の製作販売",
      "significance": "精密測定機器メーカーとしての出発点",
      "source": "有価証券報告書",
      "amount": "資本金160万円"
    },
    {
      "date": "1953/1",
      "category": "研究開発",
      "region": "",
      "importance": 2,
      "event": "高圧流量式空気マイクロメータの日本初工業化に成功",
      "detail": "",
      "significance": "精密測定技術の確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1957/10",
      "category": "研究開発",
      "region": "",
      "importance": 2,
      "event": "差動変圧式電気マイクロメータの日本初工業化に成功",
      "detail": "",
      "significance": "電気式測定機器分野への先行",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "社名変更（東京精密に改称）",
      "detail": "",
      "significance": "商号変更",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/8",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第二部に株式を上場",
      "detail": "",
      "significance": "資本市場へのデビュー",
      "source": "有価証券報告書"
    },
    {
      "date": "1963/12",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子工場第一期工事完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1967/2",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子工場第二期工事完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "アフターサービス担当の㈱東精エンジニアリングサービスを設立",
      "detail": "",
      "significance": "サービス事業の分社化",
      "source": "有価証券報告書"
    },
    {
      "date": "1969/7",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "土浦工場第一期工事完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1971/1",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子工場本館完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1981/8",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "土浦工場に三次元座標測定機専用工場完成",
      "detail": "",
      "significance": "座標測定機事業の専用拠点化",
      "source": "有価証券報告書"
    },
    {
      "date": "1985/10",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "ソフトウェア開発担当の㈱トーセーシステムズを設立",
      "detail": "",
      "significance": "ソフトウェア事業の分社化",
      "source": "有価証券報告書"
    },
    {
      "date": "1986/9",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第一部銘柄に指定",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/3",
      "category": "海外進出",
      "region": "欧州",
      "importance": 3,
      "event": "西ドイツにTOKYO SEIMITSU EUROPE GmbHを設立",
      "detail": "海外営業展開の拠点",
      "significance": "欧州市場参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/10",
      "category": "海外進出",
      "region": "米州",
      "importance": 3,
      "event": "米国にTOKYO SEIMITSU AMERICA INC.を設立",
      "detail": "海外営業展開の拠点",
      "significance": "米国市場参入",
      "source": "有価証券報告書"
    },
    {
      "date": "1992/10",
      "category": "企業買収|海外進出",
      "region": "米州",
      "importance": 3,
      "event": "米国SILICON TECHNOLOGY CORPORATIONを買収",
      "detail": "海外生産拠点の確保",
      "significance": "海外生産能力の獲得",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/4",
      "category": "組織再編",
      "region": "米州",
      "importance": 1,
      "event": "米国子会社統括管理目的でTSK AMERICA INC.を設立",
      "detail": "持株会社",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/7",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子第2工場完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/1",
      "category": "組織再編",
      "region": "米州",
      "importance": 2,
      "event": "北米地域TSK AMERICA INC.を存続会社とし米国内子会社4社を統合合併",
      "detail": "北米事業の効率化",
      "significance": "北米拠点の集約",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/2",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "子会社㈱マイクロ・テクノロジを増資・組織変更",
      "detail": "ウェーハ外観検査装置の生産担当に位置付け",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "子会社㈱東精エンジニアリングの土浦本社・工場完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/3",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子工場新本館完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/6",
      "category": "株式上場|親子上場",
      "region": "",
      "importance": 2,
      "event": "子会社㈱東精エンジニアリングが東証二部上場",
      "detail": "",
      "significance": "親子上場体制",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/10",
      "category": "海外進出",
      "region": "中国",
      "importance": 3,
      "event": "中国に東精精密設備（上海）有限公司を設立",
      "detail": "販売・物流・保守サービス拠点",
      "significance": "中国市場参入",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/3",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子第3工場および土浦新本館完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/10",
      "category": "組織再編|上場廃止",
      "region": "",
      "importance": 3,
      "event": "株式交換で子会社㈱東精エンジニアリングを完全子会社化",
      "detail": "東京証券取引所上場廃止",
      "significance": "親子上場の解消",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/1",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "韓国の旧現地法人をACCRETECH KOREA CO. LTD.として増資・組織変更",
      "detail": "韓国半導体市場の販売・サービス強化",
      "significance": "韓国事業の拡張",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "子会社㈱アクレーテク・マイクロテクノロジを吸収合併",
      "detail": "ウェーハ外観検査装置事業の競争力強化",
      "significance": "事業統合",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/3",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "子会社㈱東精エンジニアリングの土浦半導体工場完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "土浦工場CMM棟完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/4",
      "category": "海外進出",
      "region": "米州",
      "importance": 1,
      "event": "米国支店を北米地域での販売拠点として開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本店所在地を東京都三鷹市より八王子市へ変更",
      "detail": "",
      "significance": "本社移転",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/6",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子第5工場完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/4",
      "category": "組織再編|海外進出",
      "region": "米州",
      "importance": 2,
      "event": "米国支店を閉鎖し現地法人ACCRETECH AMERICA INC.を設立",
      "detail": "北米販売拠点の法人化",
      "significance": "北米拠点の再構築",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/8",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "精密切断ブレード事業を事業譲受により開始",
      "detail": "",
      "significance": "事業領域の拡張",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/9",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "タイにACCRETECH ADAMAS (THAILAND) CO.LTD.を設立",
      "detail": "精密切断ブレード事業の海外生産拠点",
      "significance": "東南アジア生産拠点の確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/5",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "八王子第6工場完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/2",
      "category": "企業買収|新規事業",
      "region": "",
      "importance": 3,
      "event": "富士通テレコムネットワークス福島の株式取得で子会社化",
      "detail": "充放電試験装置の開発・製造・販売を取り込み電気計測分野に進出",
      "significance": "電気計測分野への事業展開",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/11",
      "category": "企業買収|海外進出",
      "region": "米州",
      "importance": 3,
      "event": "SCHMITT INDUSTRIES INC.のバランサ事業を買収",
      "detail": "米国子会社の名称をACCRETECH SBS INC.に変更",
      "significance": "自動計測ラインナップ強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/2",
      "category": "チャネル改革",
      "region": "",
      "importance": 1,
      "event": "大阪営業所を改装開設",
      "detail": "西日本の事業推進と販売・サポート強化",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/5",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "土浦工場MI棟完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/3",
      "category": "設備投資",
      "region": "その他",
      "importance": 2,
      "event": "子会社ACCRETECH TAIWAN CO.LTD.の新社屋完成および台湾新アプリケーションセンタを設立",
      "detail": "",
      "significance": "台湾事業の拡張",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所の市場区分見直しにより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": "2023/7",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "飯能工場完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    }
  ]
}