{
  "timeline": [
    {
      "date": "1969/4",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "米GE開発の超精密ろ過膜の日本・極東独占販売を目的に東京都中央区日本橋本石町で設立",
      "detail": "GE製ニュクリポアー・メンブレンの代理店として創業",
      "significance": "会社の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/12",
      "category": "合弁設立",
      "region": "米州",
      "importance": 2,
      "event": "GE社と共同でNuclepore Corporation（NPC）を設立しNPC社株式23％を取得",
      "detail": "GEとの合弁で米国製造側に資本参加",
      "significance": "膜事業の上流統合",
      "source": "有価証券報告書",
      "amount": "出資比率23%"
    },
    {
      "date": "1973/11",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "北興化学工業のニュクリポアー部門の人員・資産を統合",
      "detail": "膜事業を会社内に一体化",
      "significance": "事業基盤確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1974/1",
      "category": "業務提携",
      "region": "米州",
      "importance": 3,
      "event": "米アクアメディア社の超純水技術を導入し超純水製造システム事業に進出",
      "detail": "超純水事業への参入",
      "significance": "主力事業（超純水）の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1976/3",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "ROによるパイロジェン除去システムを開発し国内製薬会社に納入",
      "detail": "RO膜による医薬向けシステム",
      "significance": "医薬向け事業の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1977/7",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本社を東京都中央区日本橋鍛冶町に移転",
      "detail": "本社移転",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1980/7",
      "category": "合弁設立",
      "region": "",
      "importance": 2,
      "event": "日本アクアメディア（後の株式会社ナムテック）を米アクアメディア・日揮との3社合弁で設立（出資33.3％）",
      "detail": "逆浸透装置の国産化合弁",
      "significance": "RO装置国産化の起点",
      "source": "有価証券報告書",
      "amount": "出資比率33.3%"
    },
    {
      "date": "1981/2",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本社を東京都千代田区大手町に移転",
      "detail": "本社移転",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1983/2",
      "category": "海外進出",
      "region": "その他",
      "importance": 3,
      "event": "韓国三星半導体通信に超純水装置を輸出し韓国市場に進出",
      "detail": "韓国半導体顧客との関係構築",
      "significance": "半導体顧客との取引開始",
      "source": "有価証券報告書"
    },
    {
      "date": "1983/11",
      "category": "事業売却",
      "region": "欧州",
      "importance": 1,
      "event": "GEとともにNPC社株式をスウェーデン・ボニエールグループに譲渡",
      "detail": "NPC合弁の出口",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1984/9",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "厚木営業所を開設",
      "detail": "営業拠点開設",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1987/7",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "台湾・極水股份有限公司に超純水装置を納入し台湾市場に進出",
      "detail": "台湾市場進出",
      "significance": "アジア展開の拡大",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/8",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "新社屋を厚木市岡田に建設し本社を移転",
      "detail": "本社・研究拠点を厚木に集約",
      "significance": "本社所在地の確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/12",
      "category": "合弁設立",
      "region": "その他",
      "importance": 3,
      "event": "三星電子向けメンテナンス受注のため韓国に野村テクノを合弁設立（出資50％）",
      "detail": "韓国メンテ拠点の設立",
      "significance": "海外メンテ事業の起点",
      "source": "有価証券報告書",
      "amount": "出資比率50%"
    },
    {
      "date": "1995/5",
      "category": "海外進出",
      "region": "その他",
      "importance": 1,
      "event": "台湾支店を開設（新竹市・2015年10月閉鎖）",
      "detail": "台湾拠点開設",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1996/1",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "米国に100％子会社野村マイクロ・サイエンスUSAを設立（2002年5月清算）",
      "detail": "米国子会社設立",
      "significance": "北米進出",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/9",
      "category": "海外進出",
      "region": "欧州",
      "importance": 2,
      "event": "英国に100％子会社野村マイクロ・サイエンスUKを設立（2001年11月清算）",
      "detail": "英国子会社設立",
      "significance": "欧州進出",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/10",
      "category": "合弁設立",
      "region": "",
      "importance": 1,
      "event": "ピュアレックスとの合弁で株式会社野村ピュアを設立（出資71％）",
      "detail": "特許事業化合弁",
      "significance": "",
      "source": "有価証券報告書",
      "amount": "出資比率71%"
    },
    {
      "date": "1999/8",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "株式会社ナムテックを100％子会社化",
      "detail": "合弁先持分取得",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/3",
      "category": "合弁設立",
      "region": "欧州",
      "importance": 1,
      "event": "オーストリア・アグルー社との合弁で株式会社アグルー・ジャパンを設立（出資80％）",
      "detail": "PVDF製品販売合弁",
      "significance": "",
      "source": "有価証券報告書",
      "amount": "出資比率80%"
    },
    {
      "date": "2001/2",
      "category": "合弁設立",
      "region": "中国",
      "importance": 3,
      "event": "台湾Hantech社との合弁で中国に上海野村水処理国際貿易有限公司を設立（出資70％）",
      "detail": "中国市場進出合弁",
      "significance": "中国市場展開の起点",
      "source": "有価証券報告書",
      "amount": "出資比率70%"
    },
    {
      "date": "2005/8",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "株式会社野村ピュアを100％子会社化",
      "detail": "合弁先持分取得",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/9",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "株式会社アグルー・ジャパンを100％子会社化",
      "detail": "合弁先持分取得",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/9",
      "category": "海外進出",
      "region": "その他",
      "importance": 1,
      "event": "韓国支店を開設（2009年1月閉鎖）",
      "detail": "韓国半導体メーカー対応",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/1",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "ナムテック・アグルー・ジャパンを吸収合併",
      "detail": "グループ再編",
      "significance": "事業一体化",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/1",
      "category": "合弁設立",
      "region": "中国",
      "importance": 3,
      "event": "台湾Hantech社との合弁で中国に上海野村水処理工程有限公司を設立（出資70％・現100％）",
      "detail": "中国生産・施工拠点の設立",
      "significance": "中国事業の本格化",
      "source": "有価証券報告書",
      "amount": "出資比率70%"
    },
    {
      "date": "2006/2",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "米国に100％子会社野村マイクロ・サイエンスUSA Ltd.",
      "detail": "Coを設立",
      "significance": "",
      "source": "",
      "amount": "米国再進出"
    },
    {
      "date": "2006/8",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "シンガポールに100％子会社野村マイクロ・サイエンスを設立（2008年12月清算）/ 野村ピュアを吸収合併",
      "detail": "シンガポール進出と国内子会社統合",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/12",
      "category": "事業売却",
      "region": "中国",
      "importance": 1,
      "event": "上海野村水処理国際貿易有限公司の出資持分をHantech社に譲渡",
      "detail": "合弁解消",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/10",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "ジャスダック証券取引所に株式を上場",
      "detail": "ジャスダック上場",
      "significance": "資本市場へのデビュー",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/2",
      "category": "合弁設立",
      "region": "",
      "importance": 2,
      "event": "クラレとの合弁でクラレアクア株式会社を設立（出資45％・2012年3月合弁解消）",
      "detail": "排水処理事業の合弁",
      "significance": "排水処理事業への参入",
      "source": "有価証券報告書",
      "amount": "出資比率45%"
    },
    {
      "date": "2009/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "アグループラスチックを新設分割（出資100％）",
      "detail": "プラスチック配管販売の分社化",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/6",
      "category": "海外進出",
      "region": "中国",
      "importance": 2,
      "event": "上海日村商貿有限公司を設立（出資100％・2015年12月清算）",
      "detail": "中国販売子会社設立",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/1",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "台湾に野村微科學工程股份有限公司を設立（出資100％）",
      "detail": "台湾販売・施工子会社設立",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/11",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "韓国に株式会社ＮＡＤを設立（出資100％）",
      "detail": "海外R&D拠点設立",
      "significance": "海外開発体制の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/5",
      "category": "海外進出",
      "region": "中国",
      "importance": 2,
      "event": "上海野村水処理工程有限公司が広州支店を開設",
      "detail": "中国南部展開",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/11",
      "category": "設備投資",
      "region": "その他",
      "importance": 2,
      "event": "株式会社ＮＡＤ（現野村マイクロ・サイエンスコリア）が韓国京畿道華城市に研究所を設置",
      "detail": "韓国研究所設置",
      "significance": "海外R&D拠点強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/8",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "ベトナムに野村マイクロ・サイエンスVietnamを設立（出資100％・2021年3月清算決議）",
      "detail": "ベトナム進出",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/12",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "AEO制度における特定輸出者の承認取得",
      "detail": "通関簡素化の認定",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/5",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "JASDAQから東京証券取引所市場第二部に市場変更",
      "detail": "二部に市場変更",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/6",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所市場第一部銘柄に指定",
      "detail": "一部指定",
      "significance": "一部指定昇格",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東証プライム市場に移行",
      "detail": "市場区分移行",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/1",
      "category": "企業買収",
      "region": "中国",
      "importance": 2,
      "event": "水翼（上海）成套工程有限公司の全出資持分を取得し野村（上海）水処理工程技術有限公司に商号変更",
      "detail": "中国子会社化",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/11",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "シンガポールに野村マイクロ・サイエンスSingaporeを設立（出資100％）",
      "detail": "シンガポール再進出",
      "significance": "東南アジア展開強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/1",
      "category": "組織再編",
      "region": "中国",
      "importance": 1,
      "event": "上海野村水処理工程有限公司を存続会社として野村（上海）水処理工程技術有限公司を吸収合併",
      "detail": "中国子会社統合",
      "significance": "",
      "source": "有価証券報告書"
    }
  ]
}