{
  "spec_version": "5",
  "endpoint": "history",
  "stock_code": "8359",
  "company_name": "八十二長野銀行",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/8359/decisions/",
  "api_url": "/api/8359/history.json",
  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8359/decisions/",
  "source": {
    "chapters": {
      "html_url": "https://the-shashi.com/tse/8359/",
      "primary": [
        "社史",
        "有価証券報告書",
        "新聞・雑誌記事"
      ],
      "extraction": "一次資料を読み合わせて執筆"
    },
    "long_term": {
      "primary": [
        "有価証券報告書"
      ],
      "extraction": "EDINET の XBRL、旧有価証券報告書、会社年鑑・社史等からの転記",
      "row_field": "reference",
      "caveat": "創業期から現在までを 1 本に繋いだ長期系列のため、年代により出所・単位・連結範囲が変わる。行ごとの reference / unit / consolidation を必ず参照すること"
    }
  },
  "title": "八十二長野銀行の歴史概略",
  "eras": [
    {
      "title": "第十九国立銀行と第六十三国立銀行の設立",
      "start_year": 1877,
      "end_year": 1906,
      "phase": "founding"
    },
    {
      "title": "製糸業の盛衰と第十九・六十三銀行の経営",
      "start_year": 1907,
      "end_year": 1930
    },
    {
      "title": "第十九銀行と六十三銀行の合併による八十二銀行の誕生",
      "start_year": 1931,
      "end_year": 1961,
      "phase": "transformation"
    },
    {
      "title": "外国為替業務の開始と東証一部指定替え",
      "start_year": 1962,
      "end_year": 1997,
      "phase": "growth"
    },
    {
      "title": "長野銀行の子会社化と合併による八十二長野銀行の発足",
      "start_year": 1998,
      "end_year": 2026,
      "phase": "transformation"
    }
  ],
  "overview": [
    {
      "label": "決断",
      "text": "生糸の出荷に資金を供給することで成長した銀行である。創立期の2行は資金量が少なく、製糸への融資は購繭資金の貸付ではなく生糸荷為替の取組が主体だった。第十九国立銀行は1881年8月に諏訪地方へ季節出張所を開設し、製糸家への原料資金の貸出がやや本格化したのは明治20年代である。1890年の金融梗塞では、黒沢鷹次郎頭取が横浜の生糸商が引き受けた為替手形を買い取り、日本銀行に再割引を依頼する方式を考案した。1897年には2行とも国立銀行の営業満期を待たずに株式会社へ転じ、製糸金融を続けた。"
    },
    {
      "label": "現況",
      "text": "現在の主な収益源は、貸出よりも有価証券の運用である。2025年3月期の連結経常収益2,541億円のうち、有価証券関連業務が1,083億円と43%を占め、貸出業務の727億円を上回った。2023年6月に株式交換で長野銀行を完全子会社化し、2026年1月に吸収合併して商号を八十二長野銀行へ改めた。2026年3月期の連結経常収益は3,054億円、経常利益は815億円で、2024年3月期の352億円から2倍超に増加した。リース業も営むが、2026年3月期のセグメント利益817億円のうち97%を銀行業が占めた。"
    }
  ],
  "profile": [
    {
      "key": "founding_business",
      "label": "祖業",
      "value": "上田町での国立銀行業（生糸荷為替）"
    },
    {
      "key": "current_issue",
      "label": "現在の注力課題",
      "value": "長野銀行との合併後の統合と3行アライアンス",
      "tags": [
        "組織統合",
        "提携"
      ]
    }
  ],
  "lineage": {
    "path": "8359-lineage-top.v3.json"
  },
  "timelineLead": "1877年に設立された第十九国立銀行が起源。\n1931年に第十九銀行と六十三銀行が合併し、両行の数字を足した八十二銀行として発足した。長野県を地盤とする地方銀行で、2026年に長野銀行を吸収合併し、静岡銀行・山梨中央銀行とも業務提携している。",
  "lineageLead": "第十九銀行と六十三銀行が1931年に合併して設立された八十二銀行が前身である。\n2023年に長野銀行を完全子会社化し、2026年に吸収合併して八十二長野銀行へ商号を改めた。長野銀行の前身は1950年設立の長野県商工信用組合で、県内の地銀2行を一つの法人に統合した県内再編である。",
  "foundingStory": true,
  "chapters": [
    {
      "start_year": 1877,
      "end_year": 1906,
      "main_title": "第十九国立銀行と第六十三国立銀行の設立",
      "subsections": [
        {
          "title": "上田の第十九国立銀行と、松代の第六十三国立銀行",
          "text": "第十九国立銀行は1877年10月、早川重右衛門氏ら10名を発起人として設立し、本店を上田町に置いた。県内では同年7月に松本の商人が第十四国立銀行を設立しており、第十九国立銀行はこれに続いた。発起人の母体は、佐久の地主の早川重右衛門氏や生糸商の黒沢鷹次郎氏らが1876年6月に長野町で結成した彰真社である。結成の契機は、1874年11月に県の為替方だった小野組が倒産し、製糸業者と生糸商が資金の調達先を失ったこと。上田町は1857年に藩が産物会所を設けて以降、生糸を横浜へ出荷する東信の集散地で、株主も佐久の地主と商人が主体だった。この第十九国立銀行が、1931年8月に六十三銀行と合併して八十二銀行となる第十九銀行の源流である。\n\n第六十三国立銀行は1878年10月、真田家10万石の城下町で士族の多い松代町に設立した。廃藩後の松代では、士族の授産として蚕糸業の振興が一層求められた。士族の大里忠一郎氏らの六工社は小野組の援助で1874年8月に繰糸を始め、3か月足らずで小野組の破綻に遭い資金難に陥った。これを受けて吉池文之助氏と士族の八田知道氏ら8名が発起人となり、初代頭取には吉池文之助氏が就任し、士族からも2名が役員に加わった。株主数の94%を士族が占め、設立の経緯から六工社をはじめ製糸工場へ積極的に融資した。こうして県内には、のちに合併して八十二銀行となる2行の前身が東信と北信に並んだ。",
          "references": [
            {
              "title": "八十二銀行『八十二銀行史』1968年「国立銀行の創立と経緯」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「明治初期の県下金融機関」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "会社銀行八十年史 1955「八十二銀行」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「県下銀行の製糸金融」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「製糸金融の特異性」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「問屋引受手形の考案」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「私立銀行として営業継続」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「私立銀行への衣更え」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "証券 23(10)",
              "year": 1971,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            }
          ],
          "start_year": 1877
        },
        {
          "title": "生糸荷為替と、株式会社第十九銀行・六十三銀行",
          "text": "創立期の2行が製糸に資金を供給した主な手段は、購繭資金の貸付でなく生糸荷為替の取組だった。第十九国立銀行は地元生糸問屋の荷為替を最大の融資対象とし、1881年8月に諏訪地方へ季節出張所を開設した。製糸家への原料資金の貸出がやや本格化したのは、取引条件が改善した明治20年代である。繭は6月から10月初旬の約4か月に現金で一括して仕入れるため、製糸金融に求められたのは、短期に巨額の季節資金。1890年の金融梗塞では、黒沢鷹次郎頭取が問屋引受の為替手形を買い取り、日本銀行に再割引を依頼する方式を考案した。季節の購繭資金の貸出は、1955年時点でも八十二銀行の貸出の特徴として挙げられた。\n\n国立銀行の営業満期を開業許可から満20年と定めたのは、1883年の国立銀行条例改正である。1896年には満期前特別処分法なども公布され、満期前の私立銀行への移行が大勢となった。第十九国立銀行の営業期限は1897年10月9日で、1896年11月1日の臨時株主総会で私立銀行として営業を続けることを決めた。1897年3月1日に株式会社第十九銀行として発足し、資本金を20万円から60万円に増やして4月1日に岡谷支店を開設した。第六十三国立銀行は存立期限の1898年10月27日を待たず、1897年7月1日に株式会社六十三銀行へ移った。1931年8月、2行は合併比率1対0.75で合併し、株式会社八十二銀行を設立。紙幣発行の特権を失った2行は、製糸地への融資を収益の中心に据えて次の時代に臨んだと推察される。",
          "references": [
            {
              "title": "八十二銀行『八十二銀行史』1968年「国立銀行の創立と経緯」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
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            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「明治初期の県下金融機関」",
              "year": null,
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              "date": null,
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              "title": "会社銀行八十年史 1955「八十二銀行」",
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            {
              "title": "八十二銀行『八十二銀行史』1968年「県下銀行の製糸金融」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「製糸金融の特異性」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
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            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「問屋引受手形の考案」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
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            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「私立銀行として営業継続」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "八十二銀行『八十二銀行史』1968年「私立銀行への衣更え」",
              "year": null,
              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            },
            {
              "title": "証券 23(10)",
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              "month": null,
              "date": null,
              "url": null,
              "quotes": []
            }
          ],
          "start_year": 1879,
          "opinionPos": [
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      "net_profit": 267,
      "net_margin": 17.647,
      "employees": 3569,
      "reference": null
    },
    {
      "year": 2023,
      "month": 3,
      "company_name": "八十二長野銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "売上高",
      "sales": 1980,
      "operating_profit_jp": "営業利益",
      "operating_profit": 349,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 349,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 241,
      "net_margin": 12.171,
      "employees": 3531,
      "reference": null
    },
    {
      "year": 2024,
      "month": 3,
      "company_name": "八十二長野銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 2122,
      "operating_profit_jp": "営業利益",
      "operating_profit": 352,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 352,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 371,
      "net_margin": 17.483,
      "employees": 4140,
      "reference": null
    },
    {
      "year": 2025,
      "month": 3,
      "company_name": "八十二長野銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 2542,
      "operating_profit_jp": "営業利益",
      "operating_profit": 638,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 638,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 480,
      "net_margin": 18.882,
      "employees": 4121,
      "reference": null
    },
    {
      "year": 2026,
      "month": 3,
      "company_name": "八十二長野銀行",
      "consolidation": "連結",
      "accounting_standard": "JGAAP",
      "unit": "億円",
      "sales_jp": "経常収益",
      "sales": 3054,
      "operating_profit_jp": "営業利益",
      "operating_profit": 815,
      "ordinary_profit_jp": "経常利益",
      "ordinary_profit": 815,
      "net_profit_jp": "親会社株主に帰属する当期純利益",
      "net_profit": 646,
      "net_margin": 21.152,
      "employees": 4128,
      "reference": null
    }
  ]
}
