{
  "commentary": "- FY80時点では第一生命9.33%・三菱銀行8.94%・日本生命8.39%・明治生命8.37%を中心に旧三菱系の銀行と生保が並ぶ親密株主構造だった。\n- FY24では日本マスタートラスト信託銀行13.03%が筆頭、明治安田生命8.44%・第一生命8.42%の生保二社が続き、信託銀行と生保中心の構造へ移行している。",
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 7.49,
      "shares_held": 16752000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 6.17,
      "shares_held": 13794000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.75,
      "shares_held": 12857000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY（常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 5.63,
      "shares_held": 12578000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.57,
      "shares_held": 12447000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 2.93,
      "shares_held": 6541000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 2.75,
      "shares_held": 6138000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "野村信託銀行株式会社（投信口）",
      "shareholding_ratio": 1.8,
      "shares_held": 4025000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "日本マスタートラスト信託銀行株式会社トヨタ自動車口",
      "shareholding_ratio": 1.76,
      "shares_held": 3929000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "STATE STREET BANK AND TRUST COMPANY 505223（常任代理人 株式会社みずほ銀行 決済営業部）",
      "shareholding_ratio": 1.61,
      "shares_held": 3614000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 7.49,
      "shares_held": 16752000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 6.23,
      "shares_held": 13938000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 6.17,
      "shares_held": 13794000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.15,
      "shares_held": 11516000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 2.93,
      "shares_held": 6541000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "STATE STREET BANK AND TRUST COMPANY（常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 2.84,
      "shares_held": 6358000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 2.75,
      "shares_held": 6138000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "日本マスタートラスト信託銀行株式会社トヨタ自動車口",
      "shareholding_ratio": 1.76,
      "shares_held": 3929000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "STATE STREET BANK AND TRUST COMPANY 505223（常任代理人 株式会社みずほ銀行 決済営業部）",
      "shareholding_ratio": 1.66,
      "shares_held": 3710000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口９）",
      "shareholding_ratio": 1.63,
      "shares_held": 3633000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 7.96,
      "shares_held": 16752000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 6.83,
      "shares_held": 14375000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 6.39,
      "shares_held": 13460000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.46,
      "shares_held": 11498000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 3.16,
      "shares_held": 6658000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "株式会社三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 3.11,
      "shares_held": 6541000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "STATE STREET BANK AND TRUST COMPANY（常任代理人 香港上海銀行 東京支店）",
      "shareholding_ratio": 2.78,
      "shares_held": 5861000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "日本マスタートラスト信託銀行株式会社トヨタ自動車口",
      "shareholding_ratio": 1.86,
      "shares_held": 3929000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.69,
      "shares_held": 3563000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "ＴＯＴＯ株式会社",
      "shareholding_ratio": 1.63,
      "shares_held": 3433000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 8.05,
      "shares_held": 16794000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 8.03,
      "shares_held": 16752000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 6.85,
      "shares_held": 14290000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.01,
      "shares_held": 10456000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 3.81,
      "shares_held": 7964000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 2.09,
      "shares_held": 4380000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "日本マスタートラスト信託銀行株式会社トヨタ自動車口",
      "shareholding_ratio": 1.88,
      "shares_held": 3929000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "野村信託銀行株式会社（信託口）",
      "shareholding_ratio": 1.85,
      "shares_held": 3872000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.7,
      "shares_held": 3563000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "ＴＯＴＯ株式会社",
      "shareholding_ratio": 1.64,
      "shares_held": 3433000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 8.23,
      "shares_held": 16794000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 8.21,
      "shares_held": 16752000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 7.99,
      "shares_held": 16298000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 3.99,
      "shares_held": 8136000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 3.9,
      "shares_held": 7964000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 2.14,
      "shares_held": 4380000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "野村信託銀行株式会社（信託口）",
      "shareholding_ratio": 2.02,
      "shares_held": 4118000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "日本マスタートラスト信託銀行株式会社トヨタ自動車口",
      "shareholding_ratio": 1.92,
      "shares_held": 3929000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口９）",
      "shareholding_ratio": 1.79,
      "shares_held": 3659000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.74,
      "shares_held": 3563000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 8.23,
      "shares_held": 16794000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 8.21,
      "shares_held": 16752000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 7.81,
      "shares_held": 15932000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.94,
      "shares_held": 8041000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 3.63,
      "shares_held": 7404000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 2.14,
      "shares_held": 4380000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "日本マスタートラスト信託銀行株式会社トヨタ自動車口",
      "shareholding_ratio": 1.92,
      "shares_held": 3929000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.74,
      "shares_held": 3563000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "ＴОＴО株式会社",
      "shareholding_ratio": 1.68,
      "shares_held": 3433000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社日本カストディ銀行（信託口７）",
      "shareholding_ratio": 1.63,
      "shares_held": 3322000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 14.68,
      "shares_held": 29935000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 8.23,
      "shares_held": 16794000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 8.21,
      "shares_held": 16752000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.46,
      "shares_held": 9098000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 3.63,
      "shares_held": 7404000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.74,
      "shares_held": 3563000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "ＴОＴО株式会社",
      "shareholding_ratio": 1.68,
      "shares_held": 3433000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "ＪＰ ＭＯＲＧＡＮ ＣＨＡＳＥ ＢＡＮＫ ３８５６３２(常任代理人 株式会社みずほ銀行決済営業部)",
      "shareholding_ratio": 1.64,
      "shares_held": 3349000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "JPモルガン証券株式会社",
      "shareholding_ratio": 1.54,
      "shares_held": 3158000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.43,
      "shares_held": 2920000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 12.94,
      "shares_held": 26392000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 8.23,
      "shares_held": 16794000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 8.21,
      "shares_held": 16752000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 3.55,
      "shares_held": 7238000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 2.64,
      "shares_held": 5384000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.74,
      "shares_held": 3563000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "ＴОＴО株式会社",
      "shareholding_ratio": 1.68,
      "shares_held": 3433000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "野村信託銀行株式会社（投信口）",
      "shareholding_ratio": 1.42,
      "shares_held": 2908000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "日特協力会持株会",
      "shareholding_ratio": 1.37,
      "shares_held": 2797000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "ＪＰモルガン証券株式会社",
      "shareholding_ratio": 1.2,
      "shares_held": 2464000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 13.83,
      "shares_held": 27805000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "明治安田生命保険相互会社",
      "shareholding_ratio": 8.35,
      "shares_held": 16794000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 8.33,
      "shares_held": 16752000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 5.73,
      "shares_held": 11526000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 2.41,
      "shares_held": 4859000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "ＪＰ ＭＯＲＧＡＮ ＣＨＡＳＥ ＢＡＮＫ ３８５６３２（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.95,
      "shares_held": 3936000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 7,
      "name": "日本生命保険相互会社",
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      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/4",
      "company_name_at_period": "日本特殊陶業",
      "rank": 6,
      "name": "三菱信託銀行",
      "shareholding_ratio": 6.15,
      "shares_held": 5720000,
      "total_shares": 93093000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/4",
      "company_name_at_period": "日本特殊陶業",
      "rank": 7,
      "name": "日産火災海上保険",
      "shareholding_ratio": 3.28,
      "shares_held": 3056000,
      "total_shares": 93093000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/4",
      "company_name_at_period": "日本特殊陶業",
      "rank": 8,
      "name": "トヨタ自動車工業",
      "shareholding_ratio": 2.65,
      "shares_held": 2467000,
      "total_shares": 93093000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/4",
      "company_name_at_period": "日本特殊陶業",
      "rank": 9,
      "name": "三和銀行",
      "shareholding_ratio": 2.39,
      "shares_held": 2227000,
      "total_shares": 93093000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/4",
      "company_name_at_period": "日本特殊陶業",
      "rank": 10,
      "name": "東京海上火災保険",
      "shareholding_ratio": 2.13,
      "shares_held": 1984000,
      "total_shares": 93093000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 11.28,
      "shares_held": 25900000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 7.79,
      "shares_held": 17881000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 3,
      "name": "第一生命保険",
      "shareholding_ratio": 7.3,
      "shares_held": 16752000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 4,
      "name": "明治安田生命保険",
      "shareholding_ratio": 6.01,
      "shares_held": 13794000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 5,
      "name": "日本生命保険",
      "shareholding_ratio": 4.43,
      "shares_held": 10179000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 6,
      "name": "三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 4.37,
      "shares_held": 10039000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
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      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 2.28,
      "shares_held": 5228000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 8,
      "name": "損害保険ジャパン",
      "shareholding_ratio": 1.74,
      "shares_held": 4000000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 9,
      "name": "資産管理サービス信託銀行",
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      "shares_held": 3972000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 10,
      "name": "三菱ＵＦＪ信託銀行",
      "shareholding_ratio": 1.65,
      "shares_held": 3797000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 1,
      "name": "第一生命保険",
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      "shares_held": 16752000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 2,
      "name": "ステートストリートバンクアンドトラストカンパニー",
      "shareholding_ratio": 7.16,
      "shares_held": 16442000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 3,
      "name": "明治安田生命保険",
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      "shares_held": 13794000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行（信託口）",
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      "shares_held": 9685000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 5,
      "name": "日本マスタートラスト信託銀行（信託口）",
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      "shares_held": 9519000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 6,
      "name": "三菱東京ＵＦＪ銀行",
      "shareholding_ratio": 3.5,
      "shares_held": 8032000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 7,
      "name": "ステートストリートバンクアンドトラストカンパニー505225",
      "shareholding_ratio": 3.13,
      "shares_held": 7175000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 8,
      "name": "日本生命保険",
      "shareholding_ratio": 3.1,
      "shares_held": 7125000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 9,
      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 2.28,
      "shares_held": 5238000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 10,
      "name": "ザ チェース マンハッタン バンク エヌエイ ロンドン エスエル オムニバス アカウント",
      "shareholding_ratio": 2.11,
      "shares_held": 4837000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 1,
      "name": "第一生命保険",
      "shareholding_ratio": 7.49,
      "shares_held": 16752000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 2,
      "name": "ステートストリートバンクアンドトラストカンパニー",
      "shareholding_ratio": 6.54,
      "shares_held": 14612000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 3,
      "name": "明治安田生命保険",
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      "shares_held": 13794000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 4,
      "name": "日本マスタートラスト信託銀行（信託口）",
      "shareholding_ratio": 5.4,
      "shares_held": 12067000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 5,
      "name": "日本トラスティ・サービス信託銀行（信託口）",
      "shareholding_ratio": 5.33,
      "shares_held": 11913000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
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      "name": "三菱東京ＵＦＪ銀行",
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      "shares_held": 6541000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
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      "name": "全国共済農業協同組合連合会",
      "shareholding_ratio": 2.75,
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      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
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      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
      "rank": 9,
      "name": "日本生命保険",
      "shareholding_ratio": 1.59,
      "shares_held": 3563000,
      "total_shares": null,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "日本特殊陶業",
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      "source": "有価証券報告書（2015年3月期）"
    }
  ]
}
