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  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/outside-directors/igarashi-koji/",
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        "招集通知・臨時報告書（選任議案の賛成比率）"
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      "extraction": "各社の最新の CG 報告書と有報の役員の表から機械抽出し、漢字の氏名＋生年月で会社をまたいで名寄せ",
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    "name": "五十嵐弘司",
    "last_name": "五十嵐",
    "first_name": "弘司",
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            "ratio": 79.48
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            "month": "2025/6",
            "ratio": 77.37
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            "month": "2026/6",
            "ratio": 82.7
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        "role": "入社",
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        "row_text": "味の素㈱入社",
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        "org": "アメリカ味の素",
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        "role": "上席副社長",
        "current": false,
        "row_text": "アメリカ味の素㈱ 上席副社長",
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        "org": "味の素",
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        "role": "執行役員・アミノ酸カンパニーバイスプレジデント",
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        "row_text": "味の素㈱ 執行役員・アミノ酸カンパニーバイスプレジデント",
        "refs": [
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        "org": "味の素",
        "stock_code": "2802",
        "role": "取締役 専務執行役員",
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        "row_text": "同社取締役 専務執行役員",
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        "ym": "2017-06",
        "kind": "民間",
        "org": "味の素",
        "stock_code": "2802",
        "role": "顧問",
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        "row_text": "同社顧問（",
        "refs": [
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        "ym": "2020-06",
        "kind": "民間",
        "org": "三菱マテリアル",
        "stock_code": "5711",
        "role": "取締役",
        "current": true,
        "row_text": "三菱マテリアル取締役（現）",
        "refs": [
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      }
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    "sources": [
      {
        "id": "r1",
        "type": "有価証券報告書",
        "title": "有価証券報告書",
        "by": "三菱マテリアル",
        "date": "2026-06-23",
        "url": null,
        "note": "役員の状況"
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