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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/seki-yoko/",
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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": "関葉子",
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    "first_name": "葉子",
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    "last_name_romaji": "Seki",
    "first_name_romaji": "Yoko",
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            "ratio": 99.7
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            "ratio": 99.8
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            "ratio": 99.8
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        "company_name": "ニコン",
        "role": null,
        "start_at": null,
        "end_at": null,
        "independent": null,
        "attribute": "弁護士",
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        "current": false,
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        "org": "大樹生命保険",
        "stock_code": null,
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        "current": true,
        "row_text": "三井生命保険㈱（現 大樹生命保険㈱）社外監査役(現)",
        "refs": [
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        "ym": "2012-11",
        "kind": "民間",
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        "role": "監督役員",
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        "kind": "大学・研究",
        "org": "国士舘大学",
        "stock_code": null,
        "role": "教授",
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        "row_text": "国士舘大学教授（現）",
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        "role": "社外取締役",
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        "row_text": "高砂熱学工業社外取締役（現） （重要な兼職の状況） 大樹生命保険㈱社外監査役 イオンリート投資法人監督役員",
        "refs": [
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        "id": "r1",
        "type": "有価証券報告書",
        "title": "有価証券報告書",
        "by": "高砂熱学工業",
        "date": "2026-06-25",
        "url": null,
        "note": "役員の状況"
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