{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "7951",
  "company_name": "ヤマハ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/7951/executives/ceo/amano-chiyomaru/",
  "api_url": "/api/7951/ceo/amano-chiyomaru.json",
  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/7951/executives/ceo/amano-chiyomaru/",
  "source": {
    "person": {
      "primary": [
        "有価証券報告書（役員の状況）"
      ],
      "extraction": "EDINET の XBRL から機械抽出した役員表を土台に、雑誌記事・社史・報道で経歴と出自を補完",
      "caveat": "在任区間は career の is_ceo_appointed が正本。退任年月は次の代の就任年月から決まる"
    }
  },
  "person": {
    "slug": "amano-chiyomaru",
    "name": "天野千代丸",
    "kana": "あまの　ちよまる",
    "surname": "天野",
    "given_name": "千代丸",
    "origin": "外部出身。警察畑の内務官僚から静岡県浜名郡長を務め、1913年8月に副社長として招かれた。1916年の山葉寅楠氏の死去を受けて第2代社長に就任した",
    "origin_type": "外部出身",
    "hometown": "島根県",
    "birthdate": "1865-05",
    "education": null,
    "education_source": "https://jahis.law.nagoya-u.ac.jp/who/docs/who8-803",
    "prev_role": "副社長",
    "prev_company": null,
    "career_note": "読み・生年・本籍は\"人事興信録\"第8版（1928年）の記載による。",
    "career": [
      {
        "company": "日本楽器製造",
        "from": "1913-08",
        "to": "1927-04",
        "roles": [
          {
            "date": "1913-08",
            "role": "副社長"
          },
          {
            "date": "1917",
            "role": "取締役社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1927-04",
            "role": "社長退任（辞表提出）",
            "is_ceo_retired": true,
            "retirement_basis": "press"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/7951/executives/ceo/amano-chiyomaru/",
    "term_start": "1917",
    "term_end": "1927-04",
    "api_url": "https://the-shashi.com/api/7951/ceo/amano-chiyomaru.json",
    "list_api_url": "https://the-shashi.com/api/7951/ceo.json",
    "predecessor": {
      "slug": "yamaha-torakusu",
      "name": "山葉寅楠",
      "api_url": "https://the-shashi.com/api/7951/ceo/yamaha-torakusu.json"
    },
    "successor": {
      "slug": "kawakami-kaichi",
      "name": "川上嘉市",
      "api_url": "https://the-shashi.com/api/7951/ceo/kawakami-kaichi.json"
    }
  }
}