{
  "spec_version": "5",
  "endpoint": "ceo",
  "stock_code": "toyo-takushoku",
  "company_name": "東洋拓殖",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/toyo-takushoku/ceo/",
  "api_url": "/api/toyo-takushoku/ceo.json",
  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/toyo-takushoku/ceo/",
  "source": {
    "ceo": {
      "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"
    }
  },
  "count": 5,
  "ceo": [
    {
      "slug": "usagawa-kazumasa",
      "name": "宇佐川一正",
      "kana": "うさがわ　かずまさ",
      "term_start": "1908-12",
      "term_end": "1913-10",
      "origin_type": "外部出身",
      "milestone": null,
      "prev_role": null,
      "api_url": "https://the-shashi.com/api/toyo-takushoku/ceo/usagawa-kazumasa.json",
      "html_url": "https://the-shashi.com/tse/toyo-takushoku/executives/ceo/usagawa-kazumasa/"
    },
    {
      "slug": "yoshiwara-saburo",
      "name": "吉原三郎",
      "kana": "よしわら　さぶろう",
      "term_start": "1913-10",
      "term_end": "1916-10",
      "origin_type": "外部出身",
      "milestone": null,
      "prev_role": null,
      "api_url": "https://the-shashi.com/api/toyo-takushoku/ceo/yoshiwara-saburo.json"
    },
    {
      "slug": "ishizuka-eizo",
      "name": "石塚英藏",
      "kana": "いしづか　えいぞう",
      "term_start": "1916-10",
      "term_end": "1924-12",
      "origin_type": "外部出身",
      "milestone": null,
      "prev_role": null,
      "api_url": "https://the-shashi.com/api/toyo-takushoku/ceo/ishizuka-eizo.json"
    },
    {
      "slug": "miyao-shunji",
      "name": "宮尾舜治",
      "kana": "みやお　しゅんじ",
      "term_start": "1924-12",
      "term_end": "1928-12",
      "origin_type": "外部出身",
      "milestone": null,
      "prev_role": null,
      "api_url": "https://the-shashi.com/api/toyo-takushoku/ceo/miyao-shunji.json"
    },
    {
      "slug": "kubota-masachika",
      "name": "久保田政周",
      "kana": "くぼた　まさちか",
      "term_start": "1928-12",
      "term_end": "1929-01",
      "origin_type": "外部出身",
      "milestone": null,
      "prev_role": null,
      "api_url": "https://the-shashi.com/api/toyo-takushoku/ceo/kubota-masachika.json"
    }
  ]
}