{
  "spec_version": "5",
  "endpoint": "ceo",
  "stock_code": "5481",
  "company_name": "山陽特殊製鋼",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5481/ceo/",
  "api_url": "/api/5481/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/5481/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": 2,
  "ceo": [
    {
      "slug": "higuchi-shinya",
      "name": "樋口眞哉",
      "kana": null,
      "term_start": "2016-06",
      "term_end": "2021-06",
      "origin_type": "外部出身",
      "milestone": null,
      "prev_role": "新日鐵住金代表取締役副社長",
      "api_url": "https://the-shashi.com/api/5481/ceo/higuchi-shinya.json",
      "html_url": "https://the-shashi.com/tse/5481/executives/ceo/higuchi-shinya/"
    },
    {
      "slug": "miyamoto-katsuhiro",
      "name": "宮本勝弘",
      "kana": null,
      "term_start": "2021-06",
      "term_end": "2025-06",
      "origin_type": "外部出身",
      "milestone": null,
      "prev_role": "日本製鉄代表取締役副社長",
      "api_url": "https://the-shashi.com/api/5481/ceo/miyamoto-katsuhiro.json",
      "html_url": "https://the-shashi.com/tse/5481/executives/ceo/miyamoto-katsuhiro/"
    }
  ]
}