{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "5101",
  "company_name": "横浜ゴム",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5101/executives/ceo/tominaga-yasuo/",
  "api_url": "/api/5101/ceo/tominaga-yasuo.json",
  "updated": "2026-10-26",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/5101/executives/ceo/tominaga-yasuo/",
  "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": "tominaga-yasuo",
    "name": "冨永靖雄",
    "kana": "とみなが　やすお",
    "surname": "冨永",
    "given_name": "靖雄",
    "hometown": null,
    "education": null,
    "prev_role": null,
    "career": [
      {
        "company": "横浜ゴム",
        "from": "1998",
        "to": "2002",
        "roles": [
          {
            "date": "1998",
            "role": "取締役社長",
            "board": "取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "2004-06",
            "role": "社長退任（次期社長登用による推定）",
            "is_ceo_retired": true,
            "retirement_basis": "next_ceo"
          }
        ]
      }
    ],
    "references": [
      {
        "source": "『日経ビジネス』「冨永靖雄氏 横浜ゴム 登場危機感に満ちた就任、3強に抗せるか」（1999年6月21日）",
        "url": null,
        "for": [
          "kana"
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/5101/executives/ceo/tominaga-yasuo/",
    "term_start": "1998",
    "term_end": "2004-06",
    "api_url": "https://the-shashi.com/api/5101/ceo/tominaga-yasuo.json",
    "list_api_url": "https://the-shashi.com/api/5101/ceo.json",
    "predecessor": {
      "slug": "tamaki-yasuo",
      "name": "玉木泰男",
      "api_url": "https://the-shashi.com/api/5101/ceo/tamaki-yasuo.json"
    },
    "successor": {
      "slug": "nagumo-tadanobu",
      "name": "南雲忠信",
      "api_url": "https://the-shashi.com/api/5101/ceo/nagumo-tadanobu.json"
    }
  }
}