{
  "spec_version": "6",
  "endpoint": "ceo-person",
  "stock_code": "4183",
  "company_name": "三井化学",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4183/executives/ceo/tanaka-toshikazu/",
  "api_url": "/api/4183/ceo/tanaka-toshikazu.json",
  "updated": "2026-10-29",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4183/executives/ceo/tanaka-toshikazu/",
  "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": "tanaka-toshikazu",
    "name": "田中稔一",
    "kana": "たなか　としかず",
    "surname": "田中",
    "given_name": "稔一",
    "origin": "生え抜き（1968年東洋高圧工業入社。同社は同年三井化学工業と合併し三井東圧化学となる）。基礎化学品事業を歩み、副社長から社長へ",
    "origin_type": "生え抜き",
    "hometown": "福岡県",
    "education": "九州大学経済学部 (1968)",
    "education_source": "https://ja.wikipedia.org/wiki/田中稔一",
    "prev_role": "代表取締役副社長（経営企画室長兼内部統制推進室長）",
    "career": [
      {
        "company": "三井東圧化学",
        "from": "1968-04",
        "to": "1997-10",
        "roles": [
          {
            "date": "1968-04",
            "role": "入社",
            "event": "入社"
          }
        ]
      },
      {
        "company": "三井化学",
        "from": "1997-10",
        "to": null,
        "roles": [
          {
            "date": "1999-06",
            "role": "取締役",
            "board": "取締役"
          },
          {
            "date": "2003-06",
            "role": "常務取締役",
            "board": "取締役",
            "title": "常務"
          },
          {
            "date": "2005-06",
            "role": "代表取締役副社長",
            "board": "代表取締役",
            "title": "副社長"
          },
          {
            "date": "2009-06",
            "role": "代表取締役社長",
            "board": "代表取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "2014-04",
            "role": "社長退任（次期社長登用による推定）",
            "title": "社長",
            "event": "退任",
            "estimated": true,
            "is_ceo_retired": true,
            "retirement_basis": "next_ceo"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/4183/executives/ceo/tanaka-toshikazu/",
    "term_start": "2009-06",
    "term_end": "2014-04",
    "api_url": "https://the-shashi.com/api/4183/ceo/tanaka-toshikazu.json",
    "list_api_url": "https://the-shashi.com/api/4183/ceo.json",
    "predecessor": {
      "slug": "fujiyoshi-kenji",
      "name": "藤吉建二",
      "api_url": "https://the-shashi.com/api/4183/ceo/fujiyoshi-kenji.json"
    },
    "successor": {
      "slug": "tannowa-tsutomu",
      "name": "淡輪敏",
      "api_url": "https://the-shashi.com/api/4183/ceo/tannowa-tsutomu.json"
    }
  }
}