{
  "spec_version": "6",
  "endpoint": "ceo-person",
  "stock_code": "6473",
  "company_name": "ジェイテクト",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6473/executives/ceo/ikeda-zenichiro/",
  "api_url": "/api/6473/ceo/ikeda-zenichiro.json",
  "updated": "2026-11-12",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/6473/executives/ceo/ikeda-zenichiro/",
  "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": "ikeda-zenichiro",
    "name": "池田善一郎",
    "kana": "いけだ　ぜんいちろう",
    "surname": "池田",
    "given_name": "善一郎",
    "origin": "創業者。1921年に大阪市生野区で光洋精工社を創業し、1935年の株式会社改組（光洋精工）から1958年3月に病没するまで社長を務めた",
    "origin_type": "創業家",
    "hometown": "香川県小豆島（寒霞渓の麓）",
    "prev_role": null,
    "career": [
      {
        "company": "光洋精工",
        "from": "1921-01",
        "to": "1958-03",
        "roles": [
          {
            "date": "1921-01",
            "role": "光洋精工社を創業"
          },
          {
            "date": "1935-01",
            "role": "株式会社へ改組し取締役社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1958",
            "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/6473/executives/ceo/ikeda-zenichiro/",
    "term_start": "1935-01",
    "term_end": "1958",
    "api_url": "https://the-shashi.com/api/6473/ceo/ikeda-zenichiro.json",
    "list_api_url": "https://the-shashi.com/api/6473/ceo.json",
    "predecessor": null,
    "successor": {
      "slug": "ikeda-iwao",
      "name": "池田巌",
      "api_url": "https://the-shashi.com/api/6473/ceo/ikeda-iwao.json"
    }
  }
}