{
  "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/koda-shigenori/",
  "api_url": "/api/4183/ceo/koda-shigenori.json",
  "updated": "2026-11-10",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4183/executives/ceo/koda-shigenori/",
  "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": "koda-shigenori",
    "name": "幸田重教",
    "kana": "こうだ　しげのり",
    "surname": "幸田",
    "given_name": "重教",
    "origin": "中途入社（1950年日産化学工業入社、1962年4月に三井石油化学工業へ転じる）。技術開発部長・取締役・常務・専務・副社長を経て社長となり、三井東圧化学との合併を決定した",
    "origin_type": "外部出身",
    "hometown": "愛知県名古屋市",
    "education": "東京大学第一工学部 (1950)",
    "prev_role": "取締役副社長",
    "career": [
      {
        "company": "日産化学工業",
        "from": "1950-04",
        "to": "1962-04",
        "roles": [
          {
            "date": "1950-04",
            "role": "入社",
            "event": "入社"
          }
        ]
      },
      {
        "company": "三井石油化学工業",
        "from": "1962-04",
        "to": "1997-10",
        "roles": [
          {
            "date": "1962-04",
            "role": "入社",
            "event": "入社"
          },
          {
            "date": "1977",
            "role": "本店技術開発部長",
            "dept": "本店技術開発部長"
          },
          {
            "date": "1979",
            "role": "取締役",
            "board": "取締役"
          },
          {
            "date": "1983",
            "role": "常務取締役",
            "board": "取締役",
            "title": "常務"
          },
          {
            "date": "1987",
            "role": "専務取締役",
            "board": "取締役",
            "title": "専務"
          },
          {
            "date": "1991",
            "role": "取締役副社長",
            "board": "取締役",
            "title": "副社長"
          },
          {
            "date": "1993-06",
            "role": "取締役社長",
            "board": "取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1997-10",
            "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"
          }
        ]
      },
      {
        "company": "三井化学",
        "from": "1997-10",
        "to": null,
        "roles": [
          {
            "date": "1997-10",
            "role": "取締役会長",
            "board": "取締役",
            "title": "会長"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/4183/executives/ceo/koda-shigenori/",
    "term_start": "1993-06",
    "term_end": "1997-10",
    "api_url": "https://the-shashi.com/api/4183/ceo/koda-shigenori.json",
    "list_api_url": "https://the-shashi.com/api/4183/ceo.json",
    "predecessor": {
      "slug": "takebayashi-shogo",
      "name": "竹林省吾",
      "api_url": "https://the-shashi.com/api/4183/ceo/takebayashi-shogo.json"
    },
    "successor": {
      "slug": "sato-akio",
      "name": "佐藤彰夫",
      "api_url": "https://the-shashi.com/api/4183/ceo/sato-akio.json"
    }
  }
}