{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "4272",
  "company_name": "日本化薬",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4272/ceo/",
  "api_url": "/api/4272/ceo.json",
  "updated": "2026-09-26",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4272/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": 5,
  "ceo": [
    {
      "slug": "島田紘一郎",
      "name": "島田紘一郎",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "日本化薬",
          "from": "1964-04",
          "to": null,
          "roles": [
            {
              "date": "1964-04",
              "role": "入社"
            },
            {
              "date": "1992-09",
              "role": "総合企画室長"
            },
            {
              "date": "1995-08",
              "role": "取締役"
            },
            {
              "date": "1997-08",
              "role": "常務取締役 総合企画室・広報・人事・福山開発担当"
            },
            {
              "date": "1999-07",
              "role": "化学品事業本部長"
            },
            {
              "date": "2003-08",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "2005-08",
              "role": "社長執行役員"
            },
            {
              "date": "2010-08",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "term_start": "2003-08",
      "term_end": "2010-08"
    },
    {
      "slug": "mandai-akira",
      "name": "萬代晃",
      "kana": "まんだい　あきら",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "日本化薬",
          "from": "1969-04",
          "to": null,
          "roles": [
            {
              "date": "1969-04",
              "role": "入社"
            },
            {
              "date": "1999-07",
              "role": "医薬事業本部営業本部長"
            },
            {
              "date": "2002-08",
              "role": "取締役"
            },
            {
              "date": "2004-08",
              "role": "西部支社長"
            },
            {
              "date": "2005-08",
              "role": "常務執行役員 医薬事業本部長"
            },
            {
              "date": "2010-08",
              "role": "代表取締役社長 社長執行役員",
              "is_ceo_appointed": true
            },
            {
              "date": "2015-06",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/4272/executives/ceo/mandai-akira/",
      "term_start": "2010-08",
      "term_end": "2015-06"
    },
    {
      "slug": "suzuki-masanobu",
      "name": "鈴木政信",
      "kana": "すずき　まさのぶ",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "日本化薬",
          "from": "1979-04",
          "to": null,
          "roles": [
            {
              "date": "1979-04",
              "role": "入社"
            },
            {
              "date": "2005-12",
              "role": "研究開発本部医薬研究所長"
            },
            {
              "date": "2008-08",
              "role": "執行役員"
            },
            {
              "date": "2009-06",
              "role": "高崎工場長"
            },
            {
              "date": "2010-08",
              "role": "取締役 常務執行役員 医薬事業本部長"
            },
            {
              "date": "2014-06",
              "role": "専務執行役員"
            },
            {
              "date": "2015-06",
              "role": "代表取締役社長 社長執行役員",
              "is_ceo_appointed": true
            },
            {
              "date": "2019-06",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/4272/executives/ceo/suzuki-masanobu/",
      "term_start": "2015-06",
      "term_end": "2019-06"
    },
    {
      "slug": "wakumoto-atsuhiro",
      "name": "涌元厚宏",
      "kana": "わくもと　あつひろ",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "日本化薬",
          "from": "1979-04",
          "to": null,
          "roles": [
            {
              "date": "1979-04",
              "role": "入社"
            },
            {
              "date": "2008-08",
              "role": "セイフティシステムズ事業本部グローバル事業統括部長"
            },
            {
              "date": "2010-08",
              "role": "セイフティシステムズ事業本部営業統括部長"
            },
            {
              "date": "2012-08",
              "role": "執行役員"
            },
            {
              "date": "2016-06",
              "role": "取締役 常務執行役員"
            },
            {
              "date": "2018-04",
              "role": "セイフティシステムズ事業本部営業本部長"
            },
            {
              "date": "2018-06",
              "role": "セイフティシステムズ事業本部長"
            },
            {
              "date": "2019-06",
              "role": "代表取締役社長 社長執行役員",
              "is_ceo_appointed": true
            },
            {
              "date": "2025-06",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/4272/executives/ceo/wakumoto-atsuhiro/",
      "term_start": "2019-06",
      "term_end": "2025-06"
    },
    {
      "slug": "kawamura-shigeyuki",
      "name": "川村茂之",
      "kana": "かわむら　しげゆき",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "日本化薬",
          "from": "1987-04",
          "to": null,
          "roles": [
            {
              "date": "1987-04",
              "role": "入社"
            },
            {
              "date": "2008-06",
              "role": "姫路工場調達部長"
            },
            {
              "date": "2010-06",
              "role": "姫路工場企画調達部長"
            },
            {
              "date": "2016-06",
              "role": "化薬（湖州）安全器材有限公司董事兼総経理"
            },
            {
              "date": "2019-06",
              "role": "セイフティシステムズ事業本部企画本部長"
            },
            {
              "date": "2020-06",
              "role": "執行役員"
            },
            {
              "date": "2021-04",
              "role": "セイフティシステムズ事業本部副事業本部長兼企画本部長"
            },
            {
              "date": "2021-06",
              "role": "上席執行役員 セイフティシステムズ事業本部長"
            },
            {
              "date": "2022-06",
              "role": "常務執行役員"
            },
            {
              "date": "2023-06",
              "role": "取締役 モビリティ＆イメージング事業領域管掌兼セイフティシステムズ事業部長"
            },
            {
              "date": "2025-06",
              "role": "代表取締役社長 社長執行役員",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/4272/executives/ceo/kawamura-shigeyuki/",
      "term_start": "2025-06",
      "term_end": null
    }
  ]
}