{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "6136",
  "company_name": "OSG",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6136/ceo/",
  "api_url": "/api/6136/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/6136/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": 3,
  "ceo": [
    {
      "slug": "osawa-teruhide",
      "name": "大沢輝秀",
      "kana": "おおさわ　てるひで",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "OSG",
          "from": "1961-12",
          "to": null,
          "roles": [
            {
              "date": "1961-12",
              "role": "入社"
            },
            {
              "date": "1964-09",
              "role": "オーエスジー販売㈱へ移籍"
            },
            {
              "date": "1968-02",
              "role": "OSG Tap and Die, Inc.取締役社長"
            },
            {
              "date": "1969-08",
              "role": "オーエスジー販売㈱代表取締役専務"
            },
            {
              "date": "1974-01",
              "role": "取締役"
            },
            {
              "date": "1977-02",
              "role": "オーエスジー販売㈱代表取締役社長"
            },
            {
              "date": "1986-09",
              "role": "㈱青山製作所代表取締役社長"
            },
            {
              "date": "1987-01",
              "role": "㈱モリヤマ代表取締役社長"
            },
            {
              "date": "1992-02",
              "role": "OSG Tap and Die, Inc.取締役副会長"
            },
            {
              "date": "1992-12",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "1993-03",
              "role": "㈱青山製作所取締役会長"
            },
            {
              "date": "1993-08",
              "role": "OSG Asia Pte Ltd.取締役会長"
            },
            {
              "date": "1994-02",
              "role": "OSG Tap and Die, Inc.取締役会長"
            },
            {
              "date": "2002-03",
              "role": "大宝精密工具股份有限公司董事長"
            },
            {
              "date": "2007-02",
              "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/6136/executives/ceo/osawa-teruhide/",
      "term_start": "1992-12",
      "term_end": "2007-02"
    },
    {
      "slug": "ishikawa-norio",
      "name": "石川則男",
      "kana": "いしかわ　のりお",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "OSG",
          "from": "1983-05",
          "to": null,
          "roles": [
            {
              "date": "1983-05",
              "role": "OSG Tap and Die, Inc.(現OSG USA, INC.)出向"
            },
            {
              "date": "1999-08",
              "role": "OSG Europe S.A.取締役社長"
            },
            {
              "date": "2001-02",
              "role": "取締役"
            },
            {
              "date": "2003-02",
              "role": "執行役員"
            },
            {
              "date": "2004-02",
              "role": "取締役"
            },
            {
              "date": "2007-02",
              "role": "代表取締役社長兼最高執行責任者(COO)",
              "is_ceo_appointed": true
            },
            {
              "date": "2017-02",
              "role": "代表取締役社長兼最高経営責任者(CEO)"
            },
            {
              "date": "2021-02",
              "role": "代表取締役会長兼最高経営責任者(CEO)"
            },
            {
              "date": "2021-02",
              "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/6136/executives/ceo/ishikawa-norio/",
      "term_start": "2007-02",
      "term_end": "2021-02"
    },
    {
      "slug": "osawa-nobuaki",
      "name": "大沢伸朗",
      "kana": "おおさわ　のぶあき",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "OSG",
          "from": "1997-11",
          "to": null,
          "roles": [
            {
              "date": "1997-11",
              "role": "Norman Taps and Dies Limited(現OSG UK Limited)出向"
            },
            {
              "date": "2003-10",
              "role": "OSG UK Limited代表取締役"
            },
            {
              "date": "2004-12",
              "role": "OSG Europe S.A.代表取締役社長"
            },
            {
              "date": "2010-02",
              "role": "常務取締役"
            },
            {
              "date": "2014-01",
              "role": "OSG Europe S.A.代表取締役会長"
            },
            {
              "date": "2016-09",
              "role": "(公財)大澤科学技術振興財団理事長"
            },
            {
              "date": "2018-02",
              "role": "常務執行役員"
            },
            {
              "date": "2019-02",
              "role": "取締役専務執行役員"
            },
            {
              "date": "2021-02",
              "role": "代表取締役社長兼最高執行責任者(COO)",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/6136/executives/ceo/osawa-nobuaki/",
      "term_start": "2021-02",
      "term_end": null
    }
  ]
}