{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "4577",
  "company_name": "ダイト",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4577/executives/ceo/otsuga-yasunobu/",
  "api_url": "/api/4577/ceo/otsuga-yasunobu.json",
  "updated": "2026-10-27",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4577/executives/ceo/otsuga-yasunobu/",
  "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": "otsuga-yasunobu",
    "name": "大津賀保信",
    "kana": "おおつが　やすのぶ",
    "hometown": null,
    "education": null,
    "prev_role": null,
    "career": [
      {
        "company": "日医工㈱",
        "from": "1973-04",
        "to": null,
        "roles": [
          {
            "date": "1973-04",
            "role": "入社"
          }
        ]
      },
      {
        "company": "当社",
        "from": "1975-03",
        "to": null,
        "roles": [
          {
            "date": "1975-03",
            "role": "入社"
          }
        ]
      },
      {
        "company": "",
        "from": "1984-06",
        "to": null,
        "roles": [
          {
            "date": "1984-06",
            "role": "営業企画部長"
          },
          {
            "date": "1985-07",
            "role": "監査役"
          },
          {
            "date": "1986-07",
            "role": "取締役"
          },
          {
            "date": "1993-07",
            "role": "常務取締役"
          },
          {
            "date": "1997-08",
            "role": "代表取締役専務"
          }
        ]
      },
      {
        "company": "大和薬品工業㈱",
        "from": "1999-07",
        "to": null,
        "roles": [
          {
            "date": "1999-07",
            "role": "代表取締役社長 兼 当社取締役"
          }
        ]
      },
      {
        "company": "",
        "from": "2005-06",
        "to": null,
        "roles": [
          {
            "date": "2005-06",
            "role": "常務取締役"
          },
          {
            "date": "2006-08",
            "role": "専務執行役員"
          }
        ]
      },
      {
        "company": "大和薬品工業㈱",
        "from": "2007-05",
        "to": null,
        "roles": [
          {
            "date": "2007-05",
            "role": "監査役"
          }
        ]
      },
      {
        "company": "",
        "from": "2007-08",
        "to": null,
        "roles": [
          {
            "date": "2007-08",
            "role": "取締役専務執行役員 管理本部長"
          },
          {
            "date": "2010-06",
            "role": "取締役専務執行役員経営企画室長"
          },
          {
            "date": "2011-08",
            "role": "代表取締役副社長"
          },
          {
            "date": "2012-08",
            "role": "代表取締役社長",
            "is_ceo_appointed": true
          }
        ]
      },
      {
        "company": "大和薬品工業㈱",
        "from": "2013-06",
        "to": null,
        "roles": [
          {
            "date": "2013-06",
            "role": "取締役"
          },
          {
            "date": "2022-08",
            "role": "代表取締役社長"
          },
          {
            "date": "2024-01",
            "role": "取締役"
          }
        ]
      },
      {
        "company": "",
        "from": "2024-08",
        "to": null,
        "roles": [
          {
            "date": "2024-08",
            "role": "代表取締役会長（現任）"
          }
        ]
      }
    ],
    "sections": {
      "tenure_summary": null,
      "management_policy": null,
      "initiatives": null,
      "evaluation": null,
      "notable": null
    },
    "html_url": "https://the-shashi.com/tse/4577/executives/ceo/otsuga-yasunobu/",
    "term_start": "2012-08",
    "term_end": "2024-08",
    "api_url": "https://the-shashi.com/api/4577/ceo/otsuga-yasunobu.json",
    "list_api_url": "https://the-shashi.com/api/4577/ceo.json",
    "predecessor": null,
    "successor": {
      "slug": "matsumori-hiroshi",
      "name": "松森浩士",
      "api_url": "https://the-shashi.com/api/4577/ceo/matsumori-hiroshi.json"
    }
  }
}