{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "onoda-cement",
  "company_name": "小野田セメント",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/onoda-cement/executives/ceo/matsumoto-koichi/",
  "api_url": "/api/onoda-cement/ceo/matsumoto-koichi.json",
  "updated": "2026-10-27",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/onoda-cement/executives/ceo/matsumoto-koichi/",
  "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": "matsumoto-koichi",
    "name": "松本幸市",
    "kana": "まつもと　こういち",
    "surname": "松本",
    "given_name": "幸市",
    "birthdate": "1908",
    "hometown": "鳥取県",
    "education": "山口高等商業学校／現・山口大学経済学部 (1928)",
    "prev_role": "取締役副社長",
    "origin": "生え抜き（1928年入社）。高商出の事務系で、取締役副社長から昇格した。在任中の1976年6月に病で急逝した",
    "origin_type": "生え抜き",
    "career": [
      {
        "company": "小野田セメント",
        "from": "1928-03",
        "to": "1976-06",
        "roles": [
          {
            "date": "1928-03",
            "role": "入社"
          },
          {
            "date": "1960-11",
            "role": "取締役"
          },
          {
            "date": "1965-05",
            "role": "常務取締役"
          },
          {
            "date": "1967-05",
            "role": "専務取締役"
          },
          {
            "date": "1969-05",
            "role": "取締役副社長"
          },
          {
            "date": "1973-10",
            "role": "取締役社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1976-06",
            "role": "社長在任中に死去",
            "is_ceo_retired": true,
            "retirement_basis": "press"
          }
        ]
      }
    ],
    "references": [
      {
        "source": "日本企業要覧 1973年版【役員の略歴】",
        "url": "https://dl.ndl.go.jp/pid/11937718/1/424",
        "for": [
          "career",
          "education",
          "hometown",
          "birthdate"
        ]
      },
      {
        "source": "日本企業要覧 1975年版【役員の略歴】",
        "url": "https://dl.ndl.go.jp/pid/11937564/1/431",
        "for": [
          "career"
        ]
      },
      {
        "source": "小野田セメント百年史（日本経営史研究所編、1981年） 口絵「歴代社長」・第9章",
        "for": [
          "career"
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/onoda-cement/executives/ceo/matsumoto-koichi/",
    "term_start": "1973-10",
    "term_end": "1976-06",
    "api_url": "https://the-shashi.com/api/onoda-cement/ceo/matsumoto-koichi.json",
    "list_api_url": "https://the-shashi.com/api/onoda-cement/ceo.json",
    "predecessor": {
      "slug": "mori-seiji",
      "name": "森清治",
      "api_url": "https://the-shashi.com/api/onoda-cement/ceo/mori-seiji.json"
    },
    "successor": {
      "slug": "oshima-kenji",
      "name": "大島健司",
      "api_url": "https://the-shashi.com/api/onoda-cement/ceo/oshima-kenji.json"
    }
  }
}