{
  "spec_version": "6",
  "endpoint": "ceo-person",
  "stock_code": "6361",
  "company_name": "荏原製作所",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6361/executives/ceo/hatakeyama-seiji/",
  "api_url": "/api/6361/ceo/hatakeyama-seiji.json",
  "updated": "2026-11-12",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/6361/executives/ceo/hatakeyama-seiji/",
  "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": "hatakeyama-seiji",
    "name": "畠山清二",
    "kana": "はたけやま　せいじ",
    "surname": "畠山",
    "given_name": "清二",
    "origin": "創業家（1945年入社）。創業者・畠山一清の次男。川崎・羽田の工場長など生産部門を経て代表取締役副社長から昇格した",
    "origin_type": "創業家",
    "hometown": "東京都",
    "prev_role": "代表取締役副社長",
    "career": [
      {
        "company": "荏原製作所",
        "from": "1945-09",
        "to": null,
        "roles": [
          {
            "date": "1945-09",
            "role": "入社",
            "event": "入社"
          },
          {
            "date": "1958-12",
            "role": "取締役",
            "board": "取締役"
          },
          {
            "date": "1960",
            "role": "川崎工場長",
            "dept": "川崎工場長"
          },
          {
            "date": "1964",
            "role": "羽田工場長",
            "dept": "羽田工場長"
          },
          {
            "date": "1964-12",
            "role": "常務取締役",
            "board": "取締役",
            "title": "常務"
          },
          {
            "date": "1969",
            "role": "生産本部長",
            "dept": "生産本部長"
          },
          {
            "date": "1973-03",
            "role": "専務取締役 管理本部長",
            "board": "取締役",
            "title": "専務",
            "dept": "管理本部長"
          },
          {
            "date": "1976-04",
            "role": "代表取締役副社長",
            "board": "代表取締役",
            "title": "副社長"
          },
          {
            "date": "1976-12",
            "role": "取締役社長",
            "board": "取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1988",
            "role": "社長退任",
            "is_ceo_retired": true,
            "retirement_basis": "history"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/6361/executives/ceo/hatakeyama-seiji/",
    "term_start": "1976-12",
    "term_end": "1988",
    "api_url": "https://the-shashi.com/api/6361/ceo/hatakeyama-seiji.json",
    "list_api_url": "https://the-shashi.com/api/6361/ceo.json",
    "predecessor": {
      "slug": "sugiyama-shoichi",
      "name": "杉山正一",
      "api_url": "https://the-shashi.com/api/6361/ceo/sugiyama-shoichi.json"
    },
    "successor": {
      "slug": "fujimura-hiroyuki",
      "name": "藤村宏幸",
      "api_url": "https://the-shashi.com/api/6361/ceo/fujimura-hiroyuki.json"
    }
  }
}