{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "6516",
  "company_name": "山洋電気",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6516/ceo/",
  "api_url": "/api/6516/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/6516/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": 2,
  "ceo": [
    {
      "slug": "yamamoto-shigeo",
      "name": "山本茂生",
      "kana": "やまもと　しげお",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "山洋電気",
          "from": "1983-04",
          "to": null,
          "roles": [
            {
              "date": "1983-04",
              "role": "入社"
            },
            {
              "date": "1987-06",
              "role": "取締役"
            },
            {
              "date": "1991-06",
              "role": "常務取締役"
            },
            {
              "date": "1994-06",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "1999-06",
              "role": "代表取締役 社長・執行役員"
            },
            {
              "date": "2020-06",
              "role": "会長・執行役員"
            },
            {
              "date": "2020-06",
              "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/6516/executives/ceo/yamamoto-shigeo/",
      "term_start": "1994-06",
      "term_end": "2020-06"
    },
    {
      "slug": "kodama-nobumasa",
      "name": "児玉展全",
      "kana": "こだま　のぶまさ",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "山洋電気",
          "from": "1978-04",
          "to": null,
          "roles": [
            {
              "date": "1978-04",
              "role": "入社"
            },
            {
              "date": "2002-04",
              "role": "クーリングシステム事業部 事業部長"
            },
            {
              "date": "2002-06",
              "role": "執行役員"
            },
            {
              "date": "2003-07",
              "role": "常務執行役員 サーボシステム事業部事業部長"
            },
            {
              "date": "2004-06",
              "role": "取締役"
            },
            {
              "date": "2006-05",
              "role": "パワーシステム事業部事業部長"
            },
            {
              "date": "2014-04",
              "role": "専務執行役員"
            },
            {
              "date": "2018-04",
              "role": "代表取締役 副社長・執行役員"
            },
            {
              "date": "2020-06",
              "role": "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/6516/executives/ceo/kodama-nobumasa/",
      "term_start": "2020-06",
      "term_end": null
    }
  ]
}