{
  "spec_version": "6",
  "endpoint": "ceo-person",
  "stock_code": "6736",
  "company_name": "サン電子",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6736/executives/ceo/yamaguchi-masanori/",
  "api_url": "/api/6736/ceo/yamaguchi-masanori.json",
  "updated": "2026-10-29",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/6736/executives/ceo/yamaguchi-masanori/",
  "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": "yamaguchi-masanori",
    "name": "山口正則",
    "kana": "やまぐち　まさのり",
    "surname": "山口",
    "given_name": "正則",
    "career": [
      {
        "company": "サン電子",
        "roles": [
          {
            "date": "1972-04",
            "role": "入社",
            "event": "入社"
          },
          {
            "date": "1989-06",
            "role": "取締役サンタック事業部長",
            "board": "取締役",
            "dept": "サンタック事業部長"
          },
          {
            "date": "1998-07",
            "role": "取締役コネクティビティテクノロジー分社長",
            "board": "取締役",
            "dept": "コネクティビティテクノロジー分社長"
          },
          {
            "date": "2000-06",
            "role": "常勤監査役",
            "board": "常勤監査役"
          },
          {
            "date": "2003-06",
            "role": "代表取締役社長",
            "board": "代表取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "2005-06",
            "role": "取締役",
            "board": "取締役"
          },
          {
            "date": "2005-06",
            "role": "社長退任（次期社長登用による推定）",
            "title": "社長",
            "event": "退任",
            "estimated": true,
            "is_ceo_retired": true,
            "retirement_basis": "next_ceo"
          },
          {
            "date": "2008-01",
            "role": "代表取締役海外ビジネス事業部担当",
            "board": "代表取締役",
            "dept": "海外ビジネス事業部担当"
          },
          {
            "date": "2008-06",
            "role": "代表取締役専務",
            "board": "代表取締役",
            "title": "専務"
          },
          {
            "date": "2013-06",
            "role": "代表取締役社長",
            "board": "代表取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "2019-06",
            "role": "社長退任（次期社長登用による推定）",
            "title": "社長",
            "event": "退任",
            "estimated": true,
            "is_ceo_retired": true,
            "retirement_basis": "next_ceo"
          }
        ]
      },
      {
        "company": "Cellebrite Mobile Synchronization Ltd.",
        "concurrent": true,
        "roles": [
          {
            "date": "2007-07",
            "role": "Chairman",
            "title": "Chairman",
            "duty": "(現任) Cellebrite Inc.Chairman (現任)"
          }
        ]
      },
      {
        "company": "躍陽信息技術（上海）有限公司",
        "concurrent": true,
        "roles": [
          {
            "date": "2008-12",
            "role": "董事長",
            "title": "董事長"
          }
        ]
      },
      {
        "company": "Cellebrite GmbH",
        "concurrent": true,
        "roles": [
          {
            "date": "2009-01",
            "role": "Chairman",
            "title": "Chairman",
            "duty": "(現任)"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/6736/executives/ceo/yamaguchi-masanori/",
    "term_start": "2003-06",
    "term_end": "2005-06",
    "api_url": "https://the-shashi.com/api/6736/ceo/yamaguchi-masanori.json",
    "list_api_url": "https://the-shashi.com/api/6736/ceo.json",
    "predecessor": {
      "slug": "maeda-masami",
      "name": "前田昌美",
      "api_url": "https://the-shashi.com/api/6736/ceo/maeda-masami.json"
    },
    "successor": {
      "slug": "wakai-tomiyuki",
      "name": "若井富幸",
      "api_url": "https://the-shashi.com/api/6736/ceo/wakai-tomiyuki.json"
    }
  }
}