{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "7951",
  "company_name": "ヤマハ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/7951/executives/ceo/kawakami-kaichi/",
  "api_url": "/api/7951/ceo/kawakami-kaichi.json",
  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/7951/executives/ceo/kawakami-kaichi/",
  "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": "kawakami-kaichi",
    "name": "川上嘉市",
    "kana": "かわかみ　かいち",
    "surname": "川上",
    "given_name": "嘉市",
    "origin": "外部出身。住友電線製造所の取締役から招聘され、1926年の105日間ストライキ後の再建役として1927年4月に第3代社長へ就任した。長男の川上源一氏に社長を譲り、以後の川上家によるトップ世襲の起点となった",
    "origin_type": "外部出身",
    "hometown": "静岡県浜名郡（現・浜松市浜北区）",
    "birthdate": "1885",
    "education": "東京帝国大学",
    "education_source": "https://www.csm.or.jp/wp/100-2/kawakami_kaiti/",
    "prev_role": "取締役",
    "prev_company": "住友電線製造所",
    "milestone": "外部招聘。川上家によるトップ世襲の起点",
    "career": [
      {
        "company": "東京瓦斯",
        "roles": [
          {
            "date": "1909",
            "role": "入社"
          }
        ]
      },
      {
        "company": "住友電線製造所",
        "roles": [
          {
            "date": "1925",
            "role": "取締役"
          }
        ]
      },
      {
        "company": "日本楽器製造",
        "from": "1927-04",
        "to": "1964-04",
        "roles": [
          {
            "date": "1927-04",
            "role": "取締役社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1950-09",
            "role": "社長退任（会長就任）",
            "is_ceo_retired": true,
            "retirement_basis": "press"
          },
          {
            "date": "1950-09",
            "role": "取締役会長"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/7951/executives/ceo/kawakami-kaichi/",
    "term_start": "1927-04",
    "term_end": "1950-09",
    "api_url": "https://the-shashi.com/api/7951/ceo/kawakami-kaichi.json",
    "list_api_url": "https://the-shashi.com/api/7951/ceo.json",
    "predecessor": {
      "slug": "amano-chiyomaru",
      "name": "天野千代丸",
      "api_url": "https://the-shashi.com/api/7951/ceo/amano-chiyomaru.json"
    },
    "successor": {
      "slug": "kawakami-genichi",
      "name": "川上源一",
      "api_url": "https://the-shashi.com/api/7951/ceo/kawakami-genichi.json"
    }
  }
}
