{
  "spec_version": "5",
  "endpoint": "director",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/outside-directors/horiba-atsushi/",
  "api_url": "/api/directors/horiba-atsushi.json",
  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/outside-directors/horiba-atsushi/",
  "source": {
    "person": {
      "primary": [
        "コーポレート・ガバナンス報告書（社外取締役の属性・独立役員）",
        "有価証券報告書（役員の状況・略歴）",
        "招集通知・臨時報告書（選任議案の賛成比率）"
      ],
      "extraction": "各社の最新の CG 報告書と有報の役員の表から機械抽出し、漢字の氏名＋生年月で会社をまたいで名寄せ",
      "caveat": "兼務先は最新の断面（有報の役員の表が最新から 400 日以内）。経歴の行ごとの出典は refs が sources の id を指す"
    }
  },
  "person": {
    "slug": "horiba-atsushi",
    "name": "堀場厚",
    "last_name": "堀場",
    "first_name": "厚",
    "romaji": "Horiba Atsushi",
    "last_name_romaji": "Horiba",
    "first_name_romaji": "Atsushi",
    "birth": "1948-02",
    "directorships": [
      {
        "stock_code": "5802",
        "company_name": "住友電工",
        "role": "取締役",
        "start_at": "2021-03",
        "end_at": null,
        "independent": null,
        "attribute": "他の会社の出身者",
        "votes": [
          {
            "month": "2024/6",
            "ratio": 96.73
          },
          {
            "month": "2025/6",
            "ratio": 87.56
          },
          {
            "month": "2026/6",
            "ratio": 95.9
          }
        ],
        "company_html_url": "https://the-shashi.com/tse/5802/"
      },
      {
        "stock_code": "9434",
        "company_name": "ボーダフォン(現ソフトバンク)",
        "role": "社外取締役",
        "start_at": "2019-03",
        "end_at": null,
        "independent": null,
        "attribute": "他の会社の出身者",
        "votes": [
          {
            "month": "2024/6",
            "ratio": 97.3
          },
          {
            "month": "2025/6",
            "ratio": 97.62
          },
          {
            "month": "2026/6",
            "ratio": 93.09
          }
        ],
        "company_html_url": "https://the-shashi.com/tse/9434/"
      }
    ],
    "career": [
      {
        "ym": "1972-09",
        "kind": "民間",
        "org": "堀場製作所",
        "stock_code": "6856",
        "role": "入社",
        "current": false,
        "row_text": "㈱堀場製作所入社",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "1982-06",
        "kind": "民間",
        "org": "堀場製作所",
        "stock_code": "6856",
        "role": "取締役",
        "current": false,
        "row_text": "同社取締役",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "1988-06",
        "kind": "民間",
        "org": "堀場製作所",
        "stock_code": "6856",
        "role": "専務取締役",
        "current": false,
        "row_text": "同社専務取締役",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "1992-01",
        "kind": "民間",
        "org": "堀場製作所",
        "stock_code": "6856",
        "role": "代表取締役社長",
        "current": false,
        "row_text": "同社代表取締役社長",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "1995-06",
        "kind": "民間",
        "org": "堀場エステック",
        "stock_code": null,
        "role": "代表取締役社長",
        "current": false,
        "row_text": "㈱エステック（現㈱堀場エステック）代表取締役社長",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "2005-06",
        "kind": "民間",
        "org": "堀場製作所",
        "stock_code": "6856",
        "role": "代表取締役会長兼社長",
        "current": false,
        "row_text": "㈱堀場製作所代表取締役会長兼社長",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "2016-04",
        "kind": "民間",
        "org": "堀場エステック",
        "stock_code": null,
        "role": "代表取締役会長",
        "current": true,
        "row_text": "㈱堀場エステック代表取締役会長（現任）",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "2018-01",
        "kind": "民間",
        "org": "堀場製作所",
        "stock_code": "6856",
        "role": "代表取締役会長兼グループCEO",
        "current": true,
        "row_text": "㈱堀場製作所代表取締役会長兼グループCEO（現任）",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "2018-06",
        "kind": "民間",
        "org": "ソフトバンク",
        "stock_code": null,
        "role": "社外取締役",
        "current": true,
        "row_text": "ソフトバンク社外取締役（現任）",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2021-06",
        "kind": "民間",
        "org": "住友電工",
        "stock_code": "5802",
        "role": "社外取締役",
        "current": false,
        "row_text": "住友電気工業㈱社外取締役",
        "refs": [
          "r1",
          "r2"
        ]
      },
      {
        "ym": "2025-01",
        "kind": "他",
        "org": "京都商工会議所",
        "stock_code": null,
        "role": "会頭",
        "current": true,
        "row_text": "京都商工会議所会頭（現任）",
        "refs": [
          "r1"
        ]
      }
    ],
    "sources": [
      {
        "id": "r1",
        "type": "有価証券報告書",
        "title": "有価証券報告書",
        "by": "ボーダフォン(現ソフトバンク)",
        "date": "2026-06-23",
        "url": null,
        "note": "役員の状況"
      },
      {
        "id": "r2",
        "type": "有価証券報告書",
        "title": "有価証券報告書",
        "by": "住友電工",
        "date": "2026-06-26",
        "url": null,
        "note": "役員の状況"
      }
    ],
    "api_url": "https://the-shashi.com/api/directors/horiba-atsushi.json",
    "list_api_url": "https://the-shashi.com/api/directors.json",
    "html_url": "https://the-shashi.com/outside-directors/horiba-atsushi/"
  }
}
