Action summary

Company

戸沼岩崎建設株式会社Japanese original

Original: 戸沼岩崎建設（株）

Corporate Number: 7440001001418

Entity match

Confirmed entity match100/100Machine checked

source_corporate_number_nta_current_name

国税庁法人番号データとの独立照合で対象法人を確認しました（source_corporate_number_nta_current_name）。

Governing law

Construction Business Act

建設業法

Action type

Directive

指示

Action date

19 October 2023

Issuing authority

Hokkaido Regional Development Bureau

北海道開発局

Industry context

建設業者

Violation

On September 5, 2022, at a slope construction site in Fukuyama, Mie Prefecture, a worker employed by a secondary subcontractor fell from a slope approximately 16.4 meters high with a 66-degree incline and died. The site’s conditions made it difficult to set up scaffolding or other work platforms, requiring the use of fall-prevention harnesses. The company and its officers did not take these measures, leading to a violation of the Labor Safety and Health Law, for which they received a summary order from Hakodate Summary Court on July 7, 2023, with the sentence finalized. This incident constitutes a violation under the Construction Business Act, Article 28, Paragraph 1, Item 3. The Hokkaido Development Bureau issued an instruction to address this violation, including measures to prevent recurrence, such as informing officers and staff, strengthening safety management, and conducting ongoing training to ensure compliance with relevant laws.

Business location and permit details

Business location address

北海道函館市湯川町２－２１－２

Representative

戸沼 淳

Permit / registration number

国土交通大臣許可（特－４）第24854号

Permitted business types

Civil engineering works, Building works, Carpentry works, Scaffolding, earthwork, and concrete works, Steel structure works, Paving works, し, Landscaping works, Water facilities works, Demolition works

Legal articles

建設業法第28条第1項（第3号該当）

Cause of action

戸沼岩崎建設（株）が１次下請業者として法面工事を請け負った北海道松前郡福島町における幹線林道改良工事において、令和４年９月５日、ロープ高所作業を行っていた２次下請業者の労働者１名が法面から墜落し死亡する事故が発生した。 事故が発生した作業場所は高さ約１６．４メートル、傾斜約６６度の箇所で、墜落により労働者に危険を及ぼすおそれがあり、かつ、作業の性質上、足場を組み立てる等の方法により作業床を設けることが困難であったため、労働者に要求性能墜落制止用器具を使用させて墜落による労働者の危険を防止するための措置を講じなければならなかったところ、その措置を講じないまま同作業を行わせたことにより、同社及び同社の役職員が令和５年７月７日に函館簡易裁判所より労働安全衛生法違反で略式命令を受け、その刑が確定している。 このことが、建設業法第２８条第１項第３号に該当すると認められる。

Overview page

https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=986

These fields are extracted from the original Japanese disclosure or linked overview pages when available.

This context is an operational aid for review workflows, not a credit opinion or legal conclusion.

Evidence pack

{
  "record": {
    "id": "abf4e006-605c-484e-8c7e-49168d0a88d8",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-hu-zhao-yan-qi-jian-she-20231019",
    "company_name_original": "戸沼岩崎建設（株）",
    "company_name_registry": "戸沼岩崎建設株式会社",
    "corporate_number": "7440001001418",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "指示",
      "en": "Directive"
    },
    "authority": {
      "ja": "北海道開発局",
      "en": "Hokkaido Regional Development Bureau"
    }
  },
  "entity_match": {
    "status": "confirmed",
    "confidence": 100,
    "method": "source_corporate_number_nta_current_name",
    "method_label": "source_corporate_number_nta_current_name",
    "notes": "国税庁法人番号データとの独立照合で対象法人を確認しました（source_corporate_number_nta_current_name）。"
  },
  "review": {
    "status": "machine_reviewed",
    "label": "Machine checked"
  },
  "compliance_context": {
    "severity": "Medium",
    "actionMeaning": "A regulator issued a directive requiring specified action.",
    "practicalNote": "Verify the required action and whether the company has disclosed remediation or completion.",
    "lawContext": "Construction business law covering licensing, contractor obligations, and public-interest rules for construction work."
  },
  "evidence": {
    "recordUrl": "https://regbase.jp/en/enforcement/kensetsu-gyoho-hu-zhao-yan-qi-jian-she-20231019",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=986",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-07-17T11:56:25.97+00:00",
    "translatedAt": "2026-07-18T15:50:23.971+00:00",
    "evidenceCheckedAt": "2026-07-17T08:49:40.787+00:00",
    "generatedAt": "2026-07-24T16:17:10.729Z"
  },
  "limitations": [
    "RegBase aggregates public Japanese government disclosures and does not provide a credit opinion.",
    "English summaries are provided for reference. The original Japanese source is authoritative.",
    "Possible or unresolved entity matches should be manually verified before use in a decision."
  ]
}

The original Japanese disclosure is the authoritative record. Use possible or unresolved matches only as leads for manual review.