Enforcement record

Directive against 菊乃関工業株式会社

菊乃関工業株式会社 (Construction Business Act)

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Construction Business ActYamaguchi PrefectureConfirmed entity match8 June 2026

Action type

Directive

Law

Construction Business Act

Authority

Yamaguchi Prefecture

Action date

8 June 2026

Current page: Enforcement record

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Source verification

Public-source and preservation status

Publishing authority: Yamaguchi Prefecture
Official source URL: Recorded by RegBase
Entity match: Confirmed against the current entity-resolution policy
Kiroku preservation: Archive not completed

“Confirmed” means that RegBase matched this record to the cited public disclosure or entity under the stated checks. It does not verify the truth of the disclosure or guarantee the entity’s current status, creditworthiness, or any legal conclusion.

Open the official source links in the section below to review the original disclosure.

Action summary

Company: 菊乃関工業株式会社Japanese original
Original: 菊乃関工業株式会社
Corporate Number: 3250001003932
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: 8 June 2026
Issuing authority: Yamaguchi Prefecture
山口県
Industry context: 建設業者

Violation

Machine-translated summary — verify against original

On November 24, 2023, Kikuno Sekigyo Co., Ltd. submitted a false worker injury report to the Ube Labor Standards Inspection Office, claiming a worker's injury would result in six months of leave, which was not true. On February 28, 2024, during an inspection, the company made false statements to conceal the incident. On December 9, 2025, the Ube Summary Court sentenced the company and its former CEO to a fine of 200,000 yen each for violations of the Industrial Safety and Health Act, specifically Articles 100, Paragraph 1, and 91, Paragraph 1, of the same law. The court's decision was finalized on December 25, 2025. These actions are deemed to violate Article 28, Paragraph 1, Item 3 of the Construction Business Act.

Show original Japanese text

１令和５年１１月２４日、菊乃関工業（株）は、宇部市内の河川災害復旧工事において、労働者が休業６ヵ月の見込みとなる負傷をしたにも関わらず、事実と異なる内容を記載した労働者死傷病報告を、令和５年１２月６日宇部労働基準監督署長に提出し、虚偽の報告を行った。【第１】また、令和６年２月２８日、宇部労働基準監督署の立入り調査の際、労働基準監督官に対し、災害を隠蔽する目的で虚偽の陳述を行った。【第２】２令和７年１２月９日、宇部簡易裁判所は【第１】が労働安全衛生法第１００条第１項、労働安全衛生規則第９７条第１項、【第２】が同法第９１条第１項に違反するとして、菊乃関工業（株）及び前代表取締役に対し、それぞれ罰金２０万円の略式命令を科し、令和７年１２月２５日に刑が確定した。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。

Business location and permit details

Business location address: 山口県宇部市大字東万倉１０３－１０
Representative: 山元豊彦
Permit / registration number: 山口県知事（般ー６）第１２７４９号
Permitted business types: Civil engineering works, Scaffolding, earthwork, and concrete works, Paving works, Demolition works
Legal articles: 建設業法第２８条第１項
Cause of action: １令和５年１１月２４日、菊乃関工業（株）は、宇部市内の河川災害復旧工事において、労働者が休業６ヵ月の見込みとなる負傷をしたにも関わらず、事実と異なる内容を記載した労働者死傷病報告を、令和５年１２月６日宇部労働基準監督署長に提出し、虚偽の報告を行った。【第１】また、令和６年２月２８日、宇部労働基準監督署の立入り調査の際、労働基準監督官に対し、災害を隠蔽する目的で虚偽の陳述を行った。【第２】２令和７年１２月９日、宇部簡易裁判所は【第１】が労働安全衛生法第１００条第１項、労働安全衛生規則第９７条第１項、【第２】が同法第９１条第１項に違反するとして、菊乃関工業（株）及び前代表取締役に対し、それぞれ罰金２０万円の略式命令を科し、令和７年１２月２５日に刑が確定した。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。
Other notes: 山口労働局からの通報
Overview page: https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1942

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

Compliance context

Medium

A regulator issued a directive requiring specified action.

Construction business law covering licensing, contractor obligations, and public-interest rules for construction work.

Verify the required action and whether the company has disclosed remediation or completion.

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

Open original sources and verification detailsOfficial URL, direct PDF, and Kiroku archive

Original Yamaguchi Prefecture source (Japanese)

Extracted at: 2026-10-01T13:39:16.879+00:00
Evidence checked: 2026-10-01T13:39:16.802+00:00
Archive captured: Not archived

Show audit JSON

{
  "record": {
    "id": "9375b406-8936-461a-85e9-4e35d0e39d12",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-ju-nai-guan-gong-ye-20260608",
    "company_name_original": "菊乃関工業株式会社",
    "company_name_registry": "菊乃関工業株式会社",
    "corporate_number": "3250001003932",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "指示",
      "en": "Directive"
    },
    "authority": {
      "ja": "山口県",
      "en": "Yamaguchi Prefecture"
    }
  },
  "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-ju-nai-guan-gong-ye-20260608",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1942",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-10-01T13:39:16.879+00:00",
    "translatedAt": "2026-07-06T06:03:01.39+00:00",
    "evidenceCheckedAt": "2026-10-01T13:39:16.802+00:00",
    "generatedAt": "2026-10-02T04:01:55.427Z"
  },
  "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.

Language

日本語版を見る (Japanese)

Company info

English name: 菊乃関工業株式会社 Japanese original
Japanese name: 菊乃関工業株式会社
Corporate Number: 3250001003932
Registered address: 山口県宇部市大字東万倉１０３番地の１０

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About this recordAggregated and translated from public Japanese government disclosures. The English text is for reference only — authoritative content is the linked Japanese source.