Enforcement record

Directive against 株式会社ミツヤマ

株式会社ミツヤマ (Construction Business Act)

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Construction Business ActYamaguchi PrefectureConfirmed entity match6 December 2024

Action type

Directive

Law

Construction Business Act

Authority

Yamaguchi Prefecture

Action date

6 December 2024

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: Completed archive verified; Captured: Jul 13, 2026, 04:00 AM JST

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/api/v1/enforcements?corporate_number=7250001010339&limit=10

Open JSON Specs

Action summary

Company: 株式会社ミツヤマJapanese original
Original: 株式会社ミツヤマ
Corporate Number: 7250001010339
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: 6 December 2024
Issuing authority: Yamaguchi Prefecture
山口県
Industry context: 建設業者

Violation

Machine-translated summary — verify against original

On December 18, 2023, Mitsuyama Co., Ltd. conducted work to sort debris such as wood chips contained in concrete residue during the operation of a belt conveyor. Despite the risk of workers' body parts being caught and injured, the company did not equip the conveyor with an emergency stop device that could be immediately activated in an emergency, nor did it take necessary measures to prevent hazards caused by machinery and equipment. The company and its representative director, Kazuo Mitsuyama, each received a summary order for a fine of 200,000 yen from the Yanai Summary Court for violating Article 20, Item 1 of the Industrial Safety and Health Act and Article 157, Paragraph 1 of the Industrial Safety and Health Regulations. The sentence was finalized on August 2, 2024. This is recognized as corresponding to Article 28, Paragraph 1, Item 3 of the Construction Business Act.

Show original Japanese text

令和５年１２月１８日、（株）ミツヤマは、ベルトコンベヤーの運転中にコンクリートがらに含まれる木くず等のごみを選別する作業を行わせるにあたり、労働者の身体の一部が巻き込まれる等労働者に危険が生ずるおそれがあるにも関わらず、非常の場合に直ちにベルトコンベヤーの運転を停止することができる装置を備えず、もって、機械・器具その他の設備による危険を防止するための必要な措置を講じなかった。労働安全衛生法第２０条第１号及び労働安全衛生規則第１５７条第１項に違反するとして、柳井簡易裁判所から（株）ミツヤマ及び代表取締役の密山一雄の両名がそれぞれ罰金２０万円の略式命令を受け、令和６年８月２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: 山口県光市光井３丁目１２番６号
Representative: 密山一雄
Permit / registration number: 山口県知事許可（特－４）第１６６６８号
Permitted business types: Civil engineering works, Scaffolding, earthwork, and concrete works, Stone works, Steel structure works, Paving works, し, Water facilities works, Demolition works
Legal articles: 建設業法第２８条第１項（同条同項第３号）
Cause of action: 令和５年１２月１８日、（株）ミツヤマは、ベルトコンベヤーの運転中にコンクリートがらに含まれる木くず等のごみを選別する作業を行わせるにあたり、労働者の身体の一部が巻き込まれる等労働者に危険が生ずるおそれがあるにも関わらず、非常の場合に直ちにベルトコンベヤーの運転を停止することができる装置を備えず、もって、機械・器具その他の設備による危険を防止するための必要な措置を講じなかった。労働安全衛生法第２０条第１号及び労働安全衛生規則第１５７条第１項に違反するとして、柳井簡易裁判所から（株）ミツヤマ及び代表取締役の密山一雄の両名がそれぞれ罰金２０万円の略式命令を受け、令和６年８月２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=1943

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)Open preserved source and evidence pack

Extracted at: 2026-07-17T08:40:10.897+00:00
Evidence checked: 2026-07-17T08:40:10.843+00:00
Archive captured: 2026-07-12T19:00:58.370863+00:00

Show audit JSON

{
  "record": {
    "id": "e0f38461-3381-4a25-8796-6b8dfa8b3557",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-mituyama-20241206",
    "company_name_original": "株式会社ミツヤマ",
    "company_name_registry": "株式会社ミツヤマ",
    "corporate_number": "7250001010339",
    "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-mituyama-20241206",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1943",
    "officialDocumentUrl": null,
    "archiveUrl": "https://kiroku.today/a/71b754cc61i5rqpx",
    "archivedSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1943",
    "archiveCapturedAt": "2026-07-12T19:00:58.370863+00:00",
    "extractedAt": "2026-07-17T08:40:10.897+00:00",
    "translatedAt": "2026-05-01T07:56:43.795+00:00",
    "evidenceCheckedAt": "2026-07-17T08:40:10.843+00:00",
    "generatedAt": "2026-09-09T08:21:04.763Z"
  },
  "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: 株式会社ミツヤマ Japanese original
Japanese name: 株式会社ミツヤマ
Corporate Number: 7250001010339
Registered address: 山口県光市光井３丁目１２番６号

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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.