Action summary

Company

コーセン建設株式会社Japanese original

Original: コーセン建設株式会社

Corporate Number: 3120001009686

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 August 2022

Issuing authority

Osaka Prefecture

大阪府

Industry context

建設業者

Violation

Koosen Construction Co., Ltd., with permit number Osaka Prefectural Governor (Special-2) No. 153426, was subject to an instruction from the Osaka Prefectural Government on August 8, 2022, based on Article 28, Paragraph 1, Item 2 of the Construction Business Act. The violation involved assigning a full-time supervising engineer to a construction site in Osaka that was also involved in a project ordered by Tokyo, with overlapping construction periods, contrary to Article 26, Paragraph 3 of the Act. The company was required to strictly adhere to the Construction Business Act and related laws, and to implement measures to prevent recurrence of similar issues, ensuring proper business conduct as a construction contractor.

Business location and permit details

Business location address

大阪府大阪市東住吉区東田辺１－１５－８

Representative

安田 光雄

Permit / registration number

大阪府知事（特－２）第153426号

Permitted business types

Civil engineering works, Building works, Carpentry works, Plastering works, Scaffolding, earthwork, and concrete works, Stone works, Roof works, Pipe works, Tile, brick, and block works, Steel structure works, Reinforcing bar works, Paving works, し, Sheet-metal works, Glass works, Painting works, Waterproofing works, Interior finishing works, Thermal insulation works, Fittings works, Water facilities works, Demolition works

Legal articles

建設業法第28条第１項第２号

Cause of action

当該建設業者は、大阪市内の２つの民間発注工事において、建設業法第26条第３項の規定に違反して、工期の重複する東京都が発注した工事に配置した専任を要する監理技術者を、専任を要する監理技術者として工事現場に配置した。

Other notes

大阪市内の２つの民間発注工事」のうち１つは同日付営業停止処分の「本件工事」と同一

Overview page

https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=691

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": "3c0ea355-5227-48b0-9f88-aa4707a99a53",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-kosenjian-she-20220808",
    "company_name_original": "コーセン建設株式会社",
    "company_name_registry": "コーセン建設株式会社",
    "corporate_number": "3120001009686",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "指示",
      "en": "Directive"
    },
    "authority": {
      "ja": "大阪府",
      "en": "Osaka 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-kosenjian-she-20220808",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=691",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-07-17T11:56:25.97+00:00",
    "translatedAt": "2026-07-18T13:40:20.633+00:00",
    "evidenceCheckedAt": "2026-07-17T08:56:01.871+00:00",
    "generatedAt": "2026-07-28T15:25:10.491Z"
  },
  "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.