Enforcement record
Directive against 株式会社岩本工業
This page is one enforcement record linked to a confirmed legal entity. Company-level Official Gazette notices, registry data, related-company signals, and other public records are collected on the company profile.
View company profileAction type
Directive
Law
Construction Business Act
Authority
Saitama Prefecture
Action date
19 January 2026
RegBase evidence report
Japanese public-record enforcement check
Saveable record of the confirmed target entity, regulator disclosure, source status, and review notes for internal compliance files.
- Report ID
- RB-EN-ENFORCEMENT-KENSETSU-GYOHO-YA-202608172350
- Generated at
- 18 August 2026 at 08:50
- Record URL
- https://regbase.jp/en/enforcement/kensetsu-gyoho-yan-ben-gong-ye-20260119
1. Review Summary
| Target entity | 株式会社岩本工業 | Corporate Number | 5030001083986 |
|---|---|---|---|
| Enforcement record | 1 record | Other confirmed records for this company | 0 records |
| Action date | 19 January 2026 | Authority | Saitama Prefecture |
| Law | Construction Business Act | Action type | Directive |
| Source status | Official source recorded; preserved archive is being prepared | ||
This report summarizes public Japanese government disclosure data held by RegBase. It is not a credit score, sanctions conclusion, legal opinion, or adverse-media determination. Confirm important decisions against the linked official Japanese source.
2. Target Entity
| English display name | 株式会社岩本工業 |
|---|---|
| Original Japanese name | 株式会社岩本工業 |
| English-name source | Japanese original |
| Corporate Number | 5030001083986 |
| Company status | Active |
| Representative | 岩本 大助 |
| Registered address | 埼玉県川口市上青木3丁目12番1号 |
| Industry / capital | Industry: 建設業 / Capital: - |
3. Enforcement Record
| Target name in disclosure | 株式会社岩本工業 |
|---|---|
| Authority | Saitama Prefecture (埼玉県) |
| Law / action type | Construction Business Act / Directive |
| Action / announcement date | Action: 19 January 2026 / Announcement: 25 April 2026 |
| English summary | On July 7, 2022, in the Chiba Inzai area tunnel construction (Part 1) within Funabashi City, Chiba Prefecture, the company failed to direct work according to the work plan for a boom lift. As a result, Iwamoto Corporation was fined 200,000 yen by the Ichikawa Summary Court for violating Article 20 of the Industrial Safety and Health Act, and the judgment was finalized on July 17, 2025. This constitutes a violation of Article 28, Paragraph 1, Item 3 of the Construction Business Act. |
| Original Japanese text | 令和4年7月7日、千葉県船橋市内の千葉印西エリア洞道新設工事(その1)において、高所作業車の作業計画どおりに作業の指揮を行わせなかった。 これにより、株式会社岩本工業は労働安全衛生法第20条違反により市川簡易裁判所から罰金200,000円の判決を受け、令和7年7月17日に当該判決が確定した。 このことは、建設業法第28条第1項第3号に該当する。 |
| Official source | https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1952 |
| Extraction / evidence timestamps | Extracted: 13 August 2026 at 00:11 / Evidence checked: 13 August 2026 at 00:11 / Archive captured: Not recorded |
4. Business Location and Permit Details
| Business location address | 埼玉県川口市上青木三丁目12番1号 |
|---|---|
| Representative | 岩本 大助 |
| Permit / registration number | 埼玉県知事許可(般-5)第67567号 |
| Permitted business types | とび |
| Legal articles | 建設業法第28条第1項(第3号該当) |
| Cause of action | 令和4年7月7日、千葉県船橋市内の千葉印西エリア洞道新設工事(その1)において、高所作業車の作業計画どおりに作業の指揮を行わせなかった。 これにより、株式会社岩本工業は労働安全衛生法第20条違反により市川簡易裁判所から罰金200,000円の判決を受け、令和7年7月17日に当該判決が確定した。 このことは、建設業法第28条第1項第3号に該当する。 |
| Overview page | https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1952 |
5. Other Confirmed Records for This Company
No other confirmed enforcement records linked to this company are shown within the current RegBase coverage.
Reviewer Notes
| Reviewer | Team / company | ||
|---|---|---|---|
| Review purpose | |||
| Additional notes | |||
- □ Official source URL or archived source was checked.
- □ Corporate Number, address, or other identifiers were reviewed to avoid confusing similarly named entities.
- □ This document is understood as a public-record evidence file, not a credit decision or legal opinion.
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Action summary
- Company
- 株式会社岩本工業Japanese originalOriginal: 株式会社岩本工業Corporate Number: 5030001083986
- Entity match
- Confirmed entity match100/100Machine checkedsource_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 January 2026
- Issuing authority
- Saitama Prefecture埼玉県
- Industry context
- 建設業者
Violation
On July 7, 2022, in the Chiba Inzai area tunnel construction (Part 1) within Funabashi City, Chiba Prefecture, the company failed to direct work according to the work plan for a boom lift. As a result, Iwamoto Corporation was fined 200,000 yen by the Ichikawa Summary Court for violating Article 20 of the Industrial Safety and Health Act, and the judgment was finalized on July 17, 2025. This constitutes a violation of Article 28, Paragraph 1, Item 3 of the Construction Business Act.
Show original Japanese text
令和4年7月7日、千葉県船橋市内の千葉印西エリア洞道新設工事(その1)において、高所作業車の作業計画どおりに作業の指揮を行わせなかった。 これにより、株式会社岩本工業は労働安全衛生法第20条違反により市川簡易裁判所から罰金200,000円の判決を受け、令和7年7月17日に当該判決が確定した。 このことは、建設業法第28条第1項第3号に該当する。
Business location and permit details
- Business location address
- 埼玉県川口市上青木三丁目12番1号
- Representative
- 岩本 大助
- Permit / registration number
- 埼玉県知事許可(般-5)第67567号
- Permitted business types
- とび
- Legal articles
- 建設業法第28条第1項(第3号該当)
- Cause of action
- 令和4年7月7日、千葉県船橋市内の千葉印西エリア洞道新設工事(その1)において、高所作業車の作業計画どおりに作業の指揮を行わせなかった。 これにより、株式会社岩本工業は労働安全衛生法第20条違反により市川簡易裁判所から罰金200,000円の判決を受け、令和7年7月17日に当該判決が確定した。 このことは、建設業法第28条第1項第3号に該当する。
- Overview page
- https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1952
These fields are extracted from the original Japanese disclosure or linked overview pages when available.
Compliance context
MediumA 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.
Evidence pack
- Extracted at
- 2026-08-12T15:11:19.379+00:00
- Evidence checked
- 2026-08-12T15:11:19.015+00:00
- Archive captured
- Not archived
Show audit JSON
{
"record": {
"id": "eb91b0b7-2777-439f-9ab0-2485372bd437",
"url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-yan-ben-gong-ye-20260119",
"company_name_original": "株式会社岩本工業",
"company_name_registry": "株式会社岩本工業",
"corporate_number": "5030001083986",
"law": {
"ja": "建設業法",
"en": "Construction Business Act"
},
"action_type": {
"ja": "指示",
"en": "Directive"
},
"authority": {
"ja": "埼玉県",
"en": "Saitama 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-yan-ben-gong-ye-20260119",
"officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1952",
"officialDocumentUrl": null,
"archiveUrl": null,
"archivedSourceUrl": null,
"archiveCapturedAt": null,
"extractedAt": "2026-08-12T15:11:19.379+00:00",
"translatedAt": "2026-05-01T07:32:36.069+00:00",
"evidenceCheckedAt": "2026-08-12T15:11:19.015+00:00",
"generatedAt": "2026-08-17T23:50:41.450Z"
},
"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
- 株式会社岩本工業 Japanese original
- Japanese name
- 株式会社岩本工業
- Corporate Number
- 5030001083986
- Registered address
- 埼玉県川口市上青木3丁目12番1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.