What public compliance information is shown for 株式会社岩本工業?

RegBase shows confirmed public Japanese enforcement records attributed to this company, Corporate Number and registry context where available, original source links, entity-match signals, and related company signals derived from public records.

Does no listed enforcement record mean 株式会社岩本工業 is risk-free?

No. It only means RegBase has not currently attributed a confirmed matching public enforcement record from its monitored sources. It is not a credit opinion, sanctions result, legal conclusion, or full background check.

Company profile

Company profileConfirmed enforcement recordsJapanese original

株式会社岩本工業

株式会社岩本工業· Corporate Number: 5030001083986

This page aggregates company identity, Official Gazette notices, enforcement records, related-company signals, and source-review links into one public-record profile.

RegBase Evidence Report

Japanese Company Public-Record Check

Company identity, confirmed enforcement records, Official Gazette notices, and source-review fields for internal due-diligence files.

Report ID: RB-769215FA-54F6-43B2-8381-7BF5B5D4-202608180110
Generated at: 18 Aug 2026
Record URL: https://regbase.jp/en/company/769215fa-54f6-43b2-8381-7bf5b5d4bbf6

1. Check Summary

Display name	株式会社岩本工業	Original name	株式会社岩本工業
Corporate Number	5030001083986	Status	Active
Confirmed enforcement	1 record(s)	Official Gazette	0 notice(s)
Registry changes	0 item(s)	Related companies	0 candidate(s)
Latest public record	19 Jan 2026

This report summarizes public-source records collected by RegBase. It is not a credit opinion, sanctions result, legal conclusion, or procurement approval. Verify material findings against the linked original Japanese source before relying on them.

2. Company Identity

English display	株式会社岩本工業 (Japanese original)
Japanese name	株式会社岩本工業
Address	埼玉県川口市上青木３丁目１２番１号
Representative	岩本大助
Industry	建設業
Official website	Not recorded

3. Review Scope and Data Coverage

Target URL	https://regbase.jp/en/company/769215fa-54f6-43b2-8381-7bf5b5d4bbf6
Regulatory enforcement disclosures	1 confirmed record(s) linked in RegBase coverage
Official Gazette notices	No linked Official Gazette notice in RegBase coverage
Registry-source timestamps	Corporate Number site: not recorded / gBizINFO: not recorded / EDINET: not recorded

4. Confirmed Enforcement Records

1. 19 Jan 2026 Directive

Authority	Saitama Prefecture
Law / type	Construction Business Act / Directive
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.
Source	https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1952

5. Official Gazette Notices

No Official Gazette company notice is currently linked in RegBase coverage.

Reviewer Notes

Original sources checked
Reviewer / date
Internal notes

□ Linked official source URLs or source archives were 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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Public Record Summary

Total enforcement: 1records
Official Gazette: 0notices
Actions in last 3 years: 1records
Actions in last year: 1records
Latest public record: 19 Jan 2026
Total penalties: -
Registry changes: 0items

Compared with 4 peer companies with enforcement records in the 建設業 industry

This company: 1/peer average: 1 (median 1)→ around peer average

Company Identity and Registry Data

English display name: 株式会社岩本工業
Original Japanese name: 株式会社岩本工業
Corporate Number: 5030001083986
Representative: 岩本大助
Registered address: 埼玉県川口市上青木３丁目１２番１号
Industry: 建設業

Data sources

Enforcement and administrative action history

Construction Business ActDirective

Confirmed entity match

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.

19 Jan 2026Saitama Prefecture

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About this English name

No official English name source is recorded. The original Japanese name is shown.

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