鉱研工業株式会社
Tokyo, Japan
Active| Registration number | T8013301022968 |
|---|---|
| Type | Corporation |
| Registered name | 鉱研工業株式会社 |
| Address | 東京都豊島区高田２丁目１７番２２号 2-17-22 Takada, Toshima-ku, Tokyo 171-0033, JAPAN |
| Corporate number | 8013301022968 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
The invoice registration date is when the qualified-invoice-issuer registration (T-number) took effect — it is not the date the company was founded, and it resets only if the business re-registers after revocation or expiry.
Corporate registry record
| Entity type | Kabushiki Kaisha (stock company) |
|---|---|
| Representative | 代表取締役社長 木山 隆二郎 |
| Reading (furigana) | コウケンコウギョウ |
| Reading (romaji) | Kokenkogyo |
| English name (unofficial) | Koken Boring Machine |
| Postal code | 171-0033 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business summary | 各種ボーリングマシン、地盤改良機器および基礎工事機械の製造・販売ならびに工事施工。 |
|---|---|
| Business lines | E:製造業 |
| Employees | 247 （male 205 / female 42） |
| Capital | ¥1.17B |
| Incorporated | 1947-10-16 |
| Website | www.koken-boring.co.jp |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Government contract awards (GEPS)
No public national-government (GEPS) award records for this company in the open data (FY2013 to date).
出典：調達ポータル（https://www.p-portal.go.jp/）
Payments from national budget programmes (行政事業レビュー)
Ministry review sheets report this company as a payee of 1 programme (1 lines, sheet years 2025–2025; total ¥8.2M).
| 2025 FY2024 | 技術協力活用型・新興国市場開拓事業 ¥8.2M （経済産業省） 「社会課題解決型国際共同開発事業」の実施（間接補助先） |
|---|
Contract details (excerpt): 社会課題解決型国際共同開発事業の実施 ¥8.2M・補助金等交付 · bidders 0
Source: 行政事業レビュー見える化サイト (Cabinet Secretariat, PDL 1.0) — edited extract by LoreaTec. A sheet year describes the previous fiscal year’s spending. Programme database →
Licenses, registrations & certifications (gBizINFO)
| 2023-03-27 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
|---|---|
| 2021-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
| 2019-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
Source: gBizINFO (METI) notifications & certifications dataset, refreshed monthly. Some licenses (e.g. construction 建設業許可, electrician registrations) are not part of the gBizINFO dataset.
Verify in official sources
Doing due diligence on this supplier?
Verifying the invoice number is step one. Our guide covers the full checklist: corporate registry, licenses, and import/export standing.
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t8013301022968) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-22.
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