株式会社コイシ
Oita, Japan
Active| Registration number | T6320001001075 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社コイシ |
| Address | 大分県大分市大字横尾３６１７番２ 大字横尾3617番2, Oita-shi, Oita, JAPAN |
| Corporate number | 6320001001075 |
| 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 小原 建二 |
| Reading (furigana) | コイシ |
| Reading (romaji) | Koishi |
| English name (unofficial) | Koishi |
| Postal code | 870-0126 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 1989-01-25 |
|---|
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 ¥10.0M).
| 2025 FY2024 | 建設技術の研究開発助成経費 ¥10.0M （国土交通省） 建設分野における研究開発 |
|---|
Contract details (excerpt): 重機ソナー（重機の衝突安全対策装置）の低価格・小型版の開発 ¥5.0M・補助金等交付 · bidders 1 ／ 2次元図面から３次元情報の自動抽出システム（エイヤー３次元） ¥5.0M・補助金等交付 · bidders 1
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)
| 2023-03-28 | 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
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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/t6320001001075) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-21.
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