有限会社ケイワンエアーシステム
Hiroshima, Japan
Active| Registration number | T9240002025731 |
|---|---|
| Type | Corporation |
| Registered name | 有限会社ケイワンエアーシステム |
| Address | 広島県広島市西区田方１丁目２７番１０号 1-27-10 Takata, Hiroshima-shi Nishi-ku, Hiroshima 733-0851, JAPAN |
| Corporate number | 9240002025731 |
| 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 | Yugen Kaisha (limited company) |
|---|---|
| Representative | 代表取締役 千代延 一人 |
| Reading (furigana) | ケイワンエアーシステム |
| Reading (romaji) | Keiwan'eashisutemu |
| English name (unofficial) | K-One Air System |
| Postal code | 733-0851 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 2005-04-01 |
|---|
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 2 programmes (2 lines, sheet years 2025–2025; total ¥29.3M).
| 2025 FY2024 | 諸器材購入費等（海自） ¥27.1M （防衛省） 部隊器材等の整備 |
|---|---|
| 2025 FY2024 | 諸器材等維持費等（海自） ¥2.3M （防衛省） 情報保全器材の維持管理、消耗品の購入 |
Contract details (excerpt): その他の契約 ¥16.0M・その他 ／ 空気調和装置，天吊形 ¥5.4M・一般競争契約（最低価格） · bidders 3 ／ 空気調和装置，壁掛型 外１件 ¥3.8M・一般競争契約（最低価格） · bidders 2 ／ 特殊電波防護チャンバーの維持・整備 ¥2.3M・随意契約（公募） · bidders 1 ／ 空気調和装置天吊型 外３件 ¥1.8M・一般競争契約（最低価格） · bidders 3
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)
| Construction business license Plumbing & piping works ／ General contractor・Hiroshima Governor license No. 040750 （Hiroshima） |
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/t9240002025731) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-22.
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