株式会社窓研
Ibaraki, Japan
Active| Registration number | T4050001011228 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社窓研 |
| Address | 茨城県土浦市木田余東台３丁目２５番９号 3-25-9 Kidamarihigashidai, Tsuchiura-shi, Ibaraki 300-0027, JAPAN |
| Corporate number | 4050001011228 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
| Record last updated | 2025-04-25 |
Invoice registration date = when the T-number took effect, not the founding date.
Corporate registry record
| Entity type | Kabushiki Kaisha (stock company) |
|---|---|
| Reading (furigana) | ソウケン |
| Reading (romaji) | Soken |
| English name (unofficial) | Madoken |
| Postal code | 300-0027 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Timeline — registry changes
| 2025-03-05 | Name changed |
|---|
Source: daily change files of the NTA Corporate Number Publication Site. Before 2023-08-16 only the latest change is known. All company events →
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/）
Subsidies & grants received (gBizINFO)
3 published awards (2021-08-16 → 2023-11-15, 2 programmes, total ¥1.3M).
| 2023-11-15 | 令和５年度 住宅エコリフォーム推進事業 ¥288,000 （国土交通省） |
|---|---|
| 2023-09-12 | 令和５年度 住宅エコリフォーム推進事業 ¥208,000 （国土交通省） |
| 2021-08-16 | 働き方改革推進支援助成金 ¥798,000 （厚生労働省） |
Source: gBizINFO (METI) subsidy information, refreshed monthly. Amounts as published (grant decisions). Subsidies database →
Licenses, registrations & certifications (gBizINFO)
| Construction business license Glass works・Fittings works ／ General contractor・Ibaraki Governor license No. 035817 （Ibaraki） |
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
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t4050001011228) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-09.
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