株式会社オープンストリーム
Tokyo, Japan
Revoked| Registration number | T9010001076542 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社オープンストリーム |
| Address | 東京都新宿区西新宿２丁目７番１号 2-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, JAPAN |
| Corporate number | 9010001076542 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
| Record last updated | 2025-10-23 |
| Revoked on | 2025-07-01 |
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) |
|---|---|
| Reading (furigana) | オープンストリーム |
| Reading (romaji) | Opunsutorimu |
| English name (unofficial) | Open Stream K.K. |
| Closed | 2025-07-14 |
| Postal code | 160-0023 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Timeline — registry changes
| 2025-07-14 | Registry record closed (dissolution / liquidation) — dissolved by merger successor: 5011101093175 |
|---|
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/）
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 ¥33.8M).
| 2025 FY2024 | 公共サービスメッシュ（デジタル連携基盤）（情報通信技術調達等適正・効率化推進費） ¥33.8M （デジタル庁） 設計・開発業務の再委託 |
|---|
Contract details (excerpt): 公共サービスメッシュ（機関間情報連携サービス）の設計・開発業務の再委託 ¥33.8M・その他
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 →
Verify in official sources
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How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t9010001076542) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-21.
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