ＯｐｅｎＡＩ Ｊａｐａｎ合同会社
Tokyo, Japan
Active| Registration number | T4010403030746 |
|---|---|
| Type | Corporation |
| Registered name | ＯｐｅｎＡＩ Ｊａｐａｎ合同会社 |
| Address | 東京都港区六本木１丁目４番５号アークヒルズサウスタワー |
| Corporate number | 4010403030746 |
| Corporate number assigned on | 2023-08-18 |
| Invoice registered on | 2023-10-01 |
| Record last updated | 2025-02-10 |
Invoice registration date = when the T-number took effect, not the founding date.
Corporate registry record
| Entity type | Godo Kaisha (LLC) |
|---|---|
| Reading (furigana) | オープンエイアイジャパン |
| Reading (romaji) | Opun'eiaijapan |
| English name (unofficial) | OpenAI Japan G.K. |
| Postal code | 107-0052 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Timeline — registry changes
| 2026-10-13 | Head-office address changed (Japan) |
|---|---|
| 2024-10-24 | Head-office address changed (Japan) |
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 ¥158,809).
| 2025 FY2024 | ハローワークの業務のオンライン化に伴う環境の整備 ¥158,809 （厚生労働省） ＣｈａｔＧＰＴアカウント利用料 |
|---|
Contract details (excerpt): ＣｈａｔＧＰＴアカウント利用料 ¥158,809・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
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t4010403030746) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-08.
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