株式会社計算科学
Tokyo, Japan
Active| Registration number | T4010001177931 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社計算科学 |
| Address | 東京都千代田区九段南１丁目５－６りそな九段ビル５ＦＫＳフロア |
| Corporate number | 4010001177931 |
| Corporate number assigned on | 2016-08-26 |
| 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 原口 誠 |
| Reading (furigana) | ケイサンカガク |
| Reading (romaji) | Keisankagaku |
| English name (unofficial) | Keisan Kagaku K.K. |
| Postal code | 102-0074 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business lines | G:情報通信業 |
|---|---|
| Employees | 32 |
| Incorporated | 2016-08-23 |
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 2024–2024; total ¥40.6M).
| 2024 FY2023 | 国立研究開発法人物質・材料研究機構運営費交付金に必要な経費 ¥40.6M （文部科学省） マテリアル研究開発を先導する研究基盤の構築等の活動 |
|---|
Contract details (excerpt): その他 ¥34.7M · bidders 0 ／ 原子ﾓﾃﾞﾙｼﾐｭﾚｰｼｮﾝ結果のﾃﾞｰﾀﾍﾞｰｽ構築のためのﾃﾞｰﾀ構造化処理ﾌﾟﾛｸﾞﾗﾑ ¥4.0M・随意契約（その他） · bidders 1 ／ 材料データプラットフォームハード ¥1.1M・随意契約（公募） · bidders 1 ／ (派遣)システム基盤整備・運用に係るＩＴ技術者の派遣 ¥852,500・随意契約（少額）
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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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/t4010001177931) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-23.
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