株式会社共和技研
Chiba, Japan
Active| Registration number | T7040001065486 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社共和技研 |
| Address | 千葉県柏市東１丁目２番５号 1-2-5 Azuma, Kashiwa-shi, Chiba 277-0014, JAPAN |
| Corporate number | 7040001065486 |
| 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 | Kabushiki Kaisha (stock company) |
|---|---|
| Representative | 代表取締役 瀬戸井 健一 |
| Reading (furigana) | キョウワギケン |
| Reading (romaji) | Kyowagiken |
| English name (unofficial) | Kyowa Giken K.K. |
| Postal code | 277-0014 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 1979-03-27 |
|---|
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 2025–2025; total ¥19.1M).
| 2025 FY2024 | 高レベル放射性廃棄物等の地層処分に関する技術開発委託費 ¥19.1M （経済産業省） 試料採取・前処理に関する調査 |
|---|
Contract details (excerpt): 高温膨潤試験装置 ¥8.3M・随意契約（その他） · bidders 1 ／ SUS製膨潤性能評価試験装置 ¥5.2M・随意契約（その他） · bidders 1 ／ アクリル製膨潤性能評価試験装置 ¥4.4M・随意契約（その他） · bidders 1 ／ 膨潤性能評価試験に関わる治具等の製作・購入 ¥792,000・随意契約（その他） · bidders 1 ／ 高温膨潤試験装置 ¥359,000・随意契約（その他） · bidders 1 ／ 遠心模型坑道プラグ ¥92,000・指名競争契約（最低価格） · bidders 2
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/t7040001065486) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-21.
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