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興洋マリン株式会社

Tokyo, Japan

Active
Registration numberT4020001000646
TypeCorporation
Registered name興洋マリン株式会社
Address東京都港区西新橋2丁目8番4号
2-8-4 Nishishimbashi, Minato-ku, Tokyo 105-0003, JAPAN
Corporate number4020001000646
Corporate number assigned on2015-10-05
Invoice registered on2023-10-01

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 typeKabushiki Kaisha (stock company)
Reading (furigana)コウヨウマリン
Reading (romaji)Koyomarin
English name (unofficial)Koyo Marine K.K.
Postal code105-0003

Source: NTA Corporate Number Publication Site, refreshed daily.

Government contract awards (GEPS)

No public national-government (GEPS) award records for this company in the open data (FY2013 to date).

Browse the awards database →

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 3 programmes (3 lines, sheet years 2024–2025; total ¥31.1M).

2025
FY2024
再生可能エネルギーの大量導入に向けた次世代型ネットワーク構築加速化事業 ¥12.1M (経済産業省)
深田サルベージ建設株式会社の再委託・外注先
2025
FY2024
再生可能エネルギーの大量導入に向けた次世代型ネットワーク構築加速化事業 ¥635,000 (経済産業省)
深田サルベージ建設株式会社の再委託・外注先
2024
FY2023
再生可能エネルギーの大量導入に向けた次世代ネットワーク構築加速化事業 ¥18.4M (経済産業省)

Contract details (excerpt): 令和5年度 再生可能エネルギー大量導入に向けた次世代型ネットワーク構築加速化事業 ¥12.1M・その他 · bidders 1 / 令和4年度再生可能エネルギーの大量導入に向けた次世代型ネットワーク構築加速化事業(実地調査のうち海洋調査) ¥635,000・その他 · bidders 1 / 警戒船業務 ¥18.4M · bidders 0

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 →

Doing due diligence on this supplier?

Verifying the invoice number is step one. Our guide covers the full checklist: corporate registry, licenses, and import/export standing.

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How to cite this page

Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t4020001000646) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-21.

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