Japan
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広告業及び広告代理業
コンテストの企画・実施・事務局運営
JDNメディア運営
Skhole by JDNメディア運営
登竜門メディア運営
デザインのお仕事メディア運営
東京都千代田区神田東松下町41-1 H¹O神田306 〒101-0042
15 people
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Contest iroha -コンテスト相談所-
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6 entries
| Date | Description |
| 1989-02-10 |
株式会社ゲーム設立 |
| 1997-09 |
株式会社丹青社の社内新規事業として「Japan Design Net(JDN)」スタート |
| 2002-04 |
株式会社丹青社による株式会社ゲームの子会社化 |
| 2009-02 |
株式会社ゲームに株式会社丹青社のメディア事業とコンテスト運営事業等を譲渡・統合し、株式会社TmGに商号変更 |
| 2009-06 |
株式会社丹青社による株式会社TmGの完全子会社化 |
| 2012-02 |
事業を再編し、株式会社JDNに商号変更 |
7010501033565
| Trade name | 株式会社JDN |
| Trade name (kana) | ジェイディーエヌ |
| Name in English | |
| Corporation type | 301 |
| Address | 〒101-0042 東京都千代田区神田東松下町41番地1 |
| Postal code | 1010042 |
| Prefecture code | 13 |
| City code | 101 |
| Address outside Japan | |
| Prefecture in English | |
| City in English | |
| Address outside Japan in English | |
| Corporate number assignment date | 2015-10-05 |
| Update date | 2023-05-10 |
| Change date | 2022-01-05 |
| Registry closure date | |
| Reason for registry closure | |
| Successor corporate number | |
| Details of the change | |
| Latest record | 1 |
| Excluded from search | 0 |
| Processing type | 12 |
| Correction type | 1 |
| Trade name image ID | |
| Address image ID | |
| Sequence number | 2207564 |
Source: National Tax Agency Corporate Number Publication Site, basic three items
7010501033565
| Corporate number | 7010501033565 |
| Trade name | 株式会社JDN |
| Trade name (kana) | ジェイディーエヌ |
| Trade name (alphabet) | |
| Registry closure date | |
| Reason for registry closure | |
| Registered address | 東京都千代田区神田東松下町41番地1 |
| Postal code | 1010042 |
| Prefecture | 東京都 |
| Prefecture code | 13 |
| City or district | 千代田区 |
| City code | 101 |
| Street address | 神田東松下町41番地1 |
| Organisation type | 301 |
| Processing type | 12 |
| Correction type | 1 |
| Status | |
| Representative | |
| Capital | |
| Employees | |
| Employees (male) | |
| Employees (female) | |
| Business summary | |
| Website URL | |
| Year founded | |
| Business category | |
| Date established | |
| Unified government qualification - grade | |
| Unified government qualification - business items | |
| Update date | 2023-05-10 |
| Key information | 7010501033565 |
Source: gBizINFO (Ministry of Economy, Trade and Industry)
2026-09-21 18:04 (Model: ggml-org/gpt-oss-20b )