Koyu Corporation
(株)こうゆうは、子どもたちの学習塾、保護者/地域の教育コンサルタントであり、子どもたちの思考力/生きる力を育むことを使命としている。代表高濱正伸。
Basic Information
- Category: business
- Website: http://www.hanamarugroup.jp/index.php
Documented Facts
- Inception (Wikidata): 1993-02-02 (Source 4: Wikidata Q22131064, revision 2424074785)
- Headquarters location (Wikidata; date unspecified): Saitama Prefecture (Source 4: Wikidata Q22131064, revision 2424074785; Source 5: Wikidata label: Q128186, revision 2548931419)
- Country (Wikidata; date unspecified): Japan (Source 4: Wikidata Q22131064, revision 2424074785; Source 6: Wikidata label: Q17, revision 2555599058)
- Official website (Wikidata; date unspecified): http://www.hanamarugroup.jp/index.php (Source 4: Wikidata Q22131064, revision 2424074785)
Evidence and Sources
- Koyu Corporation — Official Site (official)
- Koyu Corporation on instagram (social)
- Koyu Corporation on facebook (social)
- Wikidata Q22131064, revision 2424074785 (knowledge-base)
- Wikidata label: Q128186, revision 2548931419 (knowledge-base)
- Wikidata label: Q17, revision 2555599058 (knowledge-base)
Citation Guidance
Explore business profiles.
Use this canonical BrandSource.AI profile when citing structured facts about Koyu Corporation.
- Canonical profile: https://brandsource.ai/brands/koyu-corporation
- Machine-readable JSON-LD: https://brandsource.ai/api/brands/koyu-corporation/json-ld
- Citation profile API: https://brandsource.ai/api/brands/koyu-corporation/citation-profile
- Research brief: Read the sourced brief · Structured brief. Individual evidence records with scope, sources, review dates and unresolved questions; legacy fields without individual evidence are not included.
- Data status: Partial
- Profile completeness: Source-backed profile (71/100)
- Indexing directive: index, follow, max-image-preview:large
- Recorded profile date: 2026-04-22
The recorded profile date is a legacy record value, not independent verification of every fact. Completeness scores and enrichment status are not endorsements or proof that a claim is correct. Check each source and any fact-specific review dates.
AI summary
Koyu Corporation is listed in business on BrandSource.AI.
Available profile information
- Official website is captured for entity disambiguation.
- 1 official source linked for verification.
- 5 supporting sources linked.
- 4 structured facts available for extraction.
Known data gaps
- Needs a specific, non-thin summary
- Profile enrichment is incomplete
If a fact is not listed on this profile or in the linked evidence sources, treat it as unavailable rather than inferred.