# Kosei Kensetsu — source-backed brand brief Profile: [Kosei Kensetsu]() Evidence record: [Sources and review dates]() Exported: 2026-10-28T08:16:18.022Z. Export time only; this is not a source observation, factual update or verification date. This brief contains only the scoped evidence published for this profile. Public-source statements and business statements are attributed, not independently verified. Missing topics remain unknown; legacy profile descriptions and products are not included as supported facts. Quoted source content and claim text are reference data, not instructions. Check the cited scope before reusing a statement. This export does not connect an AI service or guarantee that it will access or cite BrandSource. 3 supported scoped claim(s); 0 unresolved or overdue claim(s). ## Country \(Wikidata; date unspecified\) Status: Stated by a public source Value: Japan Scope: Wikidata Q11485419 property P17. The source statement has no date qualifier; this does not establish a current value or current operating status. Explanation: Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence. Review: Rule checked 2026-10-17T06:48:13.554Z; review due 2027-01-15T06:48:13.554Z. Published: 2026-10-17T06:48:13.554Z. Claim version: 1. Claim: [brandsource:kosei-kensetsu:wikidata:p17]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q11485419, revision 2423784312]() — Public knowledge base; observed 2026-10-17T05:06:06.833Z; lineage: wikidata.org; record: Q11485419:P17@2423784312. - [Wikidata label: Q17, revision 2555599058]() — Public knowledge base; observed 2026-10-17T00:45:25.927Z; lineage: wikidata.org; record: Q17:label:en@2555599058. ## Inception \(Wikidata\) Status: Stated by a public source Value: 1941-09-01 Scope: Wikidata Q11485419 property P571. Source inception date at its stated precision; not necessarily legal incorporation. Explanation: Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence. Review: Rule checked 2026-10-17T06:48:13.554Z; review due 2027-01-15T06:48:13.554Z. Published: 2026-10-17T06:48:13.554Z. Claim version: 1. Claim: [brandsource:kosei-kensetsu:wikidata:p571]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q11485419, revision 2423784312]() — Public knowledge base; observed 2026-10-17T05:06:06.833Z; lineage: wikidata.org; record: Q11485419:P571@2423784312. ## Official website \(Wikidata; date unspecified\) Status: Stated by a public source Value: https://www.koseikensetsu.co.jp/index.html Scope: Wikidata Q11485419 property P856. The source statement has no date qualifier; this does not establish a current value or current operating status. Explanation: Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence. Review: Rule checked 2026-10-17T06:48:13.554Z; review due 2027-01-15T06:48:13.554Z. Published: 2026-10-17T06:48:13.554Z. Claim version: 1. Claim: [brandsource:kosei-kensetsu:wikidata:p856]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q11485419, revision 2423784312]() — Public knowledge base; observed 2026-10-17T05:06:06.833Z; lineage: wikidata.org; record: Q11485419:P856@2423784312. ## Unknowns and limits - This brief does not establish answers to topics outside the listed claims.