# Yamadatatsu — source-backed brand brief Profile: [Yamadatatsu]() Evidence record: [Sources and review dates]() Exported: 2026-10-30T04:48:26.104Z. 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 Q11470678 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 2026-10-17T03:08:55.548Z; review due 2027-01-15T03:08:55.548Z. Published: 2026-10-17T03:08:55.548Z. Claim version: 1. Claim: [brandsource:yamadatatsu:wikidata:p17]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q11470678, revision 2423781291]() — Public knowledge base; observed 2026-10-17T02:54:12.581Z; lineage: wikidata.org; record: Q11470678:P17@2423781291. - [Wikidata label: Q17, revision 2555599058]() — Public knowledge base; observed 2026-10-17T00:45:25.927Z; lineage: wikidata.org; record: Q17:label:en@2555599058. ## Headquarters location \(Wikidata; date unspecified\) Status: Stated by a public source Value: Osaka Scope: Wikidata Q11470678 property P159. 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 2026-10-17T03:08:55.548Z; review due 2027-01-15T03:08:55.548Z. Published: 2026-10-17T03:08:55.548Z. Claim version: 1. Claim: [brandsource:yamadatatsu:wikidata:p159]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q11470678, revision 2423781291]() — Public knowledge base; observed 2026-10-17T02:54:12.581Z; lineage: wikidata.org; record: Q11470678:P159@2423781291. - [Wikidata label: Q35765, revision 2539626242]() — Public knowledge base; observed 2026-10-17T03:06:57.049Z; lineage: wikidata.org; record: Q35765:label:en@2539626242. ## Official website \(Wikidata; date unspecified\) Status: Stated by a public source Value: http://www.auto-bi.jp/ Scope: Wikidata Q11470678 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 2026-10-17T03:08:55.548Z; review due 2027-01-15T03:08:55.548Z. Published: 2026-10-17T03:08:55.548Z. Claim version: 1. Claim: [brandsource:yamadatatsu:wikidata:p856]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q11470678, revision 2423781291]() — Public knowledge base; observed 2026-10-17T02:54:12.581Z; lineage: wikidata.org; record: Q11470678:P856@2423781291. ## Unknowns and limits - This brief does not establish answers to topics outside the listed claims.