Itsukishobo
五ツ木書房webサイト。中3生対象「五ツ木の模擬テスト会」、小6生対象「五ツ木・駸々堂中学進学学力テスト会」、中3生対象（京都）「五ツ木京都模擬テスト会」を主催。中学校教材を発行。教育に貢献する出版社です。
Basic Information
- Category: business
- Website: http://www.itsuki-s.co.jp/
Documented Facts
- Inception (Wikidata): 1956-05-02 (Source 3: Wikidata Q11371963, revision 2471771526)
- Legal form (Wikidata; date unspecified): kabushiki gaisha (Source 3: Wikidata Q11371963, revision 2471771526; Source 4: Wikidata label: Q1480166, revision 2547815844)
- Headquarters location (Wikidata; date unspecified): Osaka Prefecture (Source 3: Wikidata Q11371963, revision 2471771526; Source 5: Wikidata label: Q122723, revision 2555655873)
- Country (Wikidata; date unspecified): Japan (Source 3: Wikidata Q11371963, revision 2471771526; Source 6: Wikidata label: Q17, revision 2555599058)
Evidence and Sources
- Itsukishobo — Official Site (official)
- Itsukishobo on instagram (social)
- Wikidata Q11371963, revision 2471771526 (knowledge-base)
- Wikidata label: Q1480166, revision 2547815844 (knowledge-base)
- Wikidata label: Q122723, revision 2555655873 (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 Itsukishobo.
- Canonical profile: https://brandsource.ai/brands/itsukishobo
- Machine-readable JSON-LD: https://brandsource.ai/api/brands/itsukishobo/json-ld
- Citation profile API: https://brandsource.ai/api/brands/itsukishobo/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: Enriched
- Profile completeness: Source-backed profile (76/100)
- 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
Itsukishobo 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
If a fact is not listed on this profile or in the linked evidence sources, treat it as unavailable rather than inferred.