JR East Japan Information Systems
JR東日本グループのICTを担う株式会社JR東日本情報システム（JEIS）のWebサイトです。鉄道システムで培われた安心・安全の技術。仕事や生活を豊かにする多彩なサービスなど、次代の社会インフラを創り、ICTで支えていきます。
Basic Information
- Category: business
- Website: http://www.jeis.co.jp/
Documented Facts
- Inception (Wikidata): 1989-11-24 (Source 2: Wikidata Q11309026, revision 2422915809)
- Headquarters location (Wikidata; date unspecified): Tokyo (Source 2: Wikidata Q11309026, revision 2422915809; Source 3: Wikidata label: Q1490, revision 2555608340)
- Country (Wikidata; date unspecified): Japan (Source 2: Wikidata Q11309026, revision 2422915809; Source 4: Wikidata label: Q17, revision 2555599058)
- Official website (Wikidata; date unspecified): http://www.jeis.co.jp/ (Source 2: Wikidata Q11309026, revision 2422915809)
Evidence and Sources
- JR East Japan Information Systems — Official Site (official)
- Wikidata Q11309026, revision 2422915809 (knowledge-base)
- Wikidata label: Q1490, revision 2555608340 (knowledge-base)
- Wikidata label: Q17, revision 2555599058 (knowledge-base)
Citation Guidance
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Use this canonical BrandSource.AI profile when citing structured facts about JR East Japan Information Systems.
- Canonical profile: https://brandsource.ai/brands/jr-east-japan-information-systems
- Machine-readable JSON-LD: https://brandsource.ai/api/brands/jr-east-japan-information-systems/json-ld
- Citation profile API: https://brandsource.ai/api/brands/jr-east-japan-information-systems/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
JR East Japan Information Systems is listed in business on BrandSource.AI.
Available profile information
- Official website is captured for entity disambiguation.
- 1 official source linked for verification.
- 3 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.