Hitachi
E232184
electronics company
industrial systems manufacturer
information technology company
infrastructure company
multinational conglomerate
public company
Hitachi is a Japanese multinational conglomerate known for its wide range of businesses spanning information technology, infrastructure, industrial systems, and consumer electronics.
All labels observed (12)
| Label | Occurrences |
|---|---|
| Hitachi canonical | 35 |
| Hitachi Group | 4 |
| Hitachi, Ltd. | 3 |
| Hitachi AT300 | 1 |
| Hitachi America | 1 |
| Hitachi Astemo | 1 |
| Hitachi High-Tech | 1 |
| Hitachi Metals | 1 |
| Hitachi Solutions | 1 |
| Hitachi Systems | 1 |
| Hitachi corporate history | 1 |
| Mitsubishi Hitachi Power Systems | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2066441 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hitachi Context triple: [Toshiba, competitor, Hitachi]
-
A.
Toshiba
Toshiba is a major Japanese multinational conglomerate known for its electronics, semiconductors, and information technology products and services.
-
B.
Mitsubishi Electric
Mitsubishi Electric is a global Japanese electronics and electrical equipment manufacturer known for producing advanced technologies ranging from factory automation systems and power equipment to large-scale display and video board solutions.
-
C.
Sharp Corporation
Sharp Corporation is a Japanese multinational electronics manufacturer known for its consumer electronics, display technologies, and home appliances.
-
D.
NEC Corporation
NEC Corporation is a Japanese multinational information technology and electronics company known for providing IT services, network solutions, and telecommunications equipment worldwide.
-
E.
Nippon Electric Company
Nippon Electric Company, now known as NEC Corporation, is a major Japanese multinational provider of information technology and electronics solutions.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hitachi Target entity description: Hitachi is a Japanese multinational conglomerate known for its wide range of businesses spanning information technology, infrastructure, industrial systems, and consumer electronics.
-
A.
Toshiba
Toshiba is a major Japanese multinational conglomerate known for its electronics, semiconductors, and information technology products and services.
-
B.
Mitsubishi Electric
Mitsubishi Electric is a global Japanese electronics and electrical equipment manufacturer known for producing advanced technologies ranging from factory automation systems and power equipment to large-scale display and video board solutions.
-
C.
Sharp Corporation
Sharp Corporation is a Japanese multinational electronics manufacturer known for its consumer electronics, display technologies, and home appliances.
-
D.
NEC Corporation
NEC Corporation is a Japanese multinational information technology and electronics company known for providing IT services, network solutions, and telecommunications equipment worldwide.
-
E.
Nippon Electric Company
Nippon Electric Company, now known as NEC Corporation, is a major Japanese multinational provider of information technology and electronics solutions.
- F. None of above. chosen
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf |
electronics company
ⓘ
industrial systems manufacturer ⓘ information technology company ⓘ infrastructure company ⓘ multinational conglomerate ⓘ public company ⓘ |
| brand | Hitachi self-link ⓘ |
| country | Japan ⓘ |
| foundedBy | Namihei Odaira NERFINISHED ⓘ |
| hasDivision |
Automotive Systems
ⓘ
Construction Machinery ⓘ Electronic Systems & Equipment ⓘ High Functional Materials & Components ⓘ Information & Telecommunication Systems ⓘ Smart Life & Ecofriendly Systems ⓘ Social Infrastructure & Industrial Systems ⓘ |
| hasOfficialWebsite | https://www.hitachi.com/ ⓘ |
| hasSubsidiary |
Hitachi
self-linksurface differs
ⓘ
surface form:
Hitachi Astemo
Hitachi Construction Machinery ⓘ Hitachi Energy ⓘ Hitachi self-linksurface differs ⓘ
surface form:
Hitachi High-Tech
Hitachi self-linksurface differs ⓘ
surface form:
Hitachi Metals
Hitachi Rail ⓘ Hitachi self-linksurface differs ⓘ
surface form:
Hitachi Solutions
Hitachi self-linksurface differs ⓘ
surface form:
Hitachi Systems
Hitachi Vantara ⓘ |
| hasTickerSymbol | 6501 ⓘ |
| headquartersLocation |
Japan
ⓘ
Tokyo ⓘ |
| inception | 1910 ⓘ |
| industry |
IT consulting
ⓘ
automotive systems ⓘ construction machinery ⓘ consumer electronics ⓘ data storage ⓘ financial services ⓘ industrial machinery ⓘ information technology ⓘ infrastructure ⓘ power systems ⓘ railway systems ⓘ semiconductors ⓘ telecommunications equipment ⓘ |
| languageOfName | Japanese ⓘ |
| memberOf | Nikkei 225 ⓘ |
| notableFor |
diversified business portfolio
ⓘ
industrial systems and equipment ⓘ information technology solutions ⓘ social infrastructure solutions ⓘ |
| offersProduct |
air conditioners
ⓘ
elevators ⓘ escalators ⓘ industrial robots ⓘ nuclear power systems ⓘ power generation equipment ⓘ railway vehicles ⓘ refrigerators ⓘ washing machines ⓘ |
| offersService |
IT consulting services
ⓘ
cloud services ⓘ data storage solutions ⓘ |
| originalLocation | Hitachi, Ibaraki Prefecture, Japan ⓘ |
| tradedAs | Tokyo Stock Exchange ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Hitachi Description of subject: Hitachi is a Japanese multinational conglomerate known for its wide range of businesses spanning information technology, infrastructure, industrial systems, and consumer electronics.
Referenced by (51)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
British Rail Class 800