Kobe Steel
E819666
Kobe Steel is a major Japanese steel manufacturer and industrial conglomerate known for producing steel, aluminum, and machinery under the brand name Kobelco.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kobe Steel canonical | 5 |
| Kobe Steel Group | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9774944 — 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: Kobe Steel Context triple: [Kobelco Steelers, sponsor, Kobe Steel]
-
A.
Mitsubishi Steel Mfg
Mitsubishi Steel Mfg is a Japanese manufacturer specializing in steel products and components, operating as part of the broader Mitsubishi corporate group.
-
B.
Kaiser Steel
Kaiser Steel was a major American steel-producing company that played a significant role in U.S. industrial and wartime production in the mid-20th century.
-
C.
Sumitomo Corporation
Sumitomo Corporation is a major Japanese multinational trading and investment company and one of the core members of the Sumitomo Group conglomerate.
-
D.
Hayakawa Metal Works
Hayakawa Metal Works was the original manufacturing company founded by Tokuji Hayakawa in Japan that later evolved into the global electronics firm Sharp Corporation.
-
E.
Nippon Kobo
Nippon Kobo was a Japanese design and architecture firm active in the mid-20th century, known for its collaborations with prominent modernist designers such as Charlotte Perriand.
- 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: Kobe Steel Target entity description: Kobe Steel is a major Japanese steel manufacturer and industrial conglomerate known for producing steel, aluminum, and machinery under the brand name Kobelco.
-
A.
Mitsubishi Steel Mfg
Mitsubishi Steel Mfg is a Japanese manufacturer specializing in steel products and components, operating as part of the broader Mitsubishi corporate group.
-
B.
Kaiser Steel
Kaiser Steel was a major American steel-producing company that played a significant role in U.S. industrial and wartime production in the mid-20th century.
-
C.
Sumitomo Corporation
Sumitomo Corporation is a major Japanese multinational trading and investment company and one of the core members of the Sumitomo Group conglomerate.
-
D.
Hayakawa Metal Works
Hayakawa Metal Works was the original manufacturing company founded by Tokuji Hayakawa in Japan that later evolved into the global electronics firm Sharp Corporation.
-
E.
Nippon Kobo
Nippon Kobo was a Japanese design and architecture firm active in the mid-20th century, known for its collaborations with prominent modernist designers such as Charlotte Perriand.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
conglomerate
ⓘ
public company ⓘ steel manufacturer ⓘ |
| basedIn |
Kobe, Japan
ⓘ
linked to:
Kobe, Hyogo, Japan
|
| brand | Kobelco ⓘ |
| country | Japan ⓘ |
| foundedIn | Japan ⓘ |
| hasBrand |
Kobelco
ⓘ
Kobelco Compressors ⓘ
linked to:
Kobelco Compressors Corporation
Kobelco Construction Machinery ⓘ
linked to:
Kobelco
Kobelco Cranes ⓘ
linked to:
Kobelco
|
| hasDivision |
Aluminum and Copper Business
ⓘ
Construction Machinery Business ⓘ Electric Power Business ⓘ Engineering Business ⓘ Iron and Steel Business ⓘ Machinery Business ⓘ |
| hasSubsidiary |
Kobelco Compressors Corporation
ⓘ
Kobelco Construction Machinery Co., Ltd. ⓘ
linked to:
Kobelco
Kobelco Cranes Co., Ltd. ⓘ
linked to:
Kobelco
|
| headquartersLocation |
Kobe, Hyōgo Prefecture, Japan
ⓘ
linked to:
Kobe
|
| industry |
engineering
ⓘ
machinery manufacturing ⓘ metals industry ⓘ steel industry ⓘ |
| notableFor |
Kobelco construction machinery brand
ⓘ
production of aluminum products ⓘ production of industrial machinery ⓘ production of steel products ⓘ |
| operatesInSector |
construction equipment
ⓘ
energy ⓘ heavy industry ⓘ materials ⓘ |
| product |
aluminum
ⓘ
compressors ⓘ construction machinery ⓘ copper products ⓘ cranes ⓘ excavators ⓘ industrial machinery ⓘ power plant equipment ⓘ steel ⓘ welding materials ⓘ |
| regionServed | worldwide ⓘ |
| tradedAs |
Nagoya Stock Exchange
ⓘ
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: Kobe Steel Description of subject: Kobe Steel is a major Japanese steel manufacturer and industrial conglomerate known for producing steel, aluminum, and machinery under the brand name Kobelco.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.