Tokyo Denki
E233129
Tokyo Denki was a Japanese electrical company that became a predecessor of the modern electronics conglomerate Toshiba.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tokyo Denki canonical | 1 |
| Tokyo Shibaura Denki | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2066407 — 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: Tokyo Denki Context triple: [Toshiba, foundedBy, Tokyo Denki]
-
A.
Nippon Electric Company
Nippon Electric Company, now known as NEC Corporation, is a major Japanese multinational provider of information technology and electronics solutions.
-
B.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
C.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
D.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
E.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
- 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: Tokyo Denki Target entity description: Tokyo Denki was a Japanese electrical company that became a predecessor of the modern electronics conglomerate Toshiba.
-
A.
Nippon Electric Company
Nippon Electric Company, now known as NEC Corporation, is a major Japanese multinational provider of information technology and electronics solutions.
-
B.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
C.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
D.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
E.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf | Japanese electrical company ⓘ |
| businessType | manufacturing company ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| dissolvedInto | Toshiba ⓘ |
| hasSuccessor | Toshiba ⓘ |
| industry |
electrical equipment
ⓘ
electronics ⓘ |
| locationCountry | Japan ⓘ |
| notableFor | being a predecessor of Toshiba ⓘ |
| partOfHistoryOf | Toshiba ⓘ |
| predecessorOf | Toshiba ⓘ |
| productType |
electrical appliances
ⓘ
electrical components ⓘ |
| status | defunct ⓘ |
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: Tokyo Denki Description of subject: Tokyo Denki was a Japanese electrical company that became a predecessor of the modern electronics conglomerate Toshiba.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.