NGK Insulators
E81407
NGK Insulators is a Japanese company best known as one of the world’s leading manufacturers of insulators, ceramics, and related electrical and electronic components.
All labels observed (9)
| Label | Occurrences |
|---|---|
| NGK Insulators canonical | 8 |
| NGK | 2 |
| NGK Insulators, Ltd. | 2 |
| NGK Ceramics | 1 |
| NGK Europe | 1 |
| NGK Group | 1 |
| NGK Insulators (headquarters in Nagoya) | 1 |
| NGK Insulators USA | 1 |
| NGK Spark Plug Co., Ltd. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T653678 — 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: NGK Insulators Context triple: [Nagoya, isHomeTo, NGK Insulators]
-
A.
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.
-
B.
Kawasaki
Kawasaki is a major industrial and residential city in Kanagawa Prefecture, Japan, located between Tokyo and Yokohama along the Tama River.
-
C.
Rockwell
Rockwell is an American singer and songwriter best known for his 1984 hit single "Somebody's Watching Me."
-
D.
Rockwell
Rockwell is the surname of Norman Rockwell, the iconic American painter and illustrator renowned for his depictions of everyday life in the United States.
-
E.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
- 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: NGK Insulators Target entity description: NGK Insulators is a Japanese company best known as one of the world’s leading manufacturers of insulators, ceramics, and related electrical and electronic components.
-
A.
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.
-
B.
Kawasaki
Kawasaki is a major industrial and residential city in Kanagawa Prefecture, Japan, located between Tokyo and Yokohama along the Tama River.
-
C.
Rockwell
Rockwell is the surname of Norman Rockwell, the iconic American painter and illustrator renowned for his depictions of everyday life in the United States.
-
D.
Rockwell
Rockwell is an American singer and songwriter best known for his 1984 hit single "Somebody's Watching Me."
-
E.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
ceramics manufacturer
ⓘ
manufacturing company ⓘ public company ⓘ |
| areaServed | worldwide ⓘ |
| brand |
NGK
ⓘ
linked to:
NGK Insulators
|
| country | Japan ⓘ |
| foundedBy | Kazuchika Okura ⓘ |
| hasBusinessOperation |
automotive-related ceramics
ⓘ
electronics ⓘ environmental systems ⓘ power transmission and distribution ⓘ |
| hasDivision |
Ceramics Business Group
ⓘ
Electronics Business Group ⓘ Power Business Group ⓘ |
| headquartersLocation |
Aichi Prefecture
NERFINISHED
ⓘ
Japan ⓘ Nagoya ⓘ |
| inception | 1919 ⓘ |
| industry |
ceramics industry
ⓘ
electrical equipment ⓘ electronic components ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| legalForm | Kabushiki gaisha ⓘ |
| locationCountry | Japan ⓘ |
| nativeLabel | 日本ガイシ株式会社 ⓘ |
| notableFor |
advanced ceramic technologies
ⓘ
high-voltage insulators ⓘ |
| officialName |
NGK Insulators, Ltd.
ⓘ
linked to:
NGK Insulators
|
| parentOrganization |
NGK Group
ⓘ
linked to:
NGK Insulators
|
| product |
NAS batteries
ⓘ
bushings ⓘ ceramic honeycomb substrates ⓘ ceramic products ⓘ electrical components ⓘ electronic components ⓘ environmental protection components ⓘ insulators ⓘ porous ceramics ⓘ power transmission insulators ⓘ substation insulators ⓘ surge arresters ⓘ |
| sharesBorderWith |
NGK Spark Plug Co., Ltd.
ⓘ
linked to:
NGK Insulators
|
| stockExchange | Tokyo Stock Exchange ⓘ |
| subsidiary |
NGK Ceramics
ⓘ
linked to:
NGK Insulators
NGK Europe ⓘ
linked to:
NGK Insulators
NGK Insulators USA ⓘ
linked to:
NGK Insulators
|
| tickerSymbol | 5333 ⓘ |
| website | https://www.ngk-insulators.com/ ⓘ |
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: NGK Insulators Description of subject: NGK Insulators is a Japanese company best known as one of the world’s leading manufacturers of insulators, ceramics, and related electrical and electronic components.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: NGK Insulators
linked to: NGK Insulators
linked to: NGK Insulators
linked to: NGK Insulators
linked to: NGK Insulators
linked to: NGK Insulators
linked to: NGK Insulators
linked to: NGK Insulators
linked to: NGK Insulators
subject linked to:
Nagoya, Aichi, Japan