Eisai
E24939
Eisai is a Japanese pharmaceutical company known for developing treatments in neurology and oncology, including Alzheimer’s disease therapies.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Eisai canonical | 10 |
| Eisai Co., Ltd. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T195392 — 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: Eisai Context triple: [Biogen, collaboratesWith, Eisai]
-
A.
Eli Lilly and Company
Eli Lilly and Company is a major American pharmaceutical corporation known for developing and manufacturing a wide range of prescription medicines, including treatments for diabetes, cancer, and mental health disorders.
-
B.
GlaxoSmithKline
GlaxoSmithKline is a global biopharmaceutical company known for developing and manufacturing prescription medicines, vaccines, and consumer healthcare products.
-
C.
Biogen
Biogen is a major American biotechnology company known for developing therapies for neurological and neurodegenerative diseases.
-
D.
Genentech
Genentech is a pioneering American biotechnology company known for developing groundbreaking therapies and being one of the first firms to apply genetic engineering to medicine.
-
E.
Johnson & Johnson
Johnson & Johnson is a multinational healthcare conglomerate best known for its pharmaceuticals, medical devices, and consumer health products.
- 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: Eisai Target entity description: Eisai is a Japanese pharmaceutical company known for developing treatments in neurology and oncology, including Alzheimer’s disease therapies.
-
A.
Eli Lilly and Company
Eli Lilly and Company is a major American pharmaceutical corporation known for developing and manufacturing a wide range of prescription medicines, including treatments for diabetes, cancer, and mental health disorders.
-
B.
GlaxoSmithKline
GlaxoSmithKline is a global biopharmaceutical company known for developing and manufacturing prescription medicines, vaccines, and consumer healthcare products.
-
C.
Biogen
Biogen is a major American biotechnology company known for developing therapies for neurological and neurodegenerative diseases.
-
D.
Genentech
Genentech is a pioneering American biotechnology company known for developing groundbreaking therapies and being one of the first firms to apply genetic engineering to medicine.
-
E.
Johnson & Johnson
Johnson & Johnson is a multinational healthcare conglomerate best known for its pharmaceuticals, medical devices, and consumer health products.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
multinational corporation
ⓘ
pharmaceutical company ⓘ public company ⓘ |
| collaboratesWith |
Biogen
ⓘ
other global pharmaceutical companies ⓘ |
| country | Japan ⓘ |
| developed |
Aricept
ⓘ
linked to:
Donepezil
Donepezil ⓘ Lecanemab ⓘ
linked to:
Leqembi
Leqembi ⓘ |
| developedForIndication |
Aricept – Alzheimer’s disease
ⓘ
Donepezil – Alzheimer’s disease ⓘ
linked to:
Donepezil
Lecanemab – Alzheimer’s disease ⓘ Leqembi – Alzheimer’s disease ⓘ
linked to:
Leqembi
|
| engagesIn |
clinical trials
ⓘ
drug development ⓘ drug discovery ⓘ |
| focusesOn |
Alzheimer’s disease
ⓘ
cancer ⓘ neurology ⓘ oncology ⓘ |
| foundedIn | Japan ⓘ |
| hasProduct |
Aricept
ⓘ
linked to:
Donepezil
Donepezil ⓘ Lecanemab ⓘ
linked to:
Leqembi
Leqembi ⓘ |
| hasResearchArea |
immuno-oncology
ⓘ
neurodegenerative diseases ⓘ oncology therapeutics ⓘ |
| hasTherapeuticArea |
central nervous system disorders
ⓘ
epilepsy ⓘ hematologic malignancies ⓘ solid tumors ⓘ |
| headquartersLocation |
Japan
ⓘ
Tokyo ⓘ |
| industry |
biotechnology
ⓘ
pharmaceutical industry ⓘ |
| knownFor |
Alzheimer’s disease therapies
ⓘ
neurology products ⓘ oncology products ⓘ |
| listedOn | Tokyo Stock Exchange ⓘ |
| operatesIn |
Asia
ⓘ
Europe ⓘ North America ⓘ global markets ⓘ |
| specializesIn |
prescription drugs
ⓘ
research and development ⓘ |
| tickerSymbol | 4523 ⓘ |
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: Eisai Description of subject: Eisai is a Japanese pharmaceutical company known for developing treatments in neurology and oncology, including Alzheimer’s disease therapies.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.