Elpida Memory
E811078
Elpida Memory was a Japanese semiconductor company specializing in DRAM products before being acquired by Micron Technology.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Elpida Memory canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9614344 — 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: Elpida Memory Context triple: [Micron Technology, acquired, Elpida Memory]
-
A.
Elpida Group
Elpida Group is an investment holding company known for owning a significant stake in the UK hospitality firm Mitchells & Butlers plc.
-
B.
Monolithic Memories
Monolithic Memories was a semiconductor company known for developing programmable read-only memory (PROM) and logic devices after being spun off from Fairchild Semiconductor.
-
C.
Toshiba Memory Corporation
Toshiba Memory Corporation was the former memory business of Toshiba, known for producing NAND flash and solid-state storage solutions before being spun off and later rebranded as Kioxia.
-
D.
Micron Technology
Micron Technology is a leading American semiconductor company known for designing and manufacturing memory and storage solutions, including DRAM and NAND flash products used in computers, mobile devices, and data centers.
-
E.
Hitachi Semiconductor
Hitachi Semiconductor was the semiconductor division of Hitachi, Ltd., known for developing the SuperH (SH) family of RISC microprocessors widely used in embedded systems and consumer electronics.
- 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: Elpida Memory Target entity description: Elpida Memory was a Japanese semiconductor company specializing in DRAM products before being acquired by Micron Technology.
-
A.
Elpida Group
Elpida Group is an investment holding company known for owning a significant stake in the UK hospitality firm Mitchells & Butlers plc.
-
B.
Monolithic Memories
Monolithic Memories was a semiconductor company known for developing programmable read-only memory (PROM) and logic devices after being spun off from Fairchild Semiconductor.
-
C.
Toshiba Memory Corporation
Toshiba Memory Corporation was the former memory business of Toshiba, known for producing NAND flash and solid-state storage solutions before being spun off and later rebranded as Kioxia.
-
D.
Micron Technology
Micron Technology is a leading American semiconductor company known for designing and manufacturing memory and storage solutions, including DRAM and NAND flash products used in computers, mobile devices, and data centers.
-
E.
Hitachi Semiconductor
Hitachi Semiconductor was the semiconductor division of Hitachi, Ltd., known for developing the SuperH (SH) family of RISC microprocessors widely used in embedded systems and consumer electronics.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
DRAM manufacturer
ⓘ
semiconductor company ⓘ |
| acquiredBy | Micron Technology ⓘ |
| acquisitionAnnouncedBy | Micron Technology ⓘ |
| acquisitionCompletedIn | 2013 ⓘ |
| competitor |
Micron Technology
ⓘ
SK Hynix ⓘ
linked to:
SK hynix
Samsung Electronics ⓘ
linked to:
Samsung
|
| country | Japan ⓘ |
| customer |
PC OEMs
ⓘ
server manufacturers ⓘ smartphone manufacturers ⓘ |
| filedFor |
bankruptcy protection in Japan
ⓘ
corporate reorganization ⓘ |
| formedBy | merger of NEC's DRAM business and Hitachi's DRAM business ⓘ |
| foundedBy |
Hitachi
ⓘ
NEC ⓘ |
| hasSubsidiary | Rexchip Electronics ⓘ |
| headquartersLocation |
Japan
ⓘ
Tokyo ⓘ |
| industry |
dynamic random-access memory
ⓘ
semiconductors ⓘ |
| knownFor |
high-density DRAM chips
ⓘ
low-power mobile DRAM ⓘ |
| languageOfName | Greek ⓘ |
| listedOn | Tokyo Stock Exchange ⓘ |
| market |
PC memory
ⓘ
consumer electronics ⓘ mobile devices ⓘ servers ⓘ |
| meaningOfName |
Elpida means hope in Greek
ⓘ
linked to:
Hope (English)
|
| notableEvent |
acquisition by Micron Technology in 2013
ⓘ
corporate reorganization filing in early 2010s ⓘ |
| parentCompanyAfterAcquisition | Micron Technology ⓘ |
| product |
commodity DRAM
ⓘ
graphics DRAM ⓘ mobile DRAM ⓘ server DRAM ⓘ |
| productionFacilityLocation |
Hiroshima Prefecture
ⓘ
Japan ⓘ |
| reasonForDefunct | acquired by Micron Technology ⓘ |
| specializesIn | DRAM products ⓘ |
| status | defunct ⓘ |
| technologyNode | advanced DRAM process technologies ⓘ |
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: Elpida Memory Description of subject: Elpida Memory was a Japanese semiconductor company specializing in DRAM products before being acquired by Micron Technology.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.