Jun-ichi Nishizawa
E298339
Jun-ichi Nishizawa was a pioneering Japanese engineer and physicist often called the "father of Japanese microelectronics" for his foundational contributions to semiconductor and optoelectronic device technology.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jun-ichi Nishizawa canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1217999 — 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: Jun-ichi Nishizawa Context triple: [IEEE Jun-ichi Nishizawa Medal, namedAfter, Jun-ichi Nishizawa]
-
A.
Shigeo Hirose
Shigeo Hirose is a pioneering Japanese roboticist renowned for his innovative work in robot mechanisms and design, particularly in snake-like and walking robots.
-
B.
Shigeo Nagashima
Shigeo Nagashima is a legendary Japanese baseball player and manager, widely regarded as one of the greatest figures in Nippon Professional Baseball history.
-
C.
Yasuo Fukuda
Yasuo Fukuda is a Japanese politician who served as Prime Minister of Japan from 2007 to 2008 and is a prominent member of the Liberal Democratic Party.
-
D.
Masanobu Takayanagi
Masanobu Takayanagi is a Japanese cinematographer known for his work on acclaimed films such as Silver Linings Playbook, Spotlight, and Warrior.
-
E.
Yoshikazu Yanagisawa
Yoshikazu Yanagisawa was a Japanese architect best known for designing Osaka’s iconic Osaka Aquarium Kaiyukan.
- 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: Jun-ichi Nishizawa Target entity description: Jun-ichi Nishizawa was a pioneering Japanese engineer and physicist often called the "father of Japanese microelectronics" for his foundational contributions to semiconductor and optoelectronic device technology.
-
A.
Shigeo Hirose
Shigeo Hirose is a pioneering Japanese roboticist renowned for his innovative work in robot mechanisms and design, particularly in snake-like and walking robots.
-
B.
Shigeo Nagashima
Shigeo Nagashima is a legendary Japanese baseball player and manager, widely regarded as one of the greatest figures in Nippon Professional Baseball history.
-
C.
Yasuo Fukuda
Yasuo Fukuda is a Japanese politician who served as Prime Minister of Japan from 2007 to 2008 and is a prominent member of the Liberal Democratic Party.
-
D.
Masanobu Takayanagi
Masanobu Takayanagi is a Japanese cinematographer known for his work on acclaimed films such as Silver Linings Playbook, Spotlight, and Warrior.
-
E.
Yoshikazu Yanagisawa
Yoshikazu Yanagisawa was a Japanese architect best known for designing Osaka’s iconic Osaka Aquarium Kaiyukan.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
engineer
ⓘ
human ⓘ inventor ⓘ physicist ⓘ university professor ⓘ |
| awardReceived |
IEEE Edison Medal
ⓘ
linked to:
Edison Medal
IEEE Jack A. Morton Award ⓘ Japan Prize ⓘ Order of Culture (Japan) ⓘ
linked to:
Order of Culture
Order of the Sacred Treasure ⓘ |
| birthDate | 1926-09-12 ⓘ |
| birthPlace |
Sendai, Miyagi Prefecture, Japan
ⓘ
linked to:
Sendai, Miyagi, Japan
|
| countryOfCitizenship | Japan ⓘ |
| deathDate | 2018-10-21 ⓘ |
| deathPlace |
Sendai, Miyagi Prefecture, Japan
ⓘ
linked to:
Sendai, Miyagi, Japan
|
| educatedAt | Tohoku University ⓘ |
| employer | Tohoku University ⓘ |
| era |
20th century
ⓘ
21st century ⓘ |
| fieldOfWork |
electronic engineering
ⓘ
optoelectronics ⓘ semiconductor physics ⓘ telecommunications engineering ⓘ |
| gender | male ⓘ |
| hasOccupation |
researcher
ⓘ
university teacher ⓘ |
| influenced |
development of modern microelectronics in Japan
ⓘ
development of optoelectronic communication technologies ⓘ |
| knownAs | father of Japanese microelectronics ⓘ |
| knownFor |
contributions to PIN diode development
ⓘ
contributions to laser diode technology ⓘ contributions to optical fiber communications ⓘ contributions to static induction transistor ⓘ pioneering work in optoelectronic devices ⓘ pioneering work in semiconductor devices ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| memberOf |
Institute of Electrical and Electronics Engineers
ⓘ
Japan Academy ⓘ |
| name | Jun-ichi Nishizawa ⓘ |
| nationality | Japanese ⓘ |
| nativeName | 西澤潤一 ⓘ |
| notableAchievement |
early proposals for optical fiber communication systems
ⓘ
proposed the PIN diode structure ⓘ proposed the static induction transistor concept ⓘ research on compound semiconductor devices ⓘ |
| positionHeld |
president of Tohoku University
ⓘ
professor at Tohoku University ⓘ |
| workLocation |
Sendai, Japan
ⓘ
linked to:
Sendai
|
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: Jun-ichi Nishizawa Description of subject: Jun-ichi Nishizawa was a pioneering Japanese engineer and physicist often called the "father of Japanese microelectronics" for his foundational contributions to semiconductor and optoelectronic device technology.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.