Koichi Tanaka
E69464
Koichi Tanaka is a Japanese engineer and Nobel Prize–winning chemist renowned for his pioneering work in mass spectrometry, particularly soft laser desorption ionization.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Koichi Tanaka canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T424029 — 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: Koichi Tanaka Context triple: [Tohoku University, hasNotableAlumni, Koichi Tanaka]
-
A.
Minoru Ōta
Minoru Ōta was an Imperial Japanese Navy rear admiral who led the defense of the Oroku Peninsula during the Battle of Okinawa in World War II and became known for his final message praising the Okinawan people.
-
B.
Hideo Ohno
Hideo Ohno is a Japanese physicist renowned for his pioneering work in spintronics and semiconductor physics.
-
C.
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.
-
D.
Masataka Yoshida
Masataka Yoshida is a Japanese professional baseball outfielder known for his high-contact hitting and on-base skills, who starred in Nippon Professional Baseball before moving to Major League Baseball with the Boston Red Sox.
-
E.
Hirofumi Yoshimura
Hirofumi Yoshimura is a Japanese politician who serves as the governor of Osaka Prefecture and is a prominent figure in regional reform politics.
- 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: Koichi Tanaka Target entity description: Koichi Tanaka is a Japanese engineer and Nobel Prize–winning chemist renowned for his pioneering work in mass spectrometry, particularly soft laser desorption ionization.
-
A.
Minoru Ōta
Minoru Ōta was an Imperial Japanese Navy rear admiral who led the defense of the Oroku Peninsula during the Battle of Okinawa in World War II and became known for his final message praising the Okinawan people.
-
B.
Hideo Ohno
Hideo Ohno is a Japanese physicist renowned for his pioneering work in spintronics and semiconductor physics.
-
C.
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.
-
D.
Masataka Yoshida
Masataka Yoshida is a Japanese professional baseball outfielder known for his high-contact hitting and on-base skills, who starred in Nippon Professional Baseball before moving to Major League Baseball with the Boston Red Sox.
-
E.
Hirofumi Yoshimura
Hirofumi Yoshimura is a Japanese politician who serves as the governor of Osaka Prefecture and is a prominent figure in regional reform politics.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese scientist
ⓘ
chemist ⓘ engineer ⓘ human ⓘ |
| affiliation | Shimadzu Corporation ⓘ |
| areaOfInfluence |
bioanalytical chemistry
ⓘ
biotechnology ⓘ proteomics ⓘ |
| awardReceived |
Japan Academy Prize
ⓘ
Nobel Prize in Chemistry (through its scientists) ⓘ
surface form:
Nobel Prize in Chemistry
Nobel Prize in Chemistry (through its scientists) ⓘ
surface form:
Nobel Prize in Chemistry 2002
Person of Cultural Merit (Japan) ⓘ |
| countryOfBirth | Japan ⓘ |
| countryOfCitizenship | Japan ⓘ |
| employer | Shimadzu Corporation ⓘ |
| familyName | Tanaka ⓘ |
| fieldOfWork |
analytical chemistry
ⓘ
chemistry ⓘ mass spectrometry ⓘ |
| gender | male ⓘ |
| givenName | Koichi ⓘ |
| hasRole |
Nobel laureate in Chemistry
ⓘ
research engineer ⓘ |
| isAlive | true ⓘ |
| knownFor |
mass spectrometric analysis of biological macromolecules
ⓘ
soft laser desorption ionization ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| name | Koichi Tanaka self-link ⓘ |
| nationality | Japanese ⓘ |
| NobelPrizeCategory | Chemistry ⓘ |
| NobelPrizeYear | 2002 ⓘ |
| notableAchievement |
demonstration of soft laser desorption for large biomolecules
ⓘ
enabling mass spectrometric analysis of proteins without fragmentation ⓘ |
| notableConcept |
mass spectrometric analysis of biomolecules
ⓘ
soft laser desorption ⓘ |
| occupation |
chemist
ⓘ
engineer ⓘ inventor ⓘ |
| placeOfBirth | Toyama Prefecture ⓘ |
| reasonForAward | development of methods for identification and structure analyses of biological macromolecules ⓘ |
| sharesNobelPrizeWith |
John B. Fenn
ⓘ
Kurt Wüthrich ⓘ |
| workLocation | Kyoto ⓘ |
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: Koichi Tanaka Description of subject: Koichi Tanaka is a Japanese engineer and Nobel Prize–winning chemist renowned for his pioneering work in mass spectrometry, particularly soft laser desorption ionization.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Tohoku University