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Room of Japan · Science and technology

Nobel Prize winners in science born in Japan

In short

According to the Nobel Prize organization’s data, 26 people born in Japan have won a Nobel Prize in the sciences: 12 in physics, 8 in chemistry and 6 in physiology or medicine. The first was Hideki Yukawa in 1949, and the latest were Shimon Sakaguchi and Susumu Kitagawa in 2025.
Laureates born in Japan1949–2025
ノーベル賞Nobel Prizes in science
Physics
12 laureates
Chemistry
8 laureates
Physiology or Medicine
6 laureates
First
Hideki Yukawa, Physics, 1949
Latest
Shimon Sakaguchi and Susumu Kitagawa, 2025

Counted from the Nobel Prize organization’s data on October 6, 2026.

The 26 Nobel Prize winners in physics, chemistry, and physiology or medicine who were born in Japan, 1949–2025. Prize reasons are quoted from the Nobel Prize organization.
YearFieldLaureateBorn inPrize “for …”
1949PhysicsHideki YukawaTokyofor his prediction of the existence of mesons on the basis of theoretical work on nuclear forces
1965PhysicsSin-Itiro TomonagaKyotofor their fundamental work in quantum electrodynamics, with deep-ploughing consequences for the physics of elementary particles
1973PhysicsLeo EsakiOsakafor their experimental discoveries regarding tunneling phenomena in semiconductors and superconductors, respectively
1981ChemistryKenichi FukuiNarafor their theories, developed independently, concerning the course of chemical reactions
1987Physiology or MedicineSusumu TonegawaNagoyafor his discovery of the genetic principle for generation of antibody diversity
2000ChemistryHideki ShirakawaTokyofor the discovery and development of conductive polymers
2001ChemistryRyoji NoyoriKobefor their work on chirally catalysed hydrogenation reactions
2002ChemistryKoichi TanakaToyama Cityfor their development of soft desorption ionisation methods for mass spectrometric analyses of biological macromolecules
2002PhysicsMasatoshi KoshibaToyohashifor pioneering contributions to astrophysics, in particular for the detection of cosmic neutrinos
2008ChemistryOsamu ShimomuraKyotofor the discovery and development of the green fluorescent protein, GFP
2008PhysicsMakoto KobayashiNagoyafor the discovery of the origin of the broken symmetry which predicts the existence of at least three families of quarks in nature
2008PhysicsToshihide MaskawaNagoyafor the discovery of the origin of the broken symmetry which predicts the existence of at least three families of quarks in nature
2008PhysicsYoichiro NambuTokyofor the discovery of the mechanism of spontaneous broken symmetry in subatomic physics
2010ChemistryAkira SuzukiMukawafor palladium-catalyzed cross couplings in organic synthesis
2012Physiology or MedicineShinya YamanakaOsakafor the discovery that mature cells can be reprogrammed to become pluripotent
2014PhysicsHiroshi AmanoHamamatsufor the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources
2014PhysicsIsamu AkasakiChiranfor the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources
2014PhysicsShuji NakamuraIkatafor the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources
2015PhysicsTakaaki KajitaHigashimatsuyamafor the discovery of neutrino oscillations, which shows that neutrinos have mass
2015Physiology or MedicineSatoshi ŌmuraYamanashi Prefecturefor their discoveries concerning a novel therapy against infections caused by roundworm parasites
2016Physiology or MedicineYoshinori OhsumiFukuokafor his discoveries of mechanisms for autophagy
2018Physiology or MedicineTasuku HonjoKyotofor their discovery of cancer therapy by inhibition of negative immune regulation
2019ChemistryAkira YoshinoSuitafor the development of lithium-ion batteries
2021PhysicsSyukuro ManabeShingu, Ehimefor the physical modelling of Earth’s climate, quantifying variability and reliably predicting global warming
2025ChemistrySusumu KitagawaKyotofor the development of metal–organic frameworks
2025Physiology or MedicineShimon SakaguchiNagahama, Shigafor their discoveries concerning peripheral immune tolerance

The first in each field

Physics: Hideki Yukawa won in 1949, for predicting the existence of mesons from his theory of nuclear forces. He was the first person born in Japan to win a Nobel Prize.

Chemistry: Kenichi Fukui won in 1981, for his theory of the course of chemical reactions.

Physiology or Medicine: Susumu Tonegawa won in 1987, for discovering the genetic principle that produces the great variety of antibodies.

Years with several winners

In 2008, four people born in Japan won: Yoichiro Nambu, Makoto Kobayashi and Toshihide Maskawa in physics, for work on broken symmetry in particle physics, and Osamu Shimomura in chemistry, for the green fluorescent protein, GFP.

In 2014, Isamu Akasaki, Hiroshi Amano and Shuji Nakamura shared the physics prize for inventing efficient blue light-emitting diodes (LEDs), which made bright, energy-saving white light possible.

In 2025, Shimon Sakaguchi won in physiology or medicine, for discoveries about peripheral immune tolerance, and Susumu Kitagawa in chemistry, for developing metal–organic frameworks. The Japan Science and Technology Agency noted that this was the first time since 2015 that researchers from Japan won two science prizes in the same year.

Prizes you can see in daily life

Some prizes are for things used every day. Akira Yoshino shared the 2019 chemistry prize for developing the lithium-ion battery,.

Shinya Yamanaka shared the 2012 prize in physiology or medicine for discovering that mature cells can be reprogrammed to become pluripotent, that is, able to become many kinds of cells.

Syukuro Manabe shared the 2021 physics prize for the physical modelling of Earth’s climate, which made it possible to predict global warming reliably.

How this list counts

This page counts people whose place of birth is in Japan in the Nobel Prize organization’s data. Some of them had also become citizens of the United States.

Lists of “Japanese Nobel laureates” in Japan sometimes count differently. For example, Ei-ichi Negishi, who shared the 2010 chemistry prize with Akira Suzuki, was born in Changchun, China, so he is not in this table.

People born in Japan have also won Nobel Prizes outside the sciences: Yasunari Kawabata (1968), Kenzaburo Oe (1994) and Kazuo Ishiguro (2017) in literature, and Eisaku Sato (1974) for peace.

Think about it

There is no single right answer. Talking it over with someone at home is a good way to learn.

Did you know? — In 2015, Takaaki Kajita won the physics prize for showing that neutrinos have mass. He was born in Higashimatsuyama, Saitama.
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About this page
Laureates, years and prize reasons: NobelPrize.org, “All Nobel Prizes”, Nobel Prize API, laureates born in Japan (data as of October 6, 2026), “Ei-ichi Negishi: Facts”
2025: Science Portal (Japan Science and Technology Agency), on the 2025 prizes (Japanese)
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