Japan's Genius Ranking
TOP 50

#1　Life & Medicine

Shinya Yamanaka

born 1962

Created iPSCs — any cell can be reset and reborn — and is now turning regenerative medicine into reality

Achievements

• Nobel Prize in Physiology or Medicine (2012) — induced pluripotent stem cells
• Director of CiRA, Kyoto University, leading clinical applications
• World-first iPSC transplants: cornea, heart muscle, Parkinson's

Books

• Kyokuteki no saki ni (Beyond the Twists)

Links

• X

#2　Physics & Chemistry

Takaaki Kajita

born 1959

Confirmed neutrino oscillation with Super-Kamiokande, redrawing the map of particle physics

Achievements

• Nobel Prize in Physics (2015) — discovery of neutrino oscillations
• Led the Super-Kamiokande experiment
• Drove the creation of the gravitational-wave telescope KAGRA

#3　Life & Medicine

Susumu Tonegawa

born 1939

Solved how antibodies achieve their diversity, then moved to the front line of memory research

Achievements

• Nobel Prize in Physiology or Medicine (1987) — genetic principle of antibody diversity
• Directed the Picower Institute at MIT, mapping memory circuits
• Pioneered direct experimental study of engrams

#4　Physics & Chemistry

Akira Yoshino

born 1948

Invented the lithium-ion battery — the power source of modern civilization, from phones to EVs

Achievements

• Nobel Prize in Chemistry (2019) — invention of the lithium-ion battery
• First mass production in 1991; now powers nearly every device
• Continues to shape the next energy society

#5　Life & Medicine

Tasuku Honjo

born 1942

Discovered PD-1, the immune system's brake — and a whole new way to treat cancer by releasing it

Achievements

• Nobel Prize in Physiology or Medicine (2018) — cancer immunotherapy via PD-1
• Commercialized as nivolumab (Opdivo), changing cancer care
• A symbol of how basic research saves lives

#6　Physics & Chemistry

Yasunori Nomura

born 1974

A world leader in multiverse and inflation theory, directing the Berkeley Center for Theoretical Physics

Achievements

• Professor at UC Berkeley; director of the Berkeley Center for Theoretical Physics
• Front-line theory of inflation, the multiverse and quantum gravity
• Widely known in Japan as a “genius of quantum mechanics”

#7　Physics & Chemistry

Syukuro Manabe

born 1931

First showed with numerical models that CO2 warms the Earth — the foundation of climate science

Achievements

• Nobel Prize in Physics (2021) — physical modelling of Earth's climate
• Pioneered atmosphere–ocean simulation in the 1960s
• Built the direct basis of today's IPCC climate projections

#8　Physics & Chemistry

Shuji Nakamura

born 1954

Achieved the “impossible” blue LED and changed the world's lighting forever

Achievements

• Nobel Prize in Physics (2014) — the efficient blue LED
• Built GaN semiconductor mass-production almost single-handedly
• Professor at UC Santa Barbara, researching next-generation semiconductors

#9　AI & Computing

Kunihiko Fukushima

born 1936

Invented the Neocognitron — the direct ancestor of convolutional neural networks, the eyes of modern AI

Achievements

• Neocognitron (1980) — precursor of the CNN
• Realized hierarchical visual processing decades before deep learning
• A quiet giant whom every history of AI must mention

#10　AI & Computing

Shun-ichi Amari

born 1936

Created information geometry, laying the mathematical foundation of neural networks decades early

Achievements

• Founder of information geometry — a shared language of machine learning
• Established learning rules and recurrent-network theory in the 1960s–70s
• B.J. Boltzmann Award (2022) and other honors

#11　Physics & Chemistry

Ryoji Noyori

born 1938

Established asymmetric catalysis — making molecules in a single handedness — and changed medicinal chemistry

Achievements

• Nobel Prize in Chemistry (2001) — asymmetric hydrogenation catalysis
• BINAP catalysts are used directly in industrial drug synthesis
• A leading advocate of green chemistry

#12　Life & Medicine

Shimon Sakaguchi

born 1951

Reframed immunity as something that also must stop — via regulatory T cells, rebuilding immunology

Achievements

• Discovery of regulatory T cells (1995) and their molecular basis (2003)
• Opened new therapeutic targets for autoimmunity, cancer and transplant
• A recurring name in Nobel predictions worldwide

#13　Life & Medicine

Kazutoshi Mori

born 1957

Solved how cells cope with misfolded proteins — the unfolded protein response

Achievements

• Elucidated the molecular machinery of the unfolded protein response
• Lasker Award (2014) among Nobel-level honors
• Foundation for understanding diabetes and neurodegeneration

#14　Physics & Chemistry

Hideo Hosono

born 1953

Started two materials revolutions by himself: IGZO oxide semiconductors and iron-based superconductors

Achievements

• Discovery of iron-based high-temperature superconductors (2006-08)
• IGZO oxide semiconductor — transformed displays in mass production
• Among the most influential materials scientists alive

#15　Physics & Chemistry

Susumu Kitagawa

born 1951

Built the world of porous materials (MOF/PCP) that soak up gases — the basis of carbon capture and storage

Achievements

• World pioneer of porous coordination polymers (MOF/PCP)
• Materials foundation for climate technology: gas separation and storage
• Recipient of multiple top international prizes

#16　Physics & Chemistry

Koichi Tanaka

born 1959

Won the Nobel as a corporate engineer, then kept working at the bench — a rarity among laureates

Achievements

• Nobel Prize in Chemistry (2002) — soft laser desorption ionization
• Made protein mass spectrometry possible, enabling early diagnosis
• Continues industrial research at Shimadzu

#17　Life & Medicine

Yoshihiro Kawaoka

born 1955

The world's top influenza researcher — studying “the next pandemic” before it arrives

Achievements

• Elucidated infection and mutation mechanisms of influenza viruses
• World authority on high-containment (BSL-4) virus research
• Lasker Award and more; feeds vaccine development directly

#18　Life & Medicine

Yusuke Nakamura

born 1952

Mapped Japanese genome variation at scale and built cancer genome medicine as a clinical reality

Achievements

• Pioneer of Japanese genome analysis and SNP markers
• Led clinical application of cancer genome profiling
• University of Chicago professor; NCRI leadership in Japan

#19　Mathematics

Shinichi Mochizuki

born 1961

Attacked the ABC conjecture with his own inter-universal Teichmüller theory — mathematics' most debated figure

Achievements

• Challenge to the ABC conjecture (2012) — one of number theory's biggest problems
• Constructed the inter-universal Teichmüller theory (IUT)
• Entered Princeton University at 16

#20　Mathematics

Shigefumi Mori

born 1951

Completed the minimal model program in dimension 3 — Japan's first Fields Medalist

Achievements

• Fields Medal (1990) — contributions to algebraic geometry
• Established the 3-dimensional minimal model program
• Professor at Kyoto University, training the next generation

#21　Mathematics

Kenji Fukaya

born 1956

Created the Fukaya category — a new language linking symplectic geometry and physics' mirror symmetry

Achievements

• The Fukaya category — a central object of symplectic geometry
• Theory of Gromov–Witten invariants
• Breakthrough Prize in Mathematics (2024)

Books

• Chōron-ron (On Abstraction)

#22　Mathematics

Masaki Kashiwara

born 1947

Built D-module theory and crystal bases — infrastructure connecting representation theory, geometry and physics

Achievements

• Establishment of D-module theory
• Discovery of crystal (global) bases — a dictionary for representation theory
• Chern Medal (2018) and many international honors

#23　Mathematics

Toshiyuki Kobayashi

born 1962

Opened “micro-local” analysis of representations, bridging discrete and continuous structures

Achievements

• Pioneer of micro-local analysis in representation theory
• Fundamental results on affine symmetric spaces
• Active in public outreach for mathematics

#24　Mathematics

Takeshi Saito

Quietly builds the deep theorems of arithmetic geometry that support the Langlands program

Achievements

• Foundational results on cohomology of schemes and function fields
• Important theorems on weights of L-functions
• Professor at Tokyo University, leading Japan's arithmetic geometry hub

#25　Culture & Arts

Sota Fujii

born 2002

Turned professional at 14 and became the youngest ever to hold every shogi title — a new era of the game

Achievements

• 29 consecutive wins at debut (all-time record); youngest title holder in history
• Complete domination of all eight major shogi titles
• Defined the standard style of the AI era in shogi

#26　Culture & Arts

Shohei Ohtani

born 1994

Achieved two-way play — hitting and pitching — a feat unseen for a century, at baseball's highest level

Achievements

• Established modern two-way play in Major League Baseball
• First-ever 50 home runs + 50 stolen bases season (2024)
• Sports' largest contract (2023) reshaped the market

#27　Culture & Arts

Shigeru Miyamoto

born 1952

Created Mario and Zelda, turning video games into a shared global language

Achievements

• Created Super Mario, The Legend of Zelda, Donkey Kong
• Built the very grammar of game design
• Honored far beyond games (Praemium Imperiale and more)

#28　Culture & Arts

Satoshi Tajiri

born 1965

Invented Pokémon from childhood bug-catching, creating one of the world's largest entertainment franchises

Achievements

• Created Pocket Monsters (1996) — a top-tier global IP
• Revolutionary design centered on “trading”
• The origin of a huge cultural phenomenon across anime, cards and film

#29　Culture & Arts

Yuji Horii

born 1954

Invented the JRPG itself with Dragon Quest

Achievements

• Dragon Quest (1986) — the origin of Japanese RPGs
• Set the standards of RPG save and progression design
• Former novelist turned game designer

#30　Culture & Arts

Hayao Miyazaki

born 1941

Raised animation from “children's fare” to art for all humanity

Achievements

• Two Academy Awards for Best Animated Feature
• Spirited Away held Japan's box-office record for years
• Co-founder of Studio Ghibli

#31　Culture & Arts

Eiichiro Oda

born 1975

Has serialized ONE PIECE for over 25 years — the best-selling manga by a single author in history

Achievements

• ONE PIECE — over 500 million copies, a world record
• Holds the record for the most copies of a manga by a single artist
• Guinness-certified record holder

#32　Culture & Arts

Hirokazu Kore-eda

born 1962

Keeps asking “what is family?” and carried Japanese cinema to the top at Cannes

Achievements

• Palme d'Or at Cannes (Shoplifters, 2018)
• Multiple international festival awards
• A distinct cinematic language rooted in documentary

#33　Culture & Arts

Joe Hisaishi

born 1950

Composer of Miyazaki's films and much more — the face of Japanese film music and classical performance

Achievements

• Scores for Studio Ghibli films and many others
• Active conductor and composer in classical music
• Japan's internationally best-known film composer

#34　Culture & Arts

Tadao Ando

born 1941

Learned architecture without a degree, won the Pritzker Prize, and locked light inside concrete

Achievements

• Pritzker Prize (1995) — architecture's Nobel
• Church of the Light, Row House Sumiyoshi and a new concrete language
• Self-taught master of architecture

Books

• Rensen Renpai (Losing Every Battle)

#35　Culture & Arts

Kengo Kuma

born 1954

“Erasing architecture” — from concrete to wood and small fragments, a new 21st-century architectural language

Achievements

• Japan National Stadium, SunnyHills and many international works
• International standard-bearer of reinterpreting traditional materials
• A leading voice of architecture's return to nature

#36　Culture & Arts

Haruki Murakami

born 1949

Turned Japanese literature into a world language; perennial Nobel candidate

Achievements

• Kafka on the Shore, 1Q84 and works translated into 50+ languages
• Franz Kafka Prize, Jerusalem Prize and other honors
• A recurring name in Nobel literature predictions

Books

• Kafka on the Shore

#37　AI & Computing

Yasunobu Nakamura

Implemented the first superconducting qubits — the first step toward quantum computers

Achievements

• Superconducting-circuit qubits (1999) — the dawn of quantum computing
• Team leader at RIKEN's quantum computer research
• Leads Japan's hub of quantum information physics

#38　AI & Computing

Daisuke Okanohara

Co-founded Preferred Networks, running at the front of Japan's deep-learning industry

Achievements

• Co-founder of Preferred Networks — Japan's flagship AI company
• Applied deep learning to autonomous driving, drugs and manufacturing
• Continues fundamental machine-learning research

#39　AI & Computing

Yoichi Ochiai

born 1987

Proposes “digital nature,” rewriting Japan's view of technology from the border of media art and science

Achievements

• Digital Nature — treating technology as an extension of nature
• Levitation and magic-like interaction research
• Professor at University of Tsukuba; media artist

Books

• Tekunorojī no setchi (Grounding Technology)

Links

• X

#40　AI & Computing

Masahiko Inami

“Superhuman sports” — redefining human ability with body-extending tech (invisibility cloak, shape-changing furniture)

Achievements

• Pioneer of augmented-body engineering and projection mapping
• World-famous for the optical camouflage “invisibility cloak”
• Professor at Tokyo University, advancing cybernics

#41　AI & Computing

Hiroshi Ishiguro

born 1963

Built his own android twin “Geminoid” and asks what a human is, using robots

Achievements

• World-leading creator of androids: Geminoid, Erica
• Contributed to cognitive science via engineering “humanness”
• Professor at Osaka University; ATR Hiroshi Ishiguro Laboratories

#42　AI & Computing

Takayuki Furuta

Leads Chiba Institute of Technology's future robotics center, shipping robots that work in disaster zones

Achievements

• Practical rescue robots (deployed at Fukushima Daiichi and elsewhere)
• Research on some of the world's fastest robots
• Built a lab where robots actually get made and deployed

#43　AI & Computing

Ikuo Takeuchi

born 1946

Inventor of Takeuchi's algorithm and a theorist who built Japan's computer-science foundations

Achievements

• Takeuchi's algorithm — a classic of computer science teaching
• Theoretical foundations of functional languages and graph reduction
• Professor emeritus at Tokyo University, mentor to generations

#44　AI & Computing

Yutaka Matsuo

For years the longest bridge between Japanese AI research and industry; central to Japan's AI strategy

Achievements

• President of the Japanese Society for Artificial Intelligence
• Deep-learning industrialization and large-model research
• Professor at Tokyo University

Books

• Jinkō chinō to ningen wa kyōshinka suru

Links

• X

#45　Mathematics

Katsuhiro Nishinari

Created “jamology” — the mathematics of traffic, crowds and ant trails, all with one model

Achievements

• Founder of jamology — the mathematics of flow
• Non-equilibrium statistical mechanics and cellular automata
• Professor at Tokyo University; advised crowd management for the Olympics

#46　AI & Computing

Nobuo Kawakami

born 1968

Founded Dwango, created Niconico, and has implemented Japanese internet culture from engineering to publishing

Achievements

• Founder of Dwango; creator of Niconico
• Chairman of KADOKAWA, spanning the content industry
• Engaged in education (KADOKAWA DWANGO educational institutions)

Books

• Dejitaru tekunorojī ga rikai dekiru to sekai ga dō mieru no ka

#47　AI & Computing

Yusuke Narita

born 1986

Brought causal inference and machine learning into Japanese-language discourse, creating a new style of economics

Achievements

• Assistant professor at Yale — causal inference and ML in economics
• Japan's most-watched young economist
• Part of a new generation of academic voices with Yasunori Nomura and others

#48　Physics & Chemistry

Soichi Noguchi

born 1975

Stayed on the Space Station three times, flying on Shuttle, Soyuz and SpaceX's Crew Dragon

Achievements

• Three vehicles: Discovery (STS-114), Soyuz, Crew Dragon
• The definitive photographer of Earth from orbit
• Now advancing the space industry after JAXA

#49　Physics & Chemistry

Koichi Wakata

born 1963

First Japanese commander of the Space Station; five spaceflights — the face of Japan in space

Achievements

• First Japanese commander of the ISS
• Five spaceflights across Shuttle, Soyuz and Dragon
• Former JAXA vice president; central to long-term space planning

#50　Culture & Arts

Yuta Iyama

born 1989

Held every go title simultaneously — the “seven-crowned” master still pushing human records in the AI era

Achievements

• Multiple simultaneous monopolies of all seven major go titles
• Continues to raise Japan's all-time title record
• A representative of Japan's intellectual game culture