Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (870,053 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 3
Ryozo Ooka
Building Engineering
Urban Engineering
Environmental Engineering
Metrics
H-Index
i10 Index
Citation
57
188
11,976
* Rankings
Ranking Based On Selection: 4
Teruyasu Mizoguchi
DFT simulation
Materials Informatics
EELS XAFS
Materials Design
Machine Learning
Metrics
H-Index
i10 Index
Citation
51
161
9,511
* Rankings
Ranking Based On Selection: 5
Kanji Ueda
Manufacturing
Complexity
Artificial Engineering
Emergence
Value Creation
Metrics
H-Index
i10 Index
Citation
41
107
7,071
* Rankings
Ranking Based On Selection: 6
Naomichi Hatano
Statistical Physics
Quantum Physics
Non-Hermitian Quantum Mechanics
Metrics
H-Index
i10 Index
Citation
39
105
8,206
* Rankings
Ranking Based On Selection: 8
Yoshiho Ikeuchi
Brain Development
RNA
Protein Synthesis
Signaling Pathway
Metrics
H-Index
i10 Index
Citation
37
54
4,226
* Rankings
Ranking Based On Selection: 9
Yusuke Sugano
Computer Vision
Human-Computer Interaction
Eye Tracking
Metrics
H-Index
i10 Index
Citation
36
52
7,644

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* Rankings
Ranking Based On Selection: 11
Yoshitaka Umeno
computational materials science
molecular dynamics
first-principles
strength of materials
multiphysics
Metrics
H-Index
i10 Index
Citation
28
55
2,392
* Rankings
Ranking Based On Selection: 12
Hirohiko Houjou
Physico-organic chemistry
Coordination chemistry
Computational chemistry
Metrics
H-Index
i10 Index
Citation
28
62
2,446
* Rankings
Ranking Based On Selection: 13
Hideki Kikumoto
Building Physics
Urban Environment
Environmental Fluid Dynamics
Inverse Analysis
Data Fusion
Metrics
H-Index
i10 Index
Citation
27
64
2,270
* Rankings
Ranking Based On Selection: 14
Kiyou Shibata
Materials Informatics
Transmission Electron Microscopy
Condensed-Matter Physics
Machine Learning
Data Analysis
Metrics
H-Index
i10 Index
Citation
26
31
3,066
* Rankings
Ranking Based On Selection: 19
Yusuke Yokota
Seafloor geodesy
Geodesy
Seismology
Marine acoustics
Metrics
H-Index
i10 Index
Citation
19
30
1,996
* Rankings
Ranking Based On Selection: 20
Wonjun Choi
Renewable energy systems
Inverse problem
Building physics
Probabilistic modeling
Metrics
H-Index
i10 Index
Citation
18
25
1,197
* Rankings
Ranking Based On Selection: 23
Wonseok Oh
building physics
thermal environment
thermoregulation
CFD
aerosol science
Metrics
H-Index
i10 Index
Citation
12
14
497
* Rankings
Ranking Based On Selection: 25
Yuuki Nishiyama
lifelogging
ubiquitous computing
human-computer interaction
behavior change
context-aware computing
Metrics
H-Index
i10 Index
Citation
10
10
362
Rankings
Ranking Based On Selection: 1
Harumi Yokokawa
Metrics
H-Index
i10 Index
Citation Counts
76
304
21,419
Rankings
Ranking Based On Selection: 2
Yoichi Sato
Metrics
H-Index
i10 Index
Citation Counts
67
189
16,699
Rankings
Ranking Based On Selection: 3
Ryozo Ooka
Metrics
H-Index
i10 Index
Citation Counts
57
188
11,976
Building Engineering
Urban Engineering
Environmental Engineering
Rankings
Ranking Based On Selection: 4
Teruyasu Mizoguchi
Metrics
H-Index
i10 Index
Citation Counts
51
161
9,511
DFT simulation
Materials Informatics
EELS XAFS
Materials Design
Machine Learning
Rankings
Ranking Based On Selection: 5
Kanji Ueda
Metrics
H-Index
i10 Index
Citation Counts
41
107
7,071
Manufacturing
Complexity
Artificial Engineering
Emergence
Value Creation
Rankings
Ranking Based On Selection: 6
Naomichi Hatano
Metrics
H-Index
i10 Index
Citation Counts
39
105
8,206
Statistical Physics
Quantum Physics
Non-Hermitian Quantum Mechanics
Rankings
Ranking Based On Selection: 8
Yoshiho Ikeuchi
Metrics
H-Index
i10 Index
Citation Counts
37
54
4,226
Rankings
Ranking Based On Selection: 9
Yusuke Sugano
Metrics
H-Index
i10 Index
Citation Counts
36
52
7,644
Rankings
Ranking Based On Selection: 10
Yukishige Kondo
Metrics
H-Index
i10 Index
Citation Counts
36
90
3,854

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Yoshitaka Umeno
Metrics
H-Index
i10 Index
Citation Counts
28
55
2,392
computational materials science
molecular dynamics
first-principles
strength of materials
multiphysics
Rankings
Ranking Based On Selection: 12
Hirohiko Houjou
Metrics
H-Index
i10 Index
Citation Counts
28
62
2,446
Physico-organic chemistry
Coordination chemistry
Computational chemistry
Rankings
Ranking Based On Selection: 13
Hideki Kikumoto
Metrics
H-Index
i10 Index
Citation Counts
27
64
2,270
Building Physics
Urban Environment
Environmental Fluid Dynamics
Inverse Analysis
Data Fusion
Rankings
Ranking Based On Selection: 14
Kiyou Shibata
Metrics
H-Index
i10 Index
Citation Counts
26
31
3,066
Materials Informatics
Transmission Electron Microscopy
Condensed-Matter Physics
Machine Learning
Data Analysis
Rankings
Ranking Based On Selection: 15
Toshihiro Maki
Metrics
H-Index
i10 Index
Citation Counts
25
60
1,814
Rankings
Ranking Based On Selection: 17
Takeshi Oishi
Metrics
H-Index
i10 Index
Citation Counts
21
37
1,729
Rankings
Ranking Based On Selection: 19
Yusuke Yokota
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,996
Rankings
Ranking Based On Selection: 20
Wonjun Choi
Metrics
H-Index
i10 Index
Citation Counts
18
25
1,197
Renewable energy systems
Inverse problem
Building physics
Probabilistic modeling
Rankings
Ranking Based On Selection: 21
Takahiko Moteki
Metrics
H-Index
i10 Index
Citation Counts
15
22
1,237
Rankings
Ranking Based On Selection: 22
Alexandre Cauquoin
Metrics
H-Index
i10 Index
Citation Counts
13
14
548
Rankings
Ranking Based On Selection: 23
Wonseok Oh
Metrics
H-Index
i10 Index
Citation Counts
12
14
497
building physics
thermal environment
thermoregulation
CFD
aerosol science
Rankings
Ranking Based On Selection: 25
Yuuki Nishiyama
Metrics
H-Index
i10 Index
Citation Counts
10
10
362
lifelogging
ubiquitous computing
human-computer interaction
behavior change
context-aware computing
Rankings
Ranking Based On Selection: 26
Yudai Honma
Metrics
H-Index
i10 Index
Citation Counts
7
5
253